8<->37
29<->38 20<->39
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						d969f7b4bc
					
				
							
								
								
									
										3
									
								
								test/run
									
									
									
									
									
								
							
							
						
						
									
										3
									
								
								test/run
									
									
									
									
									
								
							@ -13,7 +13,8 @@ badones=			# list of tests that failed
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# Print test welcome message
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clr
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echo "Running POSIX compliance test suite. There are 42 tests in total."
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echo "These tests may take more than 20 minutes, even on fast systems."
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echo "The last few tests may take up to 15 minutes each, even on fast"
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echo "systems."
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echo " "
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# Run all the tests, keeping track of who failed.
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		||||
							
								
								
									
										962
									
								
								test/test20.c
									
									
									
									
									
								
							
							
						
						
									
										962
									
								
								test/test20.c
									
									
									
									
									
								
							
										
											
												File diff suppressed because it is too large
												Load Diff
											
										
									
								
							
							
								
								
									
										788
									
								
								test/test29.c
									
									
									
									
									
								
							
							
						
						
									
										788
									
								
								test/test29.c
									
									
									
									
									
								
							@ -1,9 +1,16 @@
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/* Many of the tests require 1.6.n, n > 16, so we may as well assume that
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 * POSIX signals are implemented.
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 */
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#define SIGACTION
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/* test29: dup() dup2()		Author: Jan-Mark Wams (jms@cs.vu.nl) */
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/* test29: read(), write()	Author: Jan-Mark Wams (jms@cs.vu.nl) */
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/* The definition of ``dup2()'' is realy a big mess! For:
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**
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** (1) if fildes2 is less than zero or greater than {OPEN_MAX}
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**     errno has to set to [EBADF]. But if fildes2 equals {OPEN_MAX}
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**     errno has to be set to [EINVAL]. And ``fcntl(F_DUPFD...)'' always
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**     returns [EINVAL] if fildes2 is out of range!
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**
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** (2) if the number of file descriptors would exceed {OPEN_MAX}, or no
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**     file descriptors above fildes2 are available, errno has to be set
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**     to [EMFILE]. But this can never occur!
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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@ -15,27 +22,30 @@
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#include <limits.h>
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#include <errno.h>
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#include <time.h>
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#include <signal.h>
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#include <stdio.h>
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#define MAX_ERROR	4
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#define ITERATIONS      3
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#define BUF_SIZE 1024
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#define ITERATIONS     10
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#define System(cmd)	if (system(cmd) != 0) printf("``%s'' failed\n", cmd)
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#define Chdir(dir)	if (chdir(dir) != 0) printf("Can't goto %s\n", dir)
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#define Stat(a,b)	if (stat(a,b) != 0) printf("Can't stat %s\n", a)
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#define IS_CLOEXEC(fd)	((fcntl(fd, F_GETFD) & FD_CLOEXEC) == FD_CLOEXEC)
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#define SET_CLOEXEC(fd)	fcntl(fd, F_SETFD, FD_CLOEXEC)
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int errct = 0;
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int subtest = 1;
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int superuser;
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int signumber = 0;
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char MaxName[NAME_MAX + 1];	/* Name of maximum length */
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char MaxPath[PATH_MAX];		/* Same for path */
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char ToLongName[NAME_MAX + 2];	/* Name of maximum +1 length */
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char ToLongPath[PATH_MAX + 1];	/* Same for path, both too long */
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_PROTOTYPE(void main, (int argc, char *argv[]));
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_PROTOTYPE(void test29a, (void));
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_PROTOTYPE(void test29b, (void));
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_PROTOTYPE(void test29c, (void));
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_PROTOTYPE(void setsignumber, (int _signumber));
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_PROTOTYPE(void e, (int number));
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_PROTOTYPE(void quit, (void));
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@ -52,7 +62,6 @@ char *argv[];
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  System("rm -rf DIR_29; mkdir DIR_29");
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  Chdir("DIR_29");
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  superuser = (geteuid() == 0);
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  umask(0000);
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  for (i = 0; i < ITERATIONS; i++) {
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	if (m & 0001) test29a();
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@ -63,655 +72,146 @@ char *argv[];
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}
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void test29a()
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{				/* Try normal operation. */
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  int fd1;
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  struct stat st1, st2;
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  time_t time1;
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  char buf[BUF_SIZE];
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  int stat_loc;
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  int i, j;
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  int tube[2];
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{
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  int fd1, fd2, fd3, fd4, fd5;
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  struct flock flock;
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  subtest = 1;
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  /* Basic checking. */
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  if ((fd1 = dup(0)) != 3) e(1);
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  if ((fd2 = dup(0)) != 4) e(2);
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  if ((fd3 = dup(0)) != 5) e(3);
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  if ((fd4 = dup(0)) != 6) e(4);
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  if ((fd5 = dup(0)) != 7) e(5);
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  if (close(fd2) != 0) e(6);
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  if (close(fd4) != 0) e(7);
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  if ((fd2 = dup(0)) != 4) e(8);
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  if ((fd4 = dup(0)) != 6) e(9);
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  if (close(fd1) != 0) e(10);
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  if (close(fd3) != 0) e(11);
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  if (close(fd5) != 0) e(12);
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  if ((fd1 = dup(0)) != 3) e(13);
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  if ((fd3 = dup(0)) != 5) e(14);
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  if ((fd5 = dup(0)) != 7) e(15);
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  if (close(fd1) != 0) e(16);
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  if (close(fd2) != 0) e(17);
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  if (close(fd3) != 0) e(18);
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  if (close(fd4) != 0) e(19);
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  if (close(fd5) != 0) e(20);
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  /* FD_CLOEXEC should be cleared. */
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  if ((fd1 = dup(0)) != 3) e(21);
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  if (SET_CLOEXEC(fd1) == -1) e(22);
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  if (!IS_CLOEXEC(fd1)) e(23);
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  if ((fd2 = dup(fd1)) != 4) e(24);
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  if ((fd3 = dup(fd2)) != 5) e(25);
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  if (IS_CLOEXEC(fd2)) e(26);
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  if (IS_CLOEXEC(fd3)) e(27);
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  if (SET_CLOEXEC(fd2) == -1) e(28);
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  if (!IS_CLOEXEC(fd2)) e(29);
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  if (IS_CLOEXEC(fd3)) e(30);
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  if (close(fd1) != 0) e(31);
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  if (close(fd2) != 0) e(32);
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  if (close(fd3) != 0) e(33);
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  /* Locks should be shared, so we can lock again. */
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  System("echo 'Hallo' > file");
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  if ((fd1 = open("file", O_RDWR)) != 3) e(34);
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  flock.l_whence = SEEK_SET;
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  flock.l_start = 0;
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  flock.l_len = 10;
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  flock.l_type = F_WRLCK;
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  if (fcntl(fd1, F_SETLK, &flock) == -1) e(35);
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  if (fcntl(fd1, F_SETLK, &flock) == -1) e(36);
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  if ((fd2 = dup(fd1)) != 4) e(37);
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  if (fcntl(fd1, F_SETLK, &flock) == -1) e(38);
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  if (fcntl(fd1, F_GETLK, &flock) == -1) e(39);
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#if 0 /* XXX - see test7.c */
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  if (flock.l_type != F_WRLCK) e(40);
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  if (flock.l_pid != getpid()) e(41);
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#endif /* 0 */
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  flock.l_type = F_WRLCK;
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  if (fcntl(fd2, F_GETLK, &flock) == -1) e(42);
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#if 0 /* XXX - see test7.c */
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  if (flock.l_type != F_WRLCK) e(43);
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  if (flock.l_pid != getpid()) e(44);
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#endif /* 0 */
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  if (close(fd1) != 0) e(45);
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  if (close(fd2) != 0) e(46);
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  System("rm -rf ../DIR_29/*");
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  /* Let's open bar. */
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  if ((fd1 = open("bar", O_RDWR | O_CREAT, 0777)) != 3) e(1);
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  Stat("bar", &st1);
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  /* Writing nothing should not affect the file at all. */
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  if (write(fd1, "", 0) != 0) e(2);
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  Stat("bar", &st2);
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  if (st1.st_uid != st2.st_uid) e(3);
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  if (st1.st_gid != st2.st_gid) e(4);	/* should be same */
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  if (st1.st_mode != st2.st_mode) e(5);
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  if (st1.st_size != st2.st_size) e(6);
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  if (st1.st_nlink != st2.st_nlink) e(7);
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  if (st1.st_mtime != st2.st_mtime) e(8);
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  if (st1.st_ctime != st2.st_ctime) e(9);
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  if (st1.st_atime != st2.st_atime) e(10);
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  /* A write should update some status fields. */
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  time(&time1);
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  while (time1 >= time((time_t *)0))
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	;
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  if (write(fd1, "foo", 4) != 4) e(11);
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  Stat("bar", &st2);
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  if (st1.st_mode != st2.st_mode) e(12);
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  if (st1.st_size >= st2.st_size) e(13);
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  if ((off_t) 4 != st2.st_size) e(14);
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  if (st1.st_nlink != st2.st_nlink) e(15);
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  if (st1.st_mtime >= st2.st_mtime) e(16);
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  if (st1.st_ctime >= st2.st_ctime) e(17);
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  if (st1.st_atime != st2.st_atime) e(18);
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  /* Lseeks should not change the file status. */
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  if (lseek(fd1, (off_t) - 2, SEEK_END) != 2) e(19);
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  Stat("bar", &st1);
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  if (st1.st_mode != st2.st_mode) e(20);
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  if (st1.st_size != st2.st_size) e(21);
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  if (st1.st_nlink != st2.st_nlink) e(22);
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  if (st1.st_mtime != st2.st_mtime) e(23);
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  if (st1.st_ctime != st2.st_ctime) e(24);
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  if (st1.st_atime != st2.st_atime) e(25);
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  /* Writing should start at the current (2) position. */
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  if (write(fd1, "foo", 4) != 4) e(26);
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  Stat("bar", &st2);
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  if (st1.st_mode != st2.st_mode) e(27);
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  if (st1.st_size >= st2.st_size) e(28);
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  if ((off_t) 6 != st2.st_size) e(29);
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  if (st1.st_nlink != st2.st_nlink) e(30);
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  if (st1.st_mtime > st2.st_mtime) e(31);
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  if (st1.st_ctime > st2.st_ctime) e(32);
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  if (st1.st_atime != st2.st_atime) e(33);
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  /* A read of zero bytes should not affect anything. */
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  if (read(fd1, buf, 0) != 0) e(34);
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  Stat("bar", &st1);
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  if (st1.st_uid != st2.st_uid) e(35);
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  if (st1.st_gid != st2.st_gid) e(36);	/* should be same */
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  if (st1.st_mode != st2.st_mode) e(37);
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		||||
  if (st1.st_size != st2.st_size) e(38);
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		||||
  if (st1.st_nlink != st2.st_nlink) e(39);
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		||||
  if (st1.st_mtime != st2.st_mtime) e(40);
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		||||
  if (st1.st_ctime != st2.st_ctime) e(41);
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		||||
  if (st1.st_atime != st2.st_atime) e(42);
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		||||
 | 
			
		||||
  /* The file now should contain ``fofoo\0'' Let's check that. */
 | 
			
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  if (lseek(fd1, (off_t) 0, SEEK_SET) != 0) e(43);
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  if (read(fd1, buf, BUF_SIZE) != 6) e(44);
 | 
			
		||||
  if (strcmp(buf, "fofoo") != 0) e(45);
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 | 
			
		||||
  /* Only the Access Time should be updated. */
 | 
			
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  Stat("bar", &st2);
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  if (st1.st_mtime != st2.st_mtime) e(46);
 | 
			
		||||
  if (st1.st_ctime != st2.st_ctime) e(47);
 | 
			
		||||
  if (st1.st_atime >= st2.st_atime) e(48);
 | 
			
		||||
 | 
			
		||||
  /* A read of zero bytes should do nothing even at the end of the file. */
 | 
			
		||||
  time(&time1);
 | 
			
		||||
  while (time1 >= time((time_t *)0))
 | 
			
		||||
	;
 | 
			
		||||
  if (read(fd1, buf, 0) != 0) e(49);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_size != st2.st_size) e(50);
 | 
			
		||||
  if (st1.st_mtime != st2.st_mtime) e(51);
 | 
			
		||||
  if (st1.st_ctime != st2.st_ctime) e(52);
 | 
			
		||||
  if (st1.st_atime != st2.st_atime) e(53);
 | 
			
		||||
 | 
			
		||||
  /* Reading should be done from the current offset. */
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(54);
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(55);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 4) e(56);
 | 
			
		||||
  if (strcmp(buf, "foo") != 0) e(57);
 | 
			
		||||
 | 
			
		||||
  /* Reading should effect the current file position. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(58);
 | 
			
		||||
  if (read(fd1, buf, 1) != 1) e(59);
 | 
			
		||||
  if (*buf != 'f') e(60);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 3) e(61);
 | 
			
		||||
  if (read(fd1, buf, 1) != 1) e(62);
 | 
			
		||||
  if (*buf != 'o') e(63);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 4) e(64);
 | 
			
		||||
  if (read(fd1, buf, 1) != 1) e(65);
 | 
			
		||||
  if (*buf != 'o') e(66);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 5) e(67);
 | 
			
		||||
  if (read(fd1, buf, 1) != 1) e(68);
 | 
			
		||||
  if (*buf != '\0') e(69);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(70);
 | 
			
		||||
 | 
			
		||||
  /* Read's at EOF should return 0. */
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(71);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(72);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(73);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(74);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(75);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(76);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(77);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(78);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(79);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(80);
 | 
			
		||||
 | 
			
		||||
  /* Writing should not always change the file size. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(81);
 | 
			
		||||
  if (write(fd1, "ba", 2) != 2) e(82);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 4) e(83);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_size != 6) e(84);
 | 
			
		||||
 | 
			
		||||
  /* Kill the \0 at the end. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 5, SEEK_SET) != 5) e(85);
 | 
			
		||||
  if (write(fd1, "x", 1) != 1) e(86);
 | 
			
		||||
 | 
			
		||||
  /* And close the bar. */
 | 
			
		||||
  if (close(fd1) != 0) e(87);
 | 
			
		||||
 | 
			
		||||
  /* Try some stuff with O_APPEND. Bar contains ``fobaox'' */
 | 
			
		||||
  if ((fd1 = open("bar", O_RDWR | O_APPEND)) != 3) e(88);
 | 
			
		||||
 | 
			
		||||
  /* No matter what the file position is. Writes should append. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(89);
 | 
			
		||||
  if (write(fd1, "y", 1) != 1) e(90);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_size != (off_t) 7) e(91);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 7) e(92);
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(93);
 | 
			
		||||
  if (write(fd1, "z", 2) != 2) e(94);
 | 
			
		||||
 | 
			
		||||
  /* The file should contain ``fobaoxyz\0'' == 9 chars long. */
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_size != (off_t) 9) e(95);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 9) e(96);
 | 
			
		||||
 | 
			
		||||
  /* Reading on a O_APPEND flag should be from the current offset. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_SET) != 0) e(97);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 9) e(98);
 | 
			
		||||
  if (strcmp(buf, "fobaoxyz") != 0) e(99);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 9) e(100);
 | 
			
		||||
 | 
			
		||||
  if (close(fd1) != 0) e(101);
 | 
			
		||||
 | 
			
		||||
  /* Let's test fifo writes. First blocking. */
 | 
			
		||||
  if (mkfifo("fifo", 0777) != 0) e(102);
 | 
			
		||||
 | 
			
		||||
  /* Read from fifo but no writer. */
 | 
			
		||||
  System("rm -rf /tmp/sema.29a");
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if ((fd1 = open("fifo", O_RDONLY)) != 3) e(103);
 | 
			
		||||
	system("> /tmp/sema.29a");
 | 
			
		||||
	system("while test -f /tmp/sema.29a; do sleep 1; done");
 | 
			
		||||
errno =0;
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(104);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(105);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(106);
 | 
			
		||||
	if (close(fd1) != 0) e(107);
 | 
			
		||||
	exit(0);
 | 
			
		||||
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd1 = open("fifo", O_WRONLY)) != 3) e(108);
 | 
			
		||||
	while (stat("/tmp/sema.29a", &st1) != 0) sleep(1);
 | 
			
		||||
	if (close(fd1) != 0) e(109);
 | 
			
		||||
	unlink("/tmp/sema.29a");
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(110);
 | 
			
		||||
	if (stat_loc != 0) e(111);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Read from fifo should wait for writer. */
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if ((fd1 = open("fifo", O_RDONLY)) != 3) e(112);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 10) e(113);
 | 
			
		||||
	if (strcmp(buf, "Hi reader") != 0) e(114);
 | 
			
		||||
	if (close(fd1) != 0) e(115);
 | 
			
		||||
	exit(0);
 | 
			
		||||
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd1 = open("fifo", O_WRONLY)) != 3) e(116);
 | 
			
		||||
	sleep(1);
 | 
			
		||||
	if (write(fd1, "Hi reader", 10) != 10) e(117);
 | 
			
		||||
	if (close(fd1) != 0) e(118);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(119);
 | 
			
		||||
	if (stat_loc != 0) e(120);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Read from fifo should wait for all writers to close. */
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	switch (fork()) {
 | 
			
		||||
	    case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
	    case 0:
 | 
			
		||||
		alarm(20);
 | 
			
		||||
		if ((fd1 = open("fifo", O_WRONLY)) != 3) e(121);
 | 
			
		||||
		if (close(fd1) != 0) e(122);
 | 
			
		||||
		exit(0);
 | 
			
		||||
	    default:
 | 
			
		||||
		if ((fd1 = open("fifo", O_WRONLY)) != 3) e(123);
 | 
			
		||||
		sleep(1);
 | 
			
		||||
		if (close(fd1) != 0) e(124);
 | 
			
		||||
		if (wait(&stat_loc) == -1) e(125);
 | 
			
		||||
		if (stat_loc != 0) e(126);	/* Alarm? */
 | 
			
		||||
	}
 | 
			
		||||
	exit(stat_loc);
 | 
			
		||||
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd1 = open("fifo", O_RDONLY)) != 3) e(127);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(128);
 | 
			
		||||
	if (close(fd1) != 0) e(129);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(130);
 | 
			
		||||
	if (stat_loc != 0) e(131);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* PIPE_BUF has to have a nice value. */
 | 
			
		||||
  if (PIPE_BUF < 5) e(132);
 | 
			
		||||
  if (BUF_SIZE < 1000) e(133);
 | 
			
		||||
 | 
			
		||||
  /* Writes of blocks smaller than PIPE_BUF should be atomic. */
 | 
			
		||||
  System("rm -rf /tmp/sema.29b;> /tmp/sema.29b");
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	switch (fork()) {
 | 
			
		||||
	    case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
	    case 0:
 | 
			
		||||
		alarm(20);
 | 
			
		||||
		if ((fd1 = open("fifo", O_WRONLY)) != 3) e(134);
 | 
			
		||||
		for (i = 0; i < 100; i++) write(fd1, "1234 ", 5);
 | 
			
		||||
		system("while test -f /tmp/sema.29b; do sleep 1; done");
 | 
			
		||||
		if (close(fd1) != 0) e(135);
 | 
			
		||||
		exit(0);
 | 
			
		||||
 | 
			
		||||
	    default:
 | 
			
		||||
		if ((fd1 = open("fifo", O_WRONLY)) != 3) e(136);
 | 
			
		||||
		for (i = 0; i < 100; i++) write(fd1, "1234 ", 5);
 | 
			
		||||
		while (stat("/tmp/sema.29b", &st1) == 0) sleep(1);
 | 
			
		||||
		if (close(fd1) != 0) e(137);
 | 
			
		||||
		if (wait(&stat_loc) == -1) e(138);
 | 
			
		||||
		if (stat_loc != 0) e(139);	/* Alarm? */
 | 
			
		||||
	}
 | 
			
		||||
	exit(stat_loc);
 | 
			
		||||
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd1 = open("fifo", O_RDONLY)) != 3) e(140);
 | 
			
		||||
	i = 0;
 | 
			
		||||
	memset(buf, '\0', BUF_SIZE);
 | 
			
		||||
 | 
			
		||||
	/* Read buffer full or till EOF. */
 | 
			
		||||
	do {
 | 
			
		||||
		j = read(fd1, buf + i, BUF_SIZE - i);
 | 
			
		||||
		if (j > 0) {
 | 
			
		||||
			if (j % 5 != 0) e(141);
 | 
			
		||||
			i += j;
 | 
			
		||||
		}
 | 
			
		||||
	} while (j > 0 && i < 1000);
 | 
			
		||||
 | 
			
		||||
	/* Signal the children to close write ends. This should not be */
 | 
			
		||||
	/* Necessary. But due to a bug in 1.16.6 this is necessary. */
 | 
			
		||||
	unlink("/tmp/sema.29b");
 | 
			
		||||
	if (j < 0) e(142);
 | 
			
		||||
	if (i != 1000) e(143);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(144);
 | 
			
		||||
	if (stat_loc != 0) e(145);	/* Alarm? */
 | 
			
		||||
 | 
			
		||||
	/* Check 200 times 1234. */
 | 
			
		||||
	for (i = 0; i < 200; i++)
 | 
			
		||||
		if (strncmp(buf + (i * 5), "1234 ", 5) != 0) break;
 | 
			
		||||
	if (i != 200) e(146);
 | 
			
		||||
	if (buf[1000] != '\0') e(147);
 | 
			
		||||
	if (buf[1005] != '\0') e(148);
 | 
			
		||||
	if (buf[1010] != '\0') e(149);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(150);
 | 
			
		||||
	if (close(fd1) != 0) e(151);
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Read from pipe should wait for writer. */
 | 
			
		||||
  if (pipe(tube) != 0) e(152);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if (close(tube[1]) != 0) e(153);
 | 
			
		||||
	if (read(tube[0], buf, BUF_SIZE) != 10) e(154);
 | 
			
		||||
	if (strcmp(buf, "Hi reader") != 0) e(155);
 | 
			
		||||
	if (close(tube[0]) != 0) e(156);
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	if (close(tube[0]) != 0) e(157);
 | 
			
		||||
	sleep(1);
 | 
			
		||||
	if (write(tube[1], "Hi reader", 10) != 10) e(158);
 | 
			
		||||
	if (close(tube[1]) != 0) e(159);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(160);
 | 
			
		||||
	if (stat_loc != 0) e(161);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Read from pipe should wait for all writers to close. */
 | 
			
		||||
  if (pipe(tube) != 0) e(162);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if (close(tube[0]) != 0) e(163);
 | 
			
		||||
	switch (fork()) {
 | 
			
		||||
	    case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
	    case 0:
 | 
			
		||||
		alarm(20);
 | 
			
		||||
		if (close(tube[1]) != 0) e(164);
 | 
			
		||||
		exit(0);
 | 
			
		||||
	    default:
 | 
			
		||||
		sleep(1);
 | 
			
		||||
		if (close(tube[1]) != 0) e(165);
 | 
			
		||||
		if (wait(&stat_loc) == -1) e(166);
 | 
			
		||||
		if (stat_loc != 0) e(167);	/* Alarm? */
 | 
			
		||||
	}
 | 
			
		||||
	exit(stat_loc);
 | 
			
		||||
      default:
 | 
			
		||||
	if (close(tube[1]) != 0) e(168);
 | 
			
		||||
	if (read(tube[0], buf, BUF_SIZE) != 0) e(169);
 | 
			
		||||
	if (close(tube[0]) != 0) e(170);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(171);
 | 
			
		||||
	if (stat_loc != 0) e(172);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Writes of blocks smaller than PIPE_BUF should be atomic. */
 | 
			
		||||
  System("rm -rf /tmp/sema.29c;> /tmp/sema.29c");
 | 
			
		||||
  if (pipe(tube) != 0) e(173);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if (close(tube[0]) != 0) e(174);
 | 
			
		||||
	switch (fork()) {
 | 
			
		||||
	    case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
	    case 0:
 | 
			
		||||
		alarm(20);
 | 
			
		||||
		for (i = 0; i < 100; i++) write(tube[1], "1234 ", 5);
 | 
			
		||||
		system("while test -f /tmp/sema.29c; do sleep 1; done");
 | 
			
		||||
		if (close(tube[1]) != 0) e(175);
 | 
			
		||||
		exit(0);
 | 
			
		||||
	    default:
 | 
			
		||||
		for (i = 0; i < 100; i++) write(tube[1], "1234 ", 5);
 | 
			
		||||
		while (stat("/tmp/sema.29c", &st1) == 0) sleep(1);
 | 
			
		||||
		if (close(tube[1]) != 0) e(176);
 | 
			
		||||
		if (wait(&stat_loc) == -1) e(177);
 | 
			
		||||
		if (stat_loc != 0) e(178);	/* Alarm? */
 | 
			
		||||
	}
 | 
			
		||||
	exit(stat_loc);
 | 
			
		||||
      default:
 | 
			
		||||
	i = 0;
 | 
			
		||||
	if (close(tube[1]) != 0) e(179);
 | 
			
		||||
	memset(buf, '\0', BUF_SIZE);
 | 
			
		||||
	do {
 | 
			
		||||
		j = read(tube[0], buf + i, BUF_SIZE - i);
 | 
			
		||||
		if (j > 0) {
 | 
			
		||||
			if (j % 5 != 0) e(180);
 | 
			
		||||
			i += j;
 | 
			
		||||
		} else
 | 
			
		||||
			break;	/* EOF seen. */
 | 
			
		||||
	} while (i < 1000);
 | 
			
		||||
	unlink("/tmp/sema.29c");
 | 
			
		||||
	if (j < 0) e(181);
 | 
			
		||||
	if (i != 1000) e(182);
 | 
			
		||||
	if (close(tube[0]) != 0) e(183);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(184);
 | 
			
		||||
	if (stat_loc != 0) e(185);	/* Alarm? */
 | 
			
		||||
 | 
			
		||||
	/* Check 200 times 1234. */
 | 
			
		||||
	for (i = 0; i < 200; i++)
 | 
			
		||||
		if (strncmp(buf + (i * 5), "1234 ", 5) != 0) break;
 | 
			
		||||
	if (i != 200) e(186);
 | 
			
		||||
  }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void test29b()
 | 
			
		||||
{
 | 
			
		||||
  int i, fd, stat_loc;
 | 
			
		||||
  char buf[BUF_SIZE];
 | 
			
		||||
  char buf2[BUF_SIZE];
 | 
			
		||||
  struct stat st;
 | 
			
		||||
  int fd;
 | 
			
		||||
  char buf[32];
 | 
			
		||||
 | 
			
		||||
  subtest = 2;
 | 
			
		||||
 | 
			
		||||
  /* Test file called ``file''. */
 | 
			
		||||
  System("echo 'Hallo!' > file");
 | 
			
		||||
 | 
			
		||||
  /* Check dup2() call with the same fds. Should have no effect. */
 | 
			
		||||
  if ((fd = open("file", O_RDONLY)) != 3) e(1);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(2);
 | 
			
		||||
  if (strncmp(buf, "Ha", 2) != 0) e(3);
 | 
			
		||||
  if (dup2(fd, fd) != fd) e(4);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(5);
 | 
			
		||||
  if (strncmp(buf, "ll", 2) != 0) e(6);
 | 
			
		||||
  if (dup2(fd, fd) != fd) e(7);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(8);
 | 
			
		||||
  if (strncmp(buf, "o!", 2) != 0) e(9);
 | 
			
		||||
  if (close(fd) != 0) e(10);
 | 
			
		||||
 | 
			
		||||
  /* If dup2() call fails, the fildes2 argument has to stay open. */
 | 
			
		||||
  if ((fd = open("file", O_RDONLY)) != 3) e(11);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(12);
 | 
			
		||||
  if (strncmp(buf, "Ha", 2) != 0) e(13);
 | 
			
		||||
  if (dup2(OPEN_MAX + 3, fd) != -1) e(14);
 | 
			
		||||
  if (errno != EBADF) e(15);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(16);
 | 
			
		||||
  if (strncmp(buf, "ll", 2) != 0) e(17);
 | 
			
		||||
  if (dup2(-4, fd) != -1) e(18);
 | 
			
		||||
  if (errno != EBADF) e(19);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(20);
 | 
			
		||||
  if (strncmp(buf, "o!", 2) != 0) e(21);
 | 
			
		||||
  if (close(fd) != 0) e(22);
 | 
			
		||||
 | 
			
		||||
  System("rm -rf ../DIR_29/*");
 | 
			
		||||
 | 
			
		||||
  /* Lets try sequential writes. */
 | 
			
		||||
  system("rm -rf /tmp/sema.29d");
 | 
			
		||||
  System("> testing");
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if ((fd = open("testing", O_WRONLY | O_APPEND)) != 3) e(1);
 | 
			
		||||
	if (write(fd, "one ", 4) != 4) e(2);
 | 
			
		||||
	if (close(fd) != 0) e(3);
 | 
			
		||||
	system("> /tmp/sema.29d");
 | 
			
		||||
	system("while test -f /tmp/sema.29d; do sleep 1; done");
 | 
			
		||||
	if ((fd = open("testing", O_WRONLY | O_APPEND)) != 3) e(4);
 | 
			
		||||
	if (write(fd, "three ", 6) != 6) e(5);
 | 
			
		||||
	if (close(fd) != 0) e(6);
 | 
			
		||||
	system("> /tmp/sema.29d");
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	while (stat("/tmp/sema.29d", &st) != 0) sleep(1);
 | 
			
		||||
	if ((fd = open("testing", O_WRONLY | O_APPEND)) != 3) e(7);
 | 
			
		||||
	if (write(fd, "two ", 4) != 4) e(8);
 | 
			
		||||
	if (close(fd) != 0) e(9);
 | 
			
		||||
	unlink("/tmp/sema.29d");
 | 
			
		||||
	while (stat("/tmp/sema.29d", &st) != 0) sleep(1);
 | 
			
		||||
	if ((fd = open("testing", O_WRONLY | O_APPEND)) != 3) e(10);
 | 
			
		||||
	if (write(fd, "four", 5) != 5) e(11);
 | 
			
		||||
	if (close(fd) != 0) e(12);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(13);
 | 
			
		||||
	if (stat_loc != 0) e(14);	/* The alarm went off? */
 | 
			
		||||
	unlink("/tmp/sema.29d");
 | 
			
		||||
  }
 | 
			
		||||
  if ((fd = open("testing", O_RDONLY)) != 3) e(15);
 | 
			
		||||
  if (read(fd, buf, BUF_SIZE) != 19) e(16);
 | 
			
		||||
  if (strcmp(buf, "one two three four") != 0) e(17);
 | 
			
		||||
  if (close(fd) != 0) e(18);
 | 
			
		||||
 | 
			
		||||
  /* Non written bytes in regular files should be zero. */
 | 
			
		||||
  memset(buf2, '\0', BUF_SIZE);
 | 
			
		||||
  if ((fd = open("bigfile", O_RDWR | O_CREAT, 0644)) != 3) e(19);
 | 
			
		||||
  if (lseek(fd, (off_t) 102400, SEEK_SET) != (off_t) 102400L) e(20);
 | 
			
		||||
  if (read(fd, buf, BUF_SIZE) != 0) e(21);
 | 
			
		||||
  if (write(fd, ".", 1) != 1) e(22);
 | 
			
		||||
  Stat("bigfile", &st);
 | 
			
		||||
  if (st.st_size != (off_t) 102401) e(23);
 | 
			
		||||
  if (lseek(fd, (off_t) 0, SEEK_SET) != 0) e(24);
 | 
			
		||||
  for (i = 0; i < 102400 / BUF_SIZE; i++) {
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != BUF_SIZE) e(25);
 | 
			
		||||
	if (memcmp(buf, buf2, BUF_SIZE) != 0) e(26);
 | 
			
		||||
  }
 | 
			
		||||
  if (close(fd) != 0) e(27);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void test29c()
 | 
			
		||||
{				/* Test correct error behavior. */
 | 
			
		||||
  char buf[BUF_SIZE];
 | 
			
		||||
  int fd, tube[2], stat_loc;
 | 
			
		||||
  struct stat st;
 | 
			
		||||
  pid_t pid;
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
  struct sigaction act, oact;
 | 
			
		||||
#else
 | 
			
		||||
#if _ANSI
 | 
			
		||||
  void (*oldfunc) (int);
 | 
			
		||||
#else
 | 
			
		||||
  void (*oldfunc) ();
 | 
			
		||||
#endif
 | 
			
		||||
#endif
 | 
			
		||||
{
 | 
			
		||||
  int i;
 | 
			
		||||
 | 
			
		||||
  subtest = 3;
 | 
			
		||||
 | 
			
		||||
  /* Check bad arguments to dup() and dup2(). */
 | 
			
		||||
  for (i = -OPEN_MAX; i < OPEN_MAX * 2; i++) {
 | 
			
		||||
 | 
			
		||||
	/* ``i'' is a valid and open fd. */
 | 
			
		||||
	if (i >= 0 && i < 3) continue;
 | 
			
		||||
 | 
			
		||||
	/* If ``i'' is a valid fd it is not open. */
 | 
			
		||||
	if (dup(i) != -1) e(1);
 | 
			
		||||
	if (errno != EBADF) e(2);
 | 
			
		||||
 | 
			
		||||
	/* ``i'' Is OPEN_MAX. */
 | 
			
		||||
	if (i == OPEN_MAX) {
 | 
			
		||||
		if (dup2(0, i) != -1) e(3);
 | 
			
		||||
		if (errno != EINVAL) e(4);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	/* ``i'' Is out of range. */
 | 
			
		||||
	if (i < 0 || i > OPEN_MAX) {
 | 
			
		||||
		if (dup2(0, i) != -1) e(5);
 | 
			
		||||
		if (errno != EBADF) e(6);
 | 
			
		||||
	}
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  System("rm -rf ../DIR_29/*");
 | 
			
		||||
 | 
			
		||||
  /* To test if writing processes on closed pipes are signumbered. */
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
  act.sa_handler = setsignumber;
 | 
			
		||||
  sigemptyset(&act.sa_mask);
 | 
			
		||||
  act.sa_flags = 0;
 | 
			
		||||
  if (sigaction(SIGPIPE, &act, &oact) != 0) e(1);
 | 
			
		||||
#else
 | 
			
		||||
  oldfunc = signal(SIGPIPE, setsignumber);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
  /* Non valid file descriptors should be an error. */
 | 
			
		||||
  for (fd = -111; fd < 0; fd++) {
 | 
			
		||||
	errno = 0;
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(2);
 | 
			
		||||
	if (errno != EBADF) e(3);
 | 
			
		||||
  }
 | 
			
		||||
  for (fd = 3; fd < 111; fd++) {
 | 
			
		||||
	errno = 0;
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(4);
 | 
			
		||||
	if (errno != EBADF) e(5);
 | 
			
		||||
  }
 | 
			
		||||
  for (fd = -111; fd < 0; fd++) {
 | 
			
		||||
	errno = 0;
 | 
			
		||||
	if (write(fd, buf, BUF_SIZE) != -1) e(6);
 | 
			
		||||
	if (errno != EBADF) e(7);
 | 
			
		||||
  }
 | 
			
		||||
  for (fd = 3; fd < 111; fd++) {
 | 
			
		||||
	errno = 0;
 | 
			
		||||
	if (write(fd, buf, BUF_SIZE) != -1) e(8);
 | 
			
		||||
	if (errno != EBADF) e(9);
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Writing a pipe with no readers should trigger SIGPIPE. */
 | 
			
		||||
  if (pipe(tube) != 0) e(10);
 | 
			
		||||
  close(tube[0]);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	signumber = 0;
 | 
			
		||||
	if (write(tube[1], buf, BUF_SIZE) != -1) e(11);
 | 
			
		||||
	if (errno != EPIPE) e(12);
 | 
			
		||||
	if (signumber != SIGPIPE) e(13);
 | 
			
		||||
	if (close(tube[1]) != 0) e(14);
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	close(tube[1]);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(15);
 | 
			
		||||
	if (stat_loc != 0) e(16);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Writing a fifo with no readers should trigger SIGPIPE. */
 | 
			
		||||
  System("> /tmp/sema.29e");
 | 
			
		||||
  if (mkfifo("fifo", 0666) != 0) e(17);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if ((fd = open("fifo", O_WRONLY)) != 3) e(18);
 | 
			
		||||
	system("while test -f /tmp/sema.29e; do sleep 1; done");
 | 
			
		||||
	signumber = 0;
 | 
			
		||||
	if (write(fd, buf, BUF_SIZE) != -1) e(19);
 | 
			
		||||
	if (errno != EPIPE) e(20);
 | 
			
		||||
	if (signumber != SIGPIPE) e(21);
 | 
			
		||||
	if (close(fd) != 0) e(22);
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd = open("fifo", O_RDONLY)) != 3) e(23);
 | 
			
		||||
	if (close(fd) != 0) e(24);
 | 
			
		||||
	unlink("/tmp/sema.29e");
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(25);
 | 
			
		||||
	if (stat_loc != 0) e(26);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
  /* Restore normal (re)action to SIGPIPE. */
 | 
			
		||||
  if (sigaction(SIGPIPE, &oact, NULL) != 0) e(27);
 | 
			
		||||
#else
 | 
			
		||||
  signal(SIGPIPE, oldfunc);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
  /* Read from fifo should return -1 and set errno to EAGAIN. */
 | 
			
		||||
  System("rm -rf /tmp/sema.29[fgh]");
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	system("while test ! -f /tmp/sema.29f; do sleep 1; done");
 | 
			
		||||
	System("rm -rf /tmp/sema.29f");
 | 
			
		||||
	if ((fd = open("fifo", O_WRONLY | O_NONBLOCK)) != 3) e(28);
 | 
			
		||||
	close(creat("/tmp/sema.29g", 0666));
 | 
			
		||||
	system("while test ! -f /tmp/sema.29h; do sleep 1; done");
 | 
			
		||||
	if (close(fd) != 0) e(29);
 | 
			
		||||
	System("rm -rf /tmp/sema.29h");
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd = open("fifo", O_RDONLY | O_NONBLOCK)) != 3) e(30);
 | 
			
		||||
	close(creat("/tmp/sema.29f", 0666));
 | 
			
		||||
	system("while test ! -f /tmp/sema.29g; do sleep 1; done");
 | 
			
		||||
	System("rm -rf /tmp/sema.29g");
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(31);
 | 
			
		||||
	if (errno != EAGAIN) e(32);
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(33);
 | 
			
		||||
	if (errno != EAGAIN) e(34);
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(35);
 | 
			
		||||
	if (errno != EAGAIN) e(36);
 | 
			
		||||
	close(creat("/tmp/sema.29h", 0666));
 | 
			
		||||
	while (stat("/tmp/sema.29h", &st) == 0) sleep(1);
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != 0) e(37);
 | 
			
		||||
	if (close(fd) != 0) e(38);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(39);
 | 
			
		||||
	if (stat_loc != 0) e(40);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
  System("rm -rf fifo");
 | 
			
		||||
 | 
			
		||||
  /* If a read is interrupted by a SIGNAL. */
 | 
			
		||||
  if (pipe(tube) != 0) e(41);
 | 
			
		||||
  switch (pid = fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
	act.sa_handler = setsignumber;
 | 
			
		||||
	sigemptyset(&act.sa_mask);
 | 
			
		||||
	act.sa_flags = 0;
 | 
			
		||||
	if (sigaction(SIGUSR1, &act, &oact) != 0) e(42);
 | 
			
		||||
#else
 | 
			
		||||
	oldfunc = signal(SIGUSR1, setsignumber);
 | 
			
		||||
#endif
 | 
			
		||||
	if (read(tube[0], buf, BUF_SIZE) != -1) e(43);
 | 
			
		||||
	if (errno != EINTR) e(44);
 | 
			
		||||
	if (signumber != SIGUSR1) e(45);
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
	/* Restore normal (re)action to SIGPIPE. */
 | 
			
		||||
	if (sigaction(SIGUSR1, &oact, NULL) != 0) e(46);
 | 
			
		||||
#else
 | 
			
		||||
	signal(SIGUSR1, oldfunc);
 | 
			
		||||
#endif
 | 
			
		||||
	close(tube[0]);
 | 
			
		||||
	close(tube[1]);
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	/* The sleep 1 should give the child time to start the read. */
 | 
			
		||||
	sleep(1);
 | 
			
		||||
	close(tube[0]);
 | 
			
		||||
	kill(pid, SIGUSR1);
 | 
			
		||||
	wait(&stat_loc);
 | 
			
		||||
	if (stat_loc != 0) e(47);	/* Alarm? */
 | 
			
		||||
	close(tube[1]);
 | 
			
		||||
  }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void setsignumber(signum)
 | 
			
		||||
int signum;
 | 
			
		||||
{
 | 
			
		||||
  signumber = signum;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void e(n)
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										788
									
								
								test/test38.c
									
									
									
									
									
								
							
							
						
						
									
										788
									
								
								test/test38.c
									
									
									
									
									
								
							@ -1,16 +1,9 @@
 | 
			
		||||
/* test38: dup() dup2()		Author: Jan-Mark Wams (jms@cs.vu.nl) */
 | 
			
		||||
 | 
			
		||||
/* The definition of ``dup2()'' is realy a big mess! For:
 | 
			
		||||
**
 | 
			
		||||
** (1) if fildes2 is less than zero or greater than {OPEN_MAX}
 | 
			
		||||
**     errno has to set to [EBADF]. But if fildes2 equals {OPEN_MAX}
 | 
			
		||||
**     errno has to be set to [EINVAL]. And ``fcntl(F_DUPFD...)'' always
 | 
			
		||||
**     returns [EINVAL] if fildes2 is out of range!
 | 
			
		||||
**
 | 
			
		||||
** (2) if the number of file descriptors would exceed {OPEN_MAX}, or no
 | 
			
		||||
**     file descriptors above fildes2 are available, errno has to be set
 | 
			
		||||
**     to [EMFILE]. But this can never occur!
 | 
			
		||||
/* Many of the tests require 1.6.n, n > 16, so we may as well assume that
 | 
			
		||||
 * POSIX signals are implemented.
 | 
			
		||||
 */
 | 
			
		||||
#define SIGACTION
 | 
			
		||||
 | 
			
		||||
/* test38: read(), write()	Author: Jan-Mark Wams (jms@cs.vu.nl) */
 | 
			
		||||
 | 
			
		||||
#include <sys/types.h>
 | 
			
		||||
#include <sys/stat.h>
 | 
			
		||||
@ -22,30 +15,27 @@
 | 
			
		||||
#include <limits.h>
 | 
			
		||||
#include <errno.h>
 | 
			
		||||
#include <time.h>
 | 
			
		||||
#include <signal.h>
 | 
			
		||||
#include <stdio.h>
 | 
			
		||||
 | 
			
		||||
#define MAX_ERROR	4
 | 
			
		||||
#define ITERATIONS     10
 | 
			
		||||
#define ITERATIONS      3
 | 
			
		||||
#define BUF_SIZE 1024
 | 
			
		||||
 | 
			
		||||
#define System(cmd)	if (system(cmd) != 0) printf("``%s'' failed\n", cmd)
 | 
			
		||||
#define Chdir(dir)	if (chdir(dir) != 0) printf("Can't goto %s\n", dir)
 | 
			
		||||
#define Stat(a,b)	if (stat(a,b) != 0) printf("Can't stat %s\n", a)
 | 
			
		||||
 | 
			
		||||
#define IS_CLOEXEC(fd)	((fcntl(fd, F_GETFD) & FD_CLOEXEC) == FD_CLOEXEC)
 | 
			
		||||
#define SET_CLOEXEC(fd)	fcntl(fd, F_SETFD, FD_CLOEXEC)
 | 
			
		||||
 | 
			
		||||
int errct = 0;
 | 
			
		||||
int subtest = 1;
 | 
			
		||||
int superuser;
 | 
			
		||||
char MaxName[NAME_MAX + 1];	/* Name of maximum length */
 | 
			
		||||
char MaxPath[PATH_MAX];		/* Same for path */
 | 
			
		||||
char ToLongName[NAME_MAX + 2];	/* Name of maximum +1 length */
 | 
			
		||||
char ToLongPath[PATH_MAX + 1];	/* Same for path, both too long */
 | 
			
		||||
int signumber = 0;
 | 
			
		||||
 | 
			
		||||
_PROTOTYPE(void main, (int argc, char *argv[]));
 | 
			
		||||
_PROTOTYPE(void test38a, (void));
 | 
			
		||||
_PROTOTYPE(void test38b, (void));
 | 
			
		||||
_PROTOTYPE(void test38c, (void));
 | 
			
		||||
_PROTOTYPE(void setsignumber, (int _signumber));
 | 
			
		||||
_PROTOTYPE(void e, (int number));
 | 
			
		||||
_PROTOTYPE(void quit, (void));
 | 
			
		||||
 | 
			
		||||
@ -62,6 +52,7 @@ char *argv[];
 | 
			
		||||
  System("rm -rf DIR_38; mkdir DIR_38");
 | 
			
		||||
  Chdir("DIR_38");
 | 
			
		||||
  superuser = (geteuid() == 0);
 | 
			
		||||
  umask(0000);
 | 
			
		||||
 | 
			
		||||
  for (i = 0; i < ITERATIONS; i++) {
 | 
			
		||||
	if (m & 0001) test38a();
 | 
			
		||||
@ -72,146 +63,655 @@ char *argv[];
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void test38a()
 | 
			
		||||
{
 | 
			
		||||
  int fd1, fd2, fd3, fd4, fd5;
 | 
			
		||||
  struct flock flock;
 | 
			
		||||
{				/* Try normal operation. */
 | 
			
		||||
  int fd1;
 | 
			
		||||
  struct stat st1, st2;
 | 
			
		||||
  time_t time1;
 | 
			
		||||
  char buf[BUF_SIZE];
 | 
			
		||||
  int stat_loc;
 | 
			
		||||
  int i, j;
 | 
			
		||||
  int tube[2];
 | 
			
		||||
 | 
			
		||||
  subtest = 1;
 | 
			
		||||
 | 
			
		||||
  /* Basic checking. */
 | 
			
		||||
  if ((fd1 = dup(0)) != 3) e(1);
 | 
			
		||||
  if ((fd2 = dup(0)) != 4) e(2);
 | 
			
		||||
  if ((fd3 = dup(0)) != 5) e(3);
 | 
			
		||||
  if ((fd4 = dup(0)) != 6) e(4);
 | 
			
		||||
  if ((fd5 = dup(0)) != 7) e(5);
 | 
			
		||||
  if (close(fd2) != 0) e(6);
 | 
			
		||||
  if (close(fd4) != 0) e(7);
 | 
			
		||||
  if ((fd2 = dup(0)) != 4) e(8);
 | 
			
		||||
  if ((fd4 = dup(0)) != 6) e(9);
 | 
			
		||||
  if (close(fd1) != 0) e(10);
 | 
			
		||||
  if (close(fd3) != 0) e(11);
 | 
			
		||||
  if (close(fd5) != 0) e(12);
 | 
			
		||||
  if ((fd1 = dup(0)) != 3) e(13);
 | 
			
		||||
  if ((fd3 = dup(0)) != 5) e(14);
 | 
			
		||||
  if ((fd5 = dup(0)) != 7) e(15);
 | 
			
		||||
  if (close(fd1) != 0) e(16);
 | 
			
		||||
  if (close(fd2) != 0) e(17);
 | 
			
		||||
  if (close(fd3) != 0) e(18);
 | 
			
		||||
  if (close(fd4) != 0) e(19);
 | 
			
		||||
  if (close(fd5) != 0) e(20);
 | 
			
		||||
 | 
			
		||||
  /* FD_CLOEXEC should be cleared. */
 | 
			
		||||
  if ((fd1 = dup(0)) != 3) e(21);
 | 
			
		||||
  if (SET_CLOEXEC(fd1) == -1) e(22);
 | 
			
		||||
  if (!IS_CLOEXEC(fd1)) e(23);
 | 
			
		||||
  if ((fd2 = dup(fd1)) != 4) e(24);
 | 
			
		||||
  if ((fd3 = dup(fd2)) != 5) e(25);
 | 
			
		||||
  if (IS_CLOEXEC(fd2)) e(26);
 | 
			
		||||
  if (IS_CLOEXEC(fd3)) e(27);
 | 
			
		||||
  if (SET_CLOEXEC(fd2) == -1) e(28);
 | 
			
		||||
  if (!IS_CLOEXEC(fd2)) e(29);
 | 
			
		||||
  if (IS_CLOEXEC(fd3)) e(30);
 | 
			
		||||
  if (close(fd1) != 0) e(31);
 | 
			
		||||
  if (close(fd2) != 0) e(32);
 | 
			
		||||
  if (close(fd3) != 0) e(33);
 | 
			
		||||
 | 
			
		||||
  /* Locks should be shared, so we can lock again. */
 | 
			
		||||
  System("echo 'Hallo' > file");
 | 
			
		||||
  if ((fd1 = open("file", O_RDWR)) != 3) e(34);
 | 
			
		||||
  flock.l_whence = SEEK_SET;
 | 
			
		||||
  flock.l_start = 0;
 | 
			
		||||
  flock.l_len = 10;
 | 
			
		||||
  flock.l_type = F_WRLCK;
 | 
			
		||||
  if (fcntl(fd1, F_SETLK, &flock) == -1) e(35);
 | 
			
		||||
  if (fcntl(fd1, F_SETLK, &flock) == -1) e(36);
 | 
			
		||||
  if ((fd2 = dup(fd1)) != 4) e(37);
 | 
			
		||||
  if (fcntl(fd1, F_SETLK, &flock) == -1) e(38);
 | 
			
		||||
  if (fcntl(fd1, F_GETLK, &flock) == -1) e(39);
 | 
			
		||||
#if 0 /* XXX - see test7.c */
 | 
			
		||||
  if (flock.l_type != F_WRLCK) e(40);
 | 
			
		||||
  if (flock.l_pid != getpid()) e(41);
 | 
			
		||||
#endif /* 0 */
 | 
			
		||||
  flock.l_type = F_WRLCK;
 | 
			
		||||
  if (fcntl(fd2, F_GETLK, &flock) == -1) e(42);
 | 
			
		||||
#if 0 /* XXX - see test7.c */
 | 
			
		||||
  if (flock.l_type != F_WRLCK) e(43);
 | 
			
		||||
  if (flock.l_pid != getpid()) e(44);
 | 
			
		||||
#endif /* 0 */
 | 
			
		||||
  if (close(fd1) != 0) e(45);
 | 
			
		||||
  if (close(fd2) != 0) e(46);
 | 
			
		||||
 | 
			
		||||
  System("rm -rf ../DIR_38/*");
 | 
			
		||||
 | 
			
		||||
  /* Let's open bar. */
 | 
			
		||||
  if ((fd1 = open("bar", O_RDWR | O_CREAT, 0777)) != 3) e(1);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
 | 
			
		||||
  /* Writing nothing should not affect the file at all. */
 | 
			
		||||
  if (write(fd1, "", 0) != 0) e(2);
 | 
			
		||||
  Stat("bar", &st2);
 | 
			
		||||
  if (st1.st_uid != st2.st_uid) e(3);
 | 
			
		||||
  if (st1.st_gid != st2.st_gid) e(4);	/* should be same */
 | 
			
		||||
  if (st1.st_mode != st2.st_mode) e(5);
 | 
			
		||||
  if (st1.st_size != st2.st_size) e(6);
 | 
			
		||||
  if (st1.st_nlink != st2.st_nlink) e(7);
 | 
			
		||||
  if (st1.st_mtime != st2.st_mtime) e(8);
 | 
			
		||||
  if (st1.st_ctime != st2.st_ctime) e(9);
 | 
			
		||||
  if (st1.st_atime != st2.st_atime) e(10);
 | 
			
		||||
 | 
			
		||||
  /* A write should update some status fields. */
 | 
			
		||||
  time(&time1);
 | 
			
		||||
  while (time1 >= time((time_t *)0))
 | 
			
		||||
	;
 | 
			
		||||
  if (write(fd1, "foo", 4) != 4) e(11);
 | 
			
		||||
  Stat("bar", &st2);
 | 
			
		||||
  if (st1.st_mode != st2.st_mode) e(12);
 | 
			
		||||
  if (st1.st_size >= st2.st_size) e(13);
 | 
			
		||||
  if ((off_t) 4 != st2.st_size) e(14);
 | 
			
		||||
  if (st1.st_nlink != st2.st_nlink) e(15);
 | 
			
		||||
  if (st1.st_mtime >= st2.st_mtime) e(16);
 | 
			
		||||
  if (st1.st_ctime >= st2.st_ctime) e(17);
 | 
			
		||||
  if (st1.st_atime != st2.st_atime) e(18);
 | 
			
		||||
 | 
			
		||||
  /* Lseeks should not change the file status. */
 | 
			
		||||
  if (lseek(fd1, (off_t) - 2, SEEK_END) != 2) e(19);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_mode != st2.st_mode) e(20);
 | 
			
		||||
  if (st1.st_size != st2.st_size) e(21);
 | 
			
		||||
  if (st1.st_nlink != st2.st_nlink) e(22);
 | 
			
		||||
  if (st1.st_mtime != st2.st_mtime) e(23);
 | 
			
		||||
  if (st1.st_ctime != st2.st_ctime) e(24);
 | 
			
		||||
  if (st1.st_atime != st2.st_atime) e(25);
 | 
			
		||||
 | 
			
		||||
  /* Writing should start at the current (2) position. */
 | 
			
		||||
  if (write(fd1, "foo", 4) != 4) e(26);
 | 
			
		||||
  Stat("bar", &st2);
 | 
			
		||||
  if (st1.st_mode != st2.st_mode) e(27);
 | 
			
		||||
  if (st1.st_size >= st2.st_size) e(28);
 | 
			
		||||
  if ((off_t) 6 != st2.st_size) e(29);
 | 
			
		||||
  if (st1.st_nlink != st2.st_nlink) e(30);
 | 
			
		||||
  if (st1.st_mtime > st2.st_mtime) e(31);
 | 
			
		||||
  if (st1.st_ctime > st2.st_ctime) e(32);
 | 
			
		||||
  if (st1.st_atime != st2.st_atime) e(33);
 | 
			
		||||
 | 
			
		||||
  /* A read of zero bytes should not affect anything. */
 | 
			
		||||
  if (read(fd1, buf, 0) != 0) e(34);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_uid != st2.st_uid) e(35);
 | 
			
		||||
  if (st1.st_gid != st2.st_gid) e(36);	/* should be same */
 | 
			
		||||
  if (st1.st_mode != st2.st_mode) e(37);
 | 
			
		||||
  if (st1.st_size != st2.st_size) e(38);
 | 
			
		||||
  if (st1.st_nlink != st2.st_nlink) e(39);
 | 
			
		||||
  if (st1.st_mtime != st2.st_mtime) e(40);
 | 
			
		||||
  if (st1.st_ctime != st2.st_ctime) e(41);
 | 
			
		||||
  if (st1.st_atime != st2.st_atime) e(42);
 | 
			
		||||
 | 
			
		||||
  /* The file now should contain ``fofoo\0'' Let's check that. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_SET) != 0) e(43);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 6) e(44);
 | 
			
		||||
  if (strcmp(buf, "fofoo") != 0) e(45);
 | 
			
		||||
 | 
			
		||||
  /* Only the Access Time should be updated. */
 | 
			
		||||
  Stat("bar", &st2);
 | 
			
		||||
  if (st1.st_mtime != st2.st_mtime) e(46);
 | 
			
		||||
  if (st1.st_ctime != st2.st_ctime) e(47);
 | 
			
		||||
  if (st1.st_atime >= st2.st_atime) e(48);
 | 
			
		||||
 | 
			
		||||
  /* A read of zero bytes should do nothing even at the end of the file. */
 | 
			
		||||
  time(&time1);
 | 
			
		||||
  while (time1 >= time((time_t *)0))
 | 
			
		||||
	;
 | 
			
		||||
  if (read(fd1, buf, 0) != 0) e(49);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_size != st2.st_size) e(50);
 | 
			
		||||
  if (st1.st_mtime != st2.st_mtime) e(51);
 | 
			
		||||
  if (st1.st_ctime != st2.st_ctime) e(52);
 | 
			
		||||
  if (st1.st_atime != st2.st_atime) e(53);
 | 
			
		||||
 | 
			
		||||
  /* Reading should be done from the current offset. */
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(54);
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(55);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 4) e(56);
 | 
			
		||||
  if (strcmp(buf, "foo") != 0) e(57);
 | 
			
		||||
 | 
			
		||||
  /* Reading should effect the current file position. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(58);
 | 
			
		||||
  if (read(fd1, buf, 1) != 1) e(59);
 | 
			
		||||
  if (*buf != 'f') e(60);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 3) e(61);
 | 
			
		||||
  if (read(fd1, buf, 1) != 1) e(62);
 | 
			
		||||
  if (*buf != 'o') e(63);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 4) e(64);
 | 
			
		||||
  if (read(fd1, buf, 1) != 1) e(65);
 | 
			
		||||
  if (*buf != 'o') e(66);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 5) e(67);
 | 
			
		||||
  if (read(fd1, buf, 1) != 1) e(68);
 | 
			
		||||
  if (*buf != '\0') e(69);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(70);
 | 
			
		||||
 | 
			
		||||
  /* Read's at EOF should return 0. */
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(71);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(72);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(73);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(74);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(75);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(76);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(77);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(78);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 0) e(79);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 6) e(80);
 | 
			
		||||
 | 
			
		||||
  /* Writing should not always change the file size. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(81);
 | 
			
		||||
  if (write(fd1, "ba", 2) != 2) e(82);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 4) e(83);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_size != 6) e(84);
 | 
			
		||||
 | 
			
		||||
  /* Kill the \0 at the end. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 5, SEEK_SET) != 5) e(85);
 | 
			
		||||
  if (write(fd1, "x", 1) != 1) e(86);
 | 
			
		||||
 | 
			
		||||
  /* And close the bar. */
 | 
			
		||||
  if (close(fd1) != 0) e(87);
 | 
			
		||||
 | 
			
		||||
  /* Try some stuff with O_APPEND. Bar contains ``fobaox'' */
 | 
			
		||||
  if ((fd1 = open("bar", O_RDWR | O_APPEND)) != 3) e(88);
 | 
			
		||||
 | 
			
		||||
  /* No matter what the file position is. Writes should append. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(89);
 | 
			
		||||
  if (write(fd1, "y", 1) != 1) e(90);
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_size != (off_t) 7) e(91);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 7) e(92);
 | 
			
		||||
  if (lseek(fd1, (off_t) 2, SEEK_SET) != 2) e(93);
 | 
			
		||||
  if (write(fd1, "z", 2) != 2) e(94);
 | 
			
		||||
 | 
			
		||||
  /* The file should contain ``fobaoxyz\0'' == 9 chars long. */
 | 
			
		||||
  Stat("bar", &st1);
 | 
			
		||||
  if (st1.st_size != (off_t) 9) e(95);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 9) e(96);
 | 
			
		||||
 | 
			
		||||
  /* Reading on a O_APPEND flag should be from the current offset. */
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_SET) != 0) e(97);
 | 
			
		||||
  if (read(fd1, buf, BUF_SIZE) != 9) e(98);
 | 
			
		||||
  if (strcmp(buf, "fobaoxyz") != 0) e(99);
 | 
			
		||||
  if (lseek(fd1, (off_t) 0, SEEK_CUR) != 9) e(100);
 | 
			
		||||
 | 
			
		||||
  if (close(fd1) != 0) e(101);
 | 
			
		||||
 | 
			
		||||
  /* Let's test fifo writes. First blocking. */
 | 
			
		||||
  if (mkfifo("fifo", 0777) != 0) e(102);
 | 
			
		||||
 | 
			
		||||
  /* Read from fifo but no writer. */
 | 
			
		||||
  System("rm -rf /tmp/sema.38a");
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if ((fd1 = open("fifo", O_RDONLY)) != 3) e(103);
 | 
			
		||||
	system("> /tmp/sema.38a");
 | 
			
		||||
	system("while test -f /tmp/sema.38a; do sleep 1; done");
 | 
			
		||||
errno =0;
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(104);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(105);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(106);
 | 
			
		||||
	if (close(fd1) != 0) e(107);
 | 
			
		||||
	exit(0);
 | 
			
		||||
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd1 = open("fifo", O_WRONLY)) != 3) e(108);
 | 
			
		||||
	while (stat("/tmp/sema.38a", &st1) != 0) sleep(1);
 | 
			
		||||
	if (close(fd1) != 0) e(109);
 | 
			
		||||
	unlink("/tmp/sema.38a");
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(110);
 | 
			
		||||
	if (stat_loc != 0) e(111);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Read from fifo should wait for writer. */
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if ((fd1 = open("fifo", O_RDONLY)) != 3) e(112);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 10) e(113);
 | 
			
		||||
	if (strcmp(buf, "Hi reader") != 0) e(114);
 | 
			
		||||
	if (close(fd1) != 0) e(115);
 | 
			
		||||
	exit(0);
 | 
			
		||||
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd1 = open("fifo", O_WRONLY)) != 3) e(116);
 | 
			
		||||
	sleep(1);
 | 
			
		||||
	if (write(fd1, "Hi reader", 10) != 10) e(117);
 | 
			
		||||
	if (close(fd1) != 0) e(118);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(119);
 | 
			
		||||
	if (stat_loc != 0) e(120);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Read from fifo should wait for all writers to close. */
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	switch (fork()) {
 | 
			
		||||
	    case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
	    case 0:
 | 
			
		||||
		alarm(20);
 | 
			
		||||
		if ((fd1 = open("fifo", O_WRONLY)) != 3) e(121);
 | 
			
		||||
		if (close(fd1) != 0) e(122);
 | 
			
		||||
		exit(0);
 | 
			
		||||
	    default:
 | 
			
		||||
		if ((fd1 = open("fifo", O_WRONLY)) != 3) e(123);
 | 
			
		||||
		sleep(1);
 | 
			
		||||
		if (close(fd1) != 0) e(124);
 | 
			
		||||
		if (wait(&stat_loc) == -1) e(125);
 | 
			
		||||
		if (stat_loc != 0) e(126);	/* Alarm? */
 | 
			
		||||
	}
 | 
			
		||||
	exit(stat_loc);
 | 
			
		||||
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd1 = open("fifo", O_RDONLY)) != 3) e(127);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(128);
 | 
			
		||||
	if (close(fd1) != 0) e(129);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(130);
 | 
			
		||||
	if (stat_loc != 0) e(131);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* PIPE_BUF has to have a nice value. */
 | 
			
		||||
  if (PIPE_BUF < 5) e(132);
 | 
			
		||||
  if (BUF_SIZE < 1000) e(133);
 | 
			
		||||
 | 
			
		||||
  /* Writes of blocks smaller than PIPE_BUF should be atomic. */
 | 
			
		||||
  System("rm -rf /tmp/sema.38b;> /tmp/sema.38b");
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	switch (fork()) {
 | 
			
		||||
	    case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
 | 
			
		||||
	    case 0:
 | 
			
		||||
		alarm(20);
 | 
			
		||||
		if ((fd1 = open("fifo", O_WRONLY)) != 3) e(134);
 | 
			
		||||
		for (i = 0; i < 100; i++) write(fd1, "1234 ", 5);
 | 
			
		||||
		system("while test -f /tmp/sema.38b; do sleep 1; done");
 | 
			
		||||
		if (close(fd1) != 0) e(135);
 | 
			
		||||
		exit(0);
 | 
			
		||||
 | 
			
		||||
	    default:
 | 
			
		||||
		if ((fd1 = open("fifo", O_WRONLY)) != 3) e(136);
 | 
			
		||||
		for (i = 0; i < 100; i++) write(fd1, "1234 ", 5);
 | 
			
		||||
		while (stat("/tmp/sema.38b", &st1) == 0) sleep(1);
 | 
			
		||||
		if (close(fd1) != 0) e(137);
 | 
			
		||||
		if (wait(&stat_loc) == -1) e(138);
 | 
			
		||||
		if (stat_loc != 0) e(139);	/* Alarm? */
 | 
			
		||||
	}
 | 
			
		||||
	exit(stat_loc);
 | 
			
		||||
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd1 = open("fifo", O_RDONLY)) != 3) e(140);
 | 
			
		||||
	i = 0;
 | 
			
		||||
	memset(buf, '\0', BUF_SIZE);
 | 
			
		||||
 | 
			
		||||
	/* Read buffer full or till EOF. */
 | 
			
		||||
	do {
 | 
			
		||||
		j = read(fd1, buf + i, BUF_SIZE - i);
 | 
			
		||||
		if (j > 0) {
 | 
			
		||||
			if (j % 5 != 0) e(141);
 | 
			
		||||
			i += j;
 | 
			
		||||
		}
 | 
			
		||||
	} while (j > 0 && i < 1000);
 | 
			
		||||
 | 
			
		||||
	/* Signal the children to close write ends. This should not be */
 | 
			
		||||
	/* Necessary. But due to a bug in 1.16.6 this is necessary. */
 | 
			
		||||
	unlink("/tmp/sema.38b");
 | 
			
		||||
	if (j < 0) e(142);
 | 
			
		||||
	if (i != 1000) e(143);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(144);
 | 
			
		||||
	if (stat_loc != 0) e(145);	/* Alarm? */
 | 
			
		||||
 | 
			
		||||
	/* Check 200 times 1234. */
 | 
			
		||||
	for (i = 0; i < 200; i++)
 | 
			
		||||
		if (strncmp(buf + (i * 5), "1234 ", 5) != 0) break;
 | 
			
		||||
	if (i != 200) e(146);
 | 
			
		||||
	if (buf[1000] != '\0') e(147);
 | 
			
		||||
	if (buf[1005] != '\0') e(148);
 | 
			
		||||
	if (buf[1010] != '\0') e(149);
 | 
			
		||||
	if (read(fd1, buf, BUF_SIZE) != 0) e(150);
 | 
			
		||||
	if (close(fd1) != 0) e(151);
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Read from pipe should wait for writer. */
 | 
			
		||||
  if (pipe(tube) != 0) e(152);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if (close(tube[1]) != 0) e(153);
 | 
			
		||||
	if (read(tube[0], buf, BUF_SIZE) != 10) e(154);
 | 
			
		||||
	if (strcmp(buf, "Hi reader") != 0) e(155);
 | 
			
		||||
	if (close(tube[0]) != 0) e(156);
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	if (close(tube[0]) != 0) e(157);
 | 
			
		||||
	sleep(1);
 | 
			
		||||
	if (write(tube[1], "Hi reader", 10) != 10) e(158);
 | 
			
		||||
	if (close(tube[1]) != 0) e(159);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(160);
 | 
			
		||||
	if (stat_loc != 0) e(161);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Read from pipe should wait for all writers to close. */
 | 
			
		||||
  if (pipe(tube) != 0) e(162);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if (close(tube[0]) != 0) e(163);
 | 
			
		||||
	switch (fork()) {
 | 
			
		||||
	    case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
	    case 0:
 | 
			
		||||
		alarm(20);
 | 
			
		||||
		if (close(tube[1]) != 0) e(164);
 | 
			
		||||
		exit(0);
 | 
			
		||||
	    default:
 | 
			
		||||
		sleep(1);
 | 
			
		||||
		if (close(tube[1]) != 0) e(165);
 | 
			
		||||
		if (wait(&stat_loc) == -1) e(166);
 | 
			
		||||
		if (stat_loc != 0) e(167);	/* Alarm? */
 | 
			
		||||
	}
 | 
			
		||||
	exit(stat_loc);
 | 
			
		||||
      default:
 | 
			
		||||
	if (close(tube[1]) != 0) e(168);
 | 
			
		||||
	if (read(tube[0], buf, BUF_SIZE) != 0) e(169);
 | 
			
		||||
	if (close(tube[0]) != 0) e(170);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(171);
 | 
			
		||||
	if (stat_loc != 0) e(172);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Writes of blocks smaller than PIPE_BUF should be atomic. */
 | 
			
		||||
  System("rm -rf /tmp/sema.38c;> /tmp/sema.38c");
 | 
			
		||||
  if (pipe(tube) != 0) e(173);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if (close(tube[0]) != 0) e(174);
 | 
			
		||||
	switch (fork()) {
 | 
			
		||||
	    case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
	    case 0:
 | 
			
		||||
		alarm(20);
 | 
			
		||||
		for (i = 0; i < 100; i++) write(tube[1], "1234 ", 5);
 | 
			
		||||
		system("while test -f /tmp/sema.38c; do sleep 1; done");
 | 
			
		||||
		if (close(tube[1]) != 0) e(175);
 | 
			
		||||
		exit(0);
 | 
			
		||||
	    default:
 | 
			
		||||
		for (i = 0; i < 100; i++) write(tube[1], "1234 ", 5);
 | 
			
		||||
		while (stat("/tmp/sema.38c", &st1) == 0) sleep(1);
 | 
			
		||||
		if (close(tube[1]) != 0) e(176);
 | 
			
		||||
		if (wait(&stat_loc) == -1) e(177);
 | 
			
		||||
		if (stat_loc != 0) e(178);	/* Alarm? */
 | 
			
		||||
	}
 | 
			
		||||
	exit(stat_loc);
 | 
			
		||||
      default:
 | 
			
		||||
	i = 0;
 | 
			
		||||
	if (close(tube[1]) != 0) e(179);
 | 
			
		||||
	memset(buf, '\0', BUF_SIZE);
 | 
			
		||||
	do {
 | 
			
		||||
		j = read(tube[0], buf + i, BUF_SIZE - i);
 | 
			
		||||
		if (j > 0) {
 | 
			
		||||
			if (j % 5 != 0) e(180);
 | 
			
		||||
			i += j;
 | 
			
		||||
		} else
 | 
			
		||||
			break;	/* EOF seen. */
 | 
			
		||||
	} while (i < 1000);
 | 
			
		||||
	unlink("/tmp/sema.38c");
 | 
			
		||||
	if (j < 0) e(181);
 | 
			
		||||
	if (i != 1000) e(182);
 | 
			
		||||
	if (close(tube[0]) != 0) e(183);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(184);
 | 
			
		||||
	if (stat_loc != 0) e(185);	/* Alarm? */
 | 
			
		||||
 | 
			
		||||
	/* Check 200 times 1234. */
 | 
			
		||||
	for (i = 0; i < 200; i++)
 | 
			
		||||
		if (strncmp(buf + (i * 5), "1234 ", 5) != 0) break;
 | 
			
		||||
	if (i != 200) e(186);
 | 
			
		||||
  }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void test38b()
 | 
			
		||||
{
 | 
			
		||||
  int fd;
 | 
			
		||||
  char buf[32];
 | 
			
		||||
  int i, fd, stat_loc;
 | 
			
		||||
  char buf[BUF_SIZE];
 | 
			
		||||
  char buf2[BUF_SIZE];
 | 
			
		||||
  struct stat st;
 | 
			
		||||
 | 
			
		||||
  subtest = 2;
 | 
			
		||||
 | 
			
		||||
  /* Test file called ``file''. */
 | 
			
		||||
  System("echo 'Hallo!' > file");
 | 
			
		||||
 | 
			
		||||
  /* Check dup2() call with the same fds. Should have no effect. */
 | 
			
		||||
  if ((fd = open("file", O_RDONLY)) != 3) e(1);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(2);
 | 
			
		||||
  if (strncmp(buf, "Ha", 2) != 0) e(3);
 | 
			
		||||
  if (dup2(fd, fd) != fd) e(4);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(5);
 | 
			
		||||
  if (strncmp(buf, "ll", 2) != 0) e(6);
 | 
			
		||||
  if (dup2(fd, fd) != fd) e(7);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(8);
 | 
			
		||||
  if (strncmp(buf, "o!", 2) != 0) e(9);
 | 
			
		||||
  if (close(fd) != 0) e(10);
 | 
			
		||||
 | 
			
		||||
  /* If dup2() call fails, the fildes2 argument has to stay open. */
 | 
			
		||||
  if ((fd = open("file", O_RDONLY)) != 3) e(11);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(12);
 | 
			
		||||
  if (strncmp(buf, "Ha", 2) != 0) e(13);
 | 
			
		||||
  if (dup2(OPEN_MAX + 3, fd) != -1) e(14);
 | 
			
		||||
  if (errno != EBADF) e(15);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(16);
 | 
			
		||||
  if (strncmp(buf, "ll", 2) != 0) e(17);
 | 
			
		||||
  if (dup2(-4, fd) != -1) e(18);
 | 
			
		||||
  if (errno != EBADF) e(19);
 | 
			
		||||
  if (read(fd, buf, 2) != 2) e(20);
 | 
			
		||||
  if (strncmp(buf, "o!", 2) != 0) e(21);
 | 
			
		||||
  if (close(fd) != 0) e(22);
 | 
			
		||||
 | 
			
		||||
  System("rm -rf ../DIR_38/*");
 | 
			
		||||
 | 
			
		||||
  /* Lets try sequential writes. */
 | 
			
		||||
  system("rm -rf /tmp/sema.38d");
 | 
			
		||||
  System("> testing");
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if ((fd = open("testing", O_WRONLY | O_APPEND)) != 3) e(1);
 | 
			
		||||
	if (write(fd, "one ", 4) != 4) e(2);
 | 
			
		||||
	if (close(fd) != 0) e(3);
 | 
			
		||||
	system("> /tmp/sema.38d");
 | 
			
		||||
	system("while test -f /tmp/sema.38d; do sleep 1; done");
 | 
			
		||||
	if ((fd = open("testing", O_WRONLY | O_APPEND)) != 3) e(4);
 | 
			
		||||
	if (write(fd, "three ", 6) != 6) e(5);
 | 
			
		||||
	if (close(fd) != 0) e(6);
 | 
			
		||||
	system("> /tmp/sema.38d");
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	while (stat("/tmp/sema.38d", &st) != 0) sleep(1);
 | 
			
		||||
	if ((fd = open("testing", O_WRONLY | O_APPEND)) != 3) e(7);
 | 
			
		||||
	if (write(fd, "two ", 4) != 4) e(8);
 | 
			
		||||
	if (close(fd) != 0) e(9);
 | 
			
		||||
	unlink("/tmp/sema.38d");
 | 
			
		||||
	while (stat("/tmp/sema.38d", &st) != 0) sleep(1);
 | 
			
		||||
	if ((fd = open("testing", O_WRONLY | O_APPEND)) != 3) e(10);
 | 
			
		||||
	if (write(fd, "four", 5) != 5) e(11);
 | 
			
		||||
	if (close(fd) != 0) e(12);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(13);
 | 
			
		||||
	if (stat_loc != 0) e(14);	/* The alarm went off? */
 | 
			
		||||
	unlink("/tmp/sema.38d");
 | 
			
		||||
  }
 | 
			
		||||
  if ((fd = open("testing", O_RDONLY)) != 3) e(15);
 | 
			
		||||
  if (read(fd, buf, BUF_SIZE) != 19) e(16);
 | 
			
		||||
  if (strcmp(buf, "one two three four") != 0) e(17);
 | 
			
		||||
  if (close(fd) != 0) e(18);
 | 
			
		||||
 | 
			
		||||
  /* Non written bytes in regular files should be zero. */
 | 
			
		||||
  memset(buf2, '\0', BUF_SIZE);
 | 
			
		||||
  if ((fd = open("bigfile", O_RDWR | O_CREAT, 0644)) != 3) e(19);
 | 
			
		||||
  if (lseek(fd, (off_t) 102400, SEEK_SET) != (off_t) 102400L) e(20);
 | 
			
		||||
  if (read(fd, buf, BUF_SIZE) != 0) e(21);
 | 
			
		||||
  if (write(fd, ".", 1) != 1) e(22);
 | 
			
		||||
  Stat("bigfile", &st);
 | 
			
		||||
  if (st.st_size != (off_t) 102401) e(23);
 | 
			
		||||
  if (lseek(fd, (off_t) 0, SEEK_SET) != 0) e(24);
 | 
			
		||||
  for (i = 0; i < 102400 / BUF_SIZE; i++) {
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != BUF_SIZE) e(25);
 | 
			
		||||
	if (memcmp(buf, buf2, BUF_SIZE) != 0) e(26);
 | 
			
		||||
  }
 | 
			
		||||
  if (close(fd) != 0) e(27);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void test38c()
 | 
			
		||||
{
 | 
			
		||||
  int i;
 | 
			
		||||
{				/* Test correct error behavior. */
 | 
			
		||||
  char buf[BUF_SIZE];
 | 
			
		||||
  int fd, tube[2], stat_loc;
 | 
			
		||||
  struct stat st;
 | 
			
		||||
  pid_t pid;
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
  struct sigaction act, oact;
 | 
			
		||||
#else
 | 
			
		||||
#if _ANSI
 | 
			
		||||
  void (*oldfunc) (int);
 | 
			
		||||
#else
 | 
			
		||||
  void (*oldfunc) ();
 | 
			
		||||
#endif
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
  subtest = 3;
 | 
			
		||||
 | 
			
		||||
  /* Check bad arguments to dup() and dup2(). */
 | 
			
		||||
  for (i = -OPEN_MAX; i < OPEN_MAX * 2; i++) {
 | 
			
		||||
 | 
			
		||||
	/* ``i'' is a valid and open fd. */
 | 
			
		||||
	if (i >= 0 && i < 3) continue;
 | 
			
		||||
 | 
			
		||||
	/* If ``i'' is a valid fd it is not open. */
 | 
			
		||||
	if (dup(i) != -1) e(1);
 | 
			
		||||
	if (errno != EBADF) e(2);
 | 
			
		||||
 | 
			
		||||
	/* ``i'' Is OPEN_MAX. */
 | 
			
		||||
	if (i == OPEN_MAX) {
 | 
			
		||||
		if (dup2(0, i) != -1) e(3);
 | 
			
		||||
		if (errno != EINVAL) e(4);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	/* ``i'' Is out of range. */
 | 
			
		||||
	if (i < 0 || i > OPEN_MAX) {
 | 
			
		||||
		if (dup2(0, i) != -1) e(5);
 | 
			
		||||
		if (errno != EBADF) e(6);
 | 
			
		||||
	}
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  System("rm -rf ../DIR_38/*");
 | 
			
		||||
 | 
			
		||||
  /* To test if writing processes on closed pipes are signumbered. */
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
  act.sa_handler = setsignumber;
 | 
			
		||||
  sigemptyset(&act.sa_mask);
 | 
			
		||||
  act.sa_flags = 0;
 | 
			
		||||
  if (sigaction(SIGPIPE, &act, &oact) != 0) e(1);
 | 
			
		||||
#else
 | 
			
		||||
  oldfunc = signal(SIGPIPE, setsignumber);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
  /* Non valid file descriptors should be an error. */
 | 
			
		||||
  for (fd = -111; fd < 0; fd++) {
 | 
			
		||||
	errno = 0;
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(2);
 | 
			
		||||
	if (errno != EBADF) e(3);
 | 
			
		||||
  }
 | 
			
		||||
  for (fd = 3; fd < 111; fd++) {
 | 
			
		||||
	errno = 0;
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(4);
 | 
			
		||||
	if (errno != EBADF) e(5);
 | 
			
		||||
  }
 | 
			
		||||
  for (fd = -111; fd < 0; fd++) {
 | 
			
		||||
	errno = 0;
 | 
			
		||||
	if (write(fd, buf, BUF_SIZE) != -1) e(6);
 | 
			
		||||
	if (errno != EBADF) e(7);
 | 
			
		||||
  }
 | 
			
		||||
  for (fd = 3; fd < 111; fd++) {
 | 
			
		||||
	errno = 0;
 | 
			
		||||
	if (write(fd, buf, BUF_SIZE) != -1) e(8);
 | 
			
		||||
	if (errno != EBADF) e(9);
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Writing a pipe with no readers should trigger SIGPIPE. */
 | 
			
		||||
  if (pipe(tube) != 0) e(10);
 | 
			
		||||
  close(tube[0]);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	signumber = 0;
 | 
			
		||||
	if (write(tube[1], buf, BUF_SIZE) != -1) e(11);
 | 
			
		||||
	if (errno != EPIPE) e(12);
 | 
			
		||||
	if (signumber != SIGPIPE) e(13);
 | 
			
		||||
	if (close(tube[1]) != 0) e(14);
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	close(tube[1]);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(15);
 | 
			
		||||
	if (stat_loc != 0) e(16);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  /* Writing a fifo with no readers should trigger SIGPIPE. */
 | 
			
		||||
  System("> /tmp/sema.38e");
 | 
			
		||||
  if (mkfifo("fifo", 0666) != 0) e(17);
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	if ((fd = open("fifo", O_WRONLY)) != 3) e(18);
 | 
			
		||||
	system("while test -f /tmp/sema.38e; do sleep 1; done");
 | 
			
		||||
	signumber = 0;
 | 
			
		||||
	if (write(fd, buf, BUF_SIZE) != -1) e(19);
 | 
			
		||||
	if (errno != EPIPE) e(20);
 | 
			
		||||
	if (signumber != SIGPIPE) e(21);
 | 
			
		||||
	if (close(fd) != 0) e(22);
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd = open("fifo", O_RDONLY)) != 3) e(23);
 | 
			
		||||
	if (close(fd) != 0) e(24);
 | 
			
		||||
	unlink("/tmp/sema.38e");
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(25);
 | 
			
		||||
	if (stat_loc != 0) e(26);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
  /* Restore normal (re)action to SIGPIPE. */
 | 
			
		||||
  if (sigaction(SIGPIPE, &oact, NULL) != 0) e(27);
 | 
			
		||||
#else
 | 
			
		||||
  signal(SIGPIPE, oldfunc);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
  /* Read from fifo should return -1 and set errno to EAGAIN. */
 | 
			
		||||
  System("rm -rf /tmp/sema.38[fgh]");
 | 
			
		||||
  switch (fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
	system("while test ! -f /tmp/sema.38f; do sleep 1; done");
 | 
			
		||||
	System("rm -rf /tmp/sema.38f");
 | 
			
		||||
	if ((fd = open("fifo", O_WRONLY | O_NONBLOCK)) != 3) e(28);
 | 
			
		||||
	close(creat("/tmp/sema.38g", 0666));
 | 
			
		||||
	system("while test ! -f /tmp/sema.38h; do sleep 1; done");
 | 
			
		||||
	if (close(fd) != 0) e(38);
 | 
			
		||||
	System("rm -rf /tmp/sema.38h");
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	if ((fd = open("fifo", O_RDONLY | O_NONBLOCK)) != 3) e(30);
 | 
			
		||||
	close(creat("/tmp/sema.38f", 0666));
 | 
			
		||||
	system("while test ! -f /tmp/sema.38g; do sleep 1; done");
 | 
			
		||||
	System("rm -rf /tmp/sema.38g");
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(31);
 | 
			
		||||
	if (errno != EAGAIN) e(32);
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(33);
 | 
			
		||||
	if (errno != EAGAIN) e(34);
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != -1) e(35);
 | 
			
		||||
	if (errno != EAGAIN) e(36);
 | 
			
		||||
	close(creat("/tmp/sema.38h", 0666));
 | 
			
		||||
	while (stat("/tmp/sema.38h", &st) == 0) sleep(1);
 | 
			
		||||
	if (read(fd, buf, BUF_SIZE) != 0) e(37);
 | 
			
		||||
	if (close(fd) != 0) e(38);
 | 
			
		||||
	if (wait(&stat_loc) == -1) e(39);
 | 
			
		||||
	if (stat_loc != 0) e(40);	/* Alarm? */
 | 
			
		||||
  }
 | 
			
		||||
  System("rm -rf fifo");
 | 
			
		||||
 | 
			
		||||
  /* If a read is interrupted by a SIGNAL. */
 | 
			
		||||
  if (pipe(tube) != 0) e(41);
 | 
			
		||||
  switch (pid = fork()) {
 | 
			
		||||
      case -1:	printf("Can't fork\n");	break;
 | 
			
		||||
      case 0:
 | 
			
		||||
	alarm(20);
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
	act.sa_handler = setsignumber;
 | 
			
		||||
	sigemptyset(&act.sa_mask);
 | 
			
		||||
	act.sa_flags = 0;
 | 
			
		||||
	if (sigaction(SIGUSR1, &act, &oact) != 0) e(42);
 | 
			
		||||
#else
 | 
			
		||||
	oldfunc = signal(SIGUSR1, setsignumber);
 | 
			
		||||
#endif
 | 
			
		||||
	if (read(tube[0], buf, BUF_SIZE) != -1) e(43);
 | 
			
		||||
	if (errno != EINTR) e(44);
 | 
			
		||||
	if (signumber != SIGUSR1) e(45);
 | 
			
		||||
#ifdef SIGACTION
 | 
			
		||||
	/* Restore normal (re)action to SIGPIPE. */
 | 
			
		||||
	if (sigaction(SIGUSR1, &oact, NULL) != 0) e(46);
 | 
			
		||||
#else
 | 
			
		||||
	signal(SIGUSR1, oldfunc);
 | 
			
		||||
#endif
 | 
			
		||||
	close(tube[0]);
 | 
			
		||||
	close(tube[1]);
 | 
			
		||||
	exit(0);
 | 
			
		||||
      default:
 | 
			
		||||
	/* The sleep 1 should give the child time to start the read. */
 | 
			
		||||
	sleep(1);
 | 
			
		||||
	close(tube[0]);
 | 
			
		||||
	kill(pid, SIGUSR1);
 | 
			
		||||
	wait(&stat_loc);
 | 
			
		||||
	if (stat_loc != 0) e(47);	/* Alarm? */
 | 
			
		||||
	close(tube[1]);
 | 
			
		||||
  }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void setsignumber(signum)
 | 
			
		||||
int signum;
 | 
			
		||||
{
 | 
			
		||||
  signumber = signum;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void e(n)
 | 
			
		||||
 | 
			
		||||
							
								
								
									
										906
									
								
								test/test39.c
									
									
									
									
									
								
							
							
						
						
									
										906
									
								
								test/test39.c
									
									
									
									
									
								
							
										
											
												File diff suppressed because it is too large
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