357 lines
		
	
	
		
			6.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			357 lines
		
	
	
		
			6.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* test 2 */
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#include <sys/types.h>
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#include <sys/times.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <stdio.h>
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#define ITERATIONS 5
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int max_error = 4;
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#include "common.h"
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int is, array[4], parsigs, parcum, sigct, cumsig, subtest;
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int iteration, kk = 0;
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char buf[2048];
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int main(int argc, char *argv []);
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void test2a(void);
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void test2b(void);
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void test2c(void);
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void test2d(void);
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void test2e(void);
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void test2f(void);
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void test2g(void);
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void sigpip(int s);
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int main(argc, argv)
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int argc;
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char *argv[];
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{
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  int i, m = 0xFFFF;
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  start(2);
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  for (i = 0; i < ITERATIONS; i++) {
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	iteration = i;
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	if (m & 0001) test2a();
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	if (m & 0002) test2b();
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	if (m & 0004) test2c();
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	if (m & 0010) test2d();
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	if (m & 0020) test2e();
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	if (m & 0040) test2f();
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	if (m & 0100) test2g();
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  }
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  subtest = 100;
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  if (cumsig != ITERATIONS) e(101);
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  quit();
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  return(-1);			/* impossible */
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}
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void test2a()
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{
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/* Test pipes */
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  int fd[2];
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  int n, i, j, q = 0;
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  subtest = 1;
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  if (pipe(fd) < 0) {
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	printf("pipe error.  errno= %d\n", errno);
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	e(10);
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	quit();
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  }
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  i = fork();
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  if (i < 0) {
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	printf("fork failed\n");
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	e(11);
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	quit();
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  }
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  if (i != 0) {
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	/* Parent code */
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	close(fd[0]);
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	for (i = 0; i < 2048; i++) buf[i] = i & 0377;
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	for (q = 0; q < 8; q++) {
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		if (write(fd[1], buf, 2048) < 0) {
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			printf("write pipe err.  errno=%d\n", errno);
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			e(12);
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			quit();
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		}
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	}
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	close(fd[1]);
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	wait(&q);
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	if (q != 256 * 58) {
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		printf("wrong exit code %d\n", q);
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		e(13);
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		quit();
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	}
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  } else {
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	/* Child code */
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	close(fd[1]);
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	for (q = 0; q < 32; q++) {
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		n = read(fd[0], buf, 512);
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		if (n != 512) {
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			printf("read yielded %d bytes, not 512\n", n);
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			e(14);
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			quit();
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		}
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		for (j = 0; j < n; j++)
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			if ((buf[j] & 0377) != (kk & 0377)) {
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				printf("wrong data: %d %d %d \n ", 
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						j, buf[j] & 0377, kk & 0377);
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			} else {
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				kk++;
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			}
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	}
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	exit(58);
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  }
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}
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void test2b()
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{
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  int fd[2], n;
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  char buf[4];
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  subtest = 2;
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  sigct = 0;
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  signal(SIGPIPE, sigpip);
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  pipe(fd);
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  if (fork()) {
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	/* Parent */
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	close(fd[0]);
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	while (sigct == 0) {
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		write(fd[1], buf, 1);
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	}
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	wait(&n);
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  } else {
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	/* Child */
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	close(fd[0]);
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	close(fd[1]);
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	exit(0);
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  }
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}
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void test2c()
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{
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  int n;
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  subtest = 3;
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  signal(SIGINT, SIG_DFL);
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  is = 0;
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  if ((array[is++] = fork()) > 0) {
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	if ((array[is++] = fork()) > 0) {
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		if ((array[is++] = fork()) > 0) {
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			if ((array[is++] = fork()) > 0) {
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				signal(SIGINT, SIG_IGN);
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				kill(array[0], SIGINT);
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				kill(array[1], SIGINT);
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				kill(array[2], SIGINT);
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				kill(array[3], SIGINT);
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				wait(&n);
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				wait(&n);
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				wait(&n);
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				wait(&n);
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			} else {
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				pause();
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			}
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		} else {
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			pause();
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		}
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	} else {
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		pause();
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	}
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  } else {
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	pause();
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  }
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}
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void test2d()
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{
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  int pid, stat_loc, s;
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  /* Test waitpid. */
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  subtest = 4;
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  /* Test waitpid(pid, arg2, 0) */
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  pid = fork();
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  if (pid < 0) e(1);
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  if (pid > 0) {
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	/* Parent. */
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	s = waitpid(pid, &stat_loc, 0);
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	if (s != pid) e(2);
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	if (WIFEXITED(stat_loc) == 0) e(3);
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	if (WIFSIGNALED(stat_loc) != 0) e(4);
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	if (WEXITSTATUS(stat_loc) != 22) e(5);
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  } else {
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	/* Child */
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	exit(22);
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  }
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  /* Test waitpid(-1, arg2, 0) */
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  pid = fork();
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  if (pid < 0) e(6);
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  if (pid > 0) {
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	/* Parent. */
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	s = waitpid(-1, &stat_loc, 0);
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	if (s != pid) e(7);
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	if (WIFEXITED(stat_loc) == 0) e(8);
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	if (WIFSIGNALED(stat_loc) != 0) e(9);
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	if (WEXITSTATUS(stat_loc) != 33) e(10);
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  } else {
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	/* Child */
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	exit(33);
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  }
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  /* Test waitpid(0, arg2, 0) */
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  pid = fork();
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  if (pid < 0) e(11);
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  if (pid > 0) {
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	/* Parent. */
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	s = waitpid(0, &stat_loc, 0);
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	if (s != pid) e(12);
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	if (WIFEXITED(stat_loc) == 0) e(13);
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	if (WIFSIGNALED(stat_loc) != 0) e(14);
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	if (WEXITSTATUS(stat_loc) != 44) e(15);
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  } else {
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	/* Child */
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	exit(44);
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  }
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  /* Test waitpid(0, arg2, WNOHANG) */
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  signal(SIGTERM, SIG_DFL);
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  pid = fork();
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  if (pid < 0) e(16);
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  if (pid > 0) {
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	/* Parent. */
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	s = waitpid(0, &stat_loc, WNOHANG);
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	if (s != 0) e(17);
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	if (kill(pid, SIGTERM) != 0) e(18);
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	if (waitpid(pid, &stat_loc, 0) != pid) e(19);
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	if (WIFEXITED(stat_loc) != 0) e(20);
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	if (WIFSIGNALED(stat_loc) == 0) e(21);
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	if (WTERMSIG(stat_loc) != SIGTERM) e(22);
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  } else {
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	/* Child */
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	pause();
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  }
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  /* Test some error conditions. */
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  errno = 9999;
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  if (waitpid(0, &stat_loc, 0) != -1) e(23);
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  if (errno != ECHILD) e(24);
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  errno = 9999;
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  if (waitpid(0, &stat_loc, WNOHANG) != -1) e(25);
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  if (errno != ECHILD) e(26);
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}
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void test2e()
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{
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  int pid1, pid2, stat_loc, s;
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  /* Test waitpid with two children. */
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  subtest = 5;
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  if (iteration > 1) return;		/* slow test, don't do it too much */
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  if ( (pid1 = fork())) {
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	/* Parent. */
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	if ( (pid2 = fork()) ) {
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		/* Parent. Collect second child first. */
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		s = waitpid(pid2, &stat_loc, 0);
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		if (s != pid2) e(1);
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		if (WIFEXITED(stat_loc) == 0) e(2);
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		if (WIFSIGNALED(stat_loc) != 0) e(3);
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		if (WEXITSTATUS(stat_loc) != 222) e(4);
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		/* Now collect first child. */
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		s = waitpid(pid1, &stat_loc, 0);
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		if (s != pid1) e(5);
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		if (WIFEXITED(stat_loc) == 0) e(6);
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		if (WIFSIGNALED(stat_loc) != 0) e(7);
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		if (WEXITSTATUS(stat_loc) != 111) e(8);
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	} else {
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		/* Child 2. */
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		sleep(2);		/* child 2 delays before exiting. */
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		exit(222);
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	}
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  } else {
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	/* Child 1. */
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	exit(111);			/* child 1 exits immediately */
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  }
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}
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void test2f()
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{
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/* test getpid, getppid, getuid, etc. */
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  pid_t pid, pid1, ppid, cpid, stat_loc, err;
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  subtest = 6;
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  errno = -2000;
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  err = 0;
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  pid = getpid();
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  if ( (pid1 = fork())) {
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	/* Parent.  Do nothing. */
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	if (wait(&stat_loc) != pid1) e(1);
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	if (WEXITSTATUS(stat_loc) != (pid1 & 0377)) e(2);
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  } else {
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	/* Child.  Get ppid. */
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	cpid = getpid();
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	ppid = getppid();
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	if (ppid != pid) err = 3;
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	if (cpid == ppid) err = 4;
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	exit(cpid & 0377);
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  }
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  if (err != 0) e(err);
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}
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void test2g()
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{
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/* test time(), times() */
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  time_t t1, t2;
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  clock_t t3, t4;
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  long clocks_per_sec;
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  struct tms tmsbuf;
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  subtest = 7;
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  errno = -7000;
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  clocks_per_sec = sysconf(_SC_CLK_TCK);
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  /* First time(). */
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  t1 = -1;
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  t2 = -2;
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  t1 = time(&t2);
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  if (t1 < 650000000L) e(1);	/* 650000000 is Sept. 1990 */
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  if (t1 != t2) e(2);
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  t1 = -1;
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  t1 = time( (time_t *) NULL);
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  if (t1 < 650000000L) e(3);
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  t3 = times(&tmsbuf);
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  sleep(1);
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  t2 = time( (time_t *) NULL);
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  if (t2 < 0L) e(4);
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  if (t2 - t1 < 1) e(5);
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  /* Now times(). */
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  t4 = times(&tmsbuf);
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  if (t4 == (clock_t) -1) e(6);
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  if (t4 - t3 < clocks_per_sec) e(7);
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}
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void sigpip(s)
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int s;				/* for ANSI */
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{
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  sigct++;
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  cumsig++;
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}
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