154 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			154 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* test 10 */
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| 
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| #include <sys/types.h>
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| #include <sys/wait.h>
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| #include <errno.h>
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| #include <fcntl.h>
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| #include <stdlib.h>
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| #include <unistd.h>
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| #include <stdio.h>
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| 
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| char *name[] = {"t10a", "t10b", "t10c", "t10d", "t10e", "t10f", "t10g", 
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| 						      "t10h", "t10i", "t10j"};
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| int errct;
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| long prog[300];
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| int psize;
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| 
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| _PROTOTYPE(int main, (void));
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| _PROTOTYPE(void spawn, (int n));
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| _PROTOTYPE(void mkfiles, (void));
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| _PROTOTYPE(void cr_file, (char *name, int size));
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| _PROTOTYPE(void rmfiles, (void));
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| _PROTOTYPE(void quit, (void));
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| 
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| int main()
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| {
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|   int i, n, pid, r;
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| 
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|   printf("Test 10 ");
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|   fflush(stdout);		/* have to flush for child's benefit */
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| 
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|   system("rm -rf DIR_10; mkdir DIR_10; cp t10a DIR_10");
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|   chdir("DIR_10");
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| 
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|   pid = getpid();
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| 
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|   /* Create files t10b ... t10h */
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|   mkfiles();
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| 
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|   if (getpid() == pid)
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| 	if (fork() == 0) {
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| 		execl("t10a", (char *) 0);
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| 		exit(0);
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| 	}
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|   if (getpid() == pid)
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| 	if (fork() == 0) {
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| 		execl("t10b", (char *) 0);
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| 		exit(0);
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| 	}
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|   if (getpid() == pid)
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| 	if (fork() == 0) {
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| 		execl("t10c", (char *) 0);
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| 		exit(0);
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| 	}
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|   if (getpid() == pid)
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| 	if (fork() == 0) {
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| 		execl("t10d", (char *) 0);
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| 		exit(0);
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| 	}
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| 
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|   srand(100);
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|   for (i = 0; i < 60; i++) {
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| 	r = rand() & 07;
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| 	spawn(r);
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|   }
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| 
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|   for (i = 0; i < 4; i++) wait(&n);
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|   rmfiles();
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|   quit();
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|   return(-1);			/* impossible */
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| }
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| 
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| void spawn(n)
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| int n;
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| {
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|   int pid, k;
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| 
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|   if (pid = fork()) {
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| 	wait(&n);		/* wait for some child (any one) */
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|   } else {
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| 	k = execl(name[n], (char *) 0);
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| 	errct++;
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| 	printf("Child execl didn't take. file=%s errno=%d\n", name[n], errno);
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| 	rmfiles();
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| 	exit(1);
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| 	printf("Worse yet, EXIT didn't exit\n");
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|   }
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| }
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| 
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| void mkfiles()
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| {
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|   int fd;
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|   fd = open("t10a", 0);
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|   if (fd < 0) {
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| 	printf("Can't open t10a\n");
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| 	exit(1);
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|   }
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|   psize = read(fd, (char *) prog, 300 * 4);
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|   cr_file("t10b", 1600);
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|   cr_file("t10c", 1400);
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|   cr_file("t10d", 2300);
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|   cr_file("t10e", 3100);
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|   cr_file("t10f", 2400);
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|   cr_file("t10g", 1700);
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|   cr_file("t10h", 1500);
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|   cr_file("t10i", 4000);
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|   cr_file("t10j", 2250);
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|   close(fd);
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| }
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| 
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| 
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| void cr_file(name, size)
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| char *name;
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| int size;
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| 
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| {
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|   int fd;
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| 
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| #if (CHIP == SPARC)
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|   size += 4000;
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| #endif
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|   prog[6] = (long) size;
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|   fd = creat(name, 0755);
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|   write(fd, (char *) prog, psize);
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|   close(fd);
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| }
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| 
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| void rmfiles()
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| {
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|   unlink("t10b");
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|   unlink("t10c");
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|   unlink("t10d");
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|   unlink("t10e");
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|   unlink("t10f");
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|   unlink("t10g");
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|   unlink("t10h");
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|   unlink("t10i");
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|   unlink("t10j");
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| }
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| 
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| void quit()
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| {
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| 
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|   chdir("..");
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|   system("rm -rf DIR*");
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| 
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|   if (errct == 0) {
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| 	printf("ok\n");
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| 	exit(0);
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|   } else {
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| 	printf("%d errors\n", errct);
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| 	exit(1);
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|   }
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| }
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