test/test40.c

   1 /* Test40.c
   2  *
   3  * Test select(...) system call
   4  *
   5  */
   6
   7 #include <sys/types.h>
   8 #include <sys/wait.h>
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <stdarg.h>
  13
  14 int main(int argc, char **argv) {
  15   char *tests[] = {"t40a", "t40b", "t40c", "t40d", "t40e", "t40f"};
  16   int no_tests, i, forkres, status = 0, errorct = 0;
  17
  18   no_tests = sizeof(tests) / sizeof(char *);
  19
  20   printf("Test 40 ");
  21   fflush(stdout);
  22
  23   for(i = 0; i < no_tests; i++) {
  24     char subtest[2];
  25     sprintf(subtest, "%d", i+1);
  26
  27     forkres = fork();
  28     if(forkres == 0) { /* Child */
  29       execl(tests[i], tests[i], subtest, (char *) 0);
  30       printf("Failed to execute subtest %s\n", tests[i]);
  31       exit(-2);
  32     } else if(forkres > 0) { /* Parent */
  33       if(waitpid(forkres, &status, 0) > 0 && WEXITSTATUS(status) < 20) {
  34         errorct += WEXITSTATUS(status); /* Count errors */
  35       }
  36       status = 0; /* Reset */
  37     } else {
  38       printf("Failed to fork\n");
  39       exit(-2);
  40     }
  41   }
  42
  43   if(errorct == 0) {
  44     printf("ok\n");
  45     exit(0);
  46   } else {
  47     printf("%d error(s)\n", errorct);
  48     exit(1);
  49   }
  50
  51   return (-1); /* Impossible */
  52 }
  53