tools/tests/unit_tests/semctl_test_8534495_src/semctl_test_8534495.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <sys/ipc.h>
   4 #include <sys/sem.h>
   5 #include <sys/stat.h>
   6
   7 int main(void) {
   8         key_t key;
   9
  10         if ((key = ftok(".", 1)) == (key_t)-1) {
  11                 perror("ftok");
  12                 exit(EXIT_FAILURE);
  13         }
  14
  15         int semid;
  16         if ((semid = semget(key, 1, IPC_CREAT | S_IRUSR | S_IWUSR)) == -1) {
  17                 perror("semget");
  18                 exit(EXIT_FAILURE);
  19         }
  20
  21         union semun arg;
  22
  23         /* Test for sem value > SEMVMX */
  24         arg.val = 32768;
  25         if (semctl(semid, 0, SETVAL, arg) == 0) {
  26                 printf("semctl should have failed for SETVAL 32768\n");
  27                 exit(EXIT_FAILURE);
  28         }
  29
  30         /* Test for sem value < 0 */
  31         arg.val = -1;
  32         if (semctl(semid, 0, SETVAL, arg) == 0) {
  33                 printf("semctl should have failed for SETVAL -1\n");
  34                 exit(EXIT_FAILURE);
  35         }
  36
  37         return 0;
  38 }