none/tests/pth_2sig.c

   1 #include <pthread.h>
   2 #include <signal.h>
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <string.h>
   6 #include <unistd.h>
   7 #include <sys/wait.h>
   8
   9 void *slavethread(void *arg)
  10 {
  11     while (1)
  12         pause();
  13 }
  14
  15 int main(int argc, char **argv)
  16 {
  17     int i;
  18     for (i = 0; i < 10; i++) {
  19         pthread_t slave;
  20         if (pthread_create(&slave, 0, slavethread, 0)) {
  21             perror("pthread_create");
  22             exit(2);
  23         }
  24     }
  25
  26     pid_t pid = getpid();
  27     switch (fork()) {
  28         case 0: // child
  29             sleep(2); // Should be enough to ensure (some) threads are created
  30             for (i = 0; i < 20 && kill(pid, SIGTERM) == 0; i++)
  31                 ;
  32             exit(0);
  33         case -1:
  34             perror("fork");
  35             exit(4);
  36     }
  37
  38     while (1)
  39         pause();
  40     fprintf(stderr, "strange, this program is supposed to be killed!\n");
  41     return 1;
  42 }