sigqueue

#include
#include

#include
#include
#include

/* $ ./sigqueue signo pid val */
int main(int argc, char **argv)
{
      int ret;
      int signo;
      pid_t pid;
      int i;
      union sigval val;

      if (argc != 4) {
     fprintf(stderr, "argment...\n");
     return 1;
      }

      signo = atoi(argv[1]);
      pid = atoi(argv[2]);
      val.sival_int = atoi(argv[3]);

      printf("pid = %d\n", getpid());

      for (i = 0; i < 1; i++) {
     ret = sigqueue(pid, signo, val);
     if (ret == -1) {
    perror("kill()");
     }
      }

      return 0;
}