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/*
* mystop.c - Another handy routine for testing your tiny shell
*
* usage: mystop <n>
* Sleeps for <n> seconds and sends SIGTSTP to itself.
*
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
int main(int argc, char **argv)
{
int i, secs;
pid_t pid;
if (argc != 2) {
fprintf(stderr, "Usage: %s <n>\n", argv[0]);
exit(0);
}
secs = atoi(argv[1]);
for (i=0; i < secs; i++)
sleep(1);
pid = getpid();
if (kill(-pid, SIGTSTP) < 0)
fprintf(stderr, "kill (tstp) error");
exit(0);
}
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