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#include <pthread.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
void *slavethread(void *arg)
{
while (1)
pause();
}
int main(int argc, char **argv)
{
const struct timespec alittle = { 0, 1000000000 / 100 }; // 0.01 seconds.
int i;
for (i = 0; i < 10; i++) {
pthread_t slave;
if (pthread_create(&slave, 0, slavethread, 0)) {
perror("pthread_create");
exit(2);
}
}
pid_t pid = getpid();
switch (fork()) {
case 0: // child
sleep(2); // Should be enough to ensure (some) threads are created
for (i = 0; i < 20 && kill(pid, SIGTERM) == 0; i++)
nanosleep(&alittle, NULL);
exit(0);
case -1:
perror("fork");
exit(4);
}
while (1)
pause();
fprintf(stderr, "strange, this program is supposed to be killed!\n");
return 1;
}
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