/* $OpenBSD: main-thread-exited.c,v 1.2 2014/05/20 01:25:24 guenther Exp $ */
/* PUBLIC DOMAIN Mar 2012 <guenther@openbsd.org> */


#include <sys/types.h>
#include <sys/wait.h>
#include <err.h>
#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

void *
tmain(void *arg)
{
        sleep(1);
        printf("sending SIGKILL\n");
        kill(getpid(), SIGKILL);
        sleep(1);
        printf("still running!\n");
        exit(1);
}

int
main(int argc, char **argv)
{
        pid_t pid;
        pthread_t t;
        int r;

        pid = fork();
        if (pid == -1)
                err(1, "fork");
        if (pid > 0) {
                int status;

                if (waitpid(pid, &status, 0) != pid)
                        err(1, "waitpid");
                exit(! WIFSIGNALED(status) || WTERMSIG(status) != SIGKILL);
        }

        /* in child */
        if ((r = pthread_create(&t, NULL, tmain, NULL)))
                errc(1, r, "pthread_create");
        pthread_exit(NULL);
        abort();
}