File: pth_2sig.c

package info (click to toggle)
valgrind 1%3A3.16.1-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 158,568 kB
  • sloc: ansic: 746,130; exp: 26,134; xml: 22,708; asm: 13,570; cpp: 7,691; makefile: 6,177; perl: 5,965; sh: 5,665; javascript: 929
file content (42 lines) | stat: -rw-r--r-- 892 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#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)
{
    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++)
                ;
            exit(0);
        case -1:
            perror("fork");
            exit(4);
    }

    while (1)
        pause(); 
    fprintf(stderr, "strange, this program is supposed to be killed!\n");
    return 1;
}