Files
KirkOS/user/include/mlibc/tests/posix/vfork.c
T
kaguya 9a9b91c940 user: implement mlibc as the libc, finally.
It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>
2026-05-02 03:31:49 -04:00

31 lines
469 B
C

#include <assert.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
void prevent_atforks(void){
exit(1);
}
int main() {
pid_t pid;
int status;
assert(!pthread_atfork(prevent_atforks, NULL, NULL));
switch (pid = vfork()) {
case -1:
perror("vfork");
abort();
case 0:
_exit(12);
default: break;
}
assert(wait(&status) == pid);
assert(WIFEXITED(status) && WEXITSTATUS(status) == 12);
return 0;
}