musl/src/process/fork.c

19 lines
424 B
C

#include <unistd.h>
#include "syscall.h"
#include "libc.h"
#include "pthread_impl.h"
pid_t fork(void)
{
pid_t ret;
if (libc.fork_handler) libc.fork_handler(-1);
ret = syscall0(__NR_fork);
if (libc.lock && !ret) {
pthread_t self = __pthread_self();
self->pid = syscall0(__NR_getpid);
self->tid = syscall0(__NR_gettid);
libc.threads_minus_1 = 0;
}
if (libc.fork_handler) libc.fork_handler(!ret);
return ret;
}