blob: 9c07792dd1537ebd845a48f020f1ad833917261d [file] [log] [blame]
#include <unistd.h>
#include <signal.h>
#include "syscall.h"
#include "libc.h"
#include "lock.h"
#include "pthread_impl.h"
#include "aio_impl.h"
#include "fork_impl.h"
static void dummy(int x) { }
weak_alias(dummy, __aio_atfork);
void __post_Fork(int ret)
{
if (!ret) {
pthread_t self = __pthread_self();
self->tid = __syscall(SYS_set_tid_address, &__thread_list_lock);
self->robust_list.off = 0;
self->robust_list.pending = 0;
self->next = self->prev = self;
__thread_list_lock = 0;
libc.threads_minus_1 = 0;
if (libc.need_locks) libc.need_locks = -1;
}
UNLOCK(__abort_lock);
if (!ret) __aio_atfork(1);
}
pid_t _Fork(void)
{
pid_t ret;
sigset_t set;
__block_all_sigs(&set);
LOCK(__abort_lock);
#ifdef SYS_fork
ret = __syscall(SYS_fork);
#else
ret = __syscall(SYS_clone, SIGCHLD, 0);
#endif
__post_Fork(ret);
__restore_sigs(&set);
return __syscall_ret(ret);
}