1#define _GNU_SOURCE
 2#include "pthread_impl.h"
 3#include <sys/mman.h>
 4
 5static void dummy1(pthread_t t)
 6{
 7}
 8weak_alias(dummy1, __tl_sync);
 9
10static int __pthread_timedjoin_np(pthread_t t, void **res, const struct timespec *at)
11{
12	int state, cs, r = 0;
13	__pthread_testcancel();
14	__pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
15	if (cs == PTHREAD_CANCEL_ENABLE) __pthread_setcancelstate(cs, 0);
16	while ((state = t->detach_state) && r != ETIMEDOUT && r != EINVAL) {
17		if (state >= DT_DETACHED) a_crash();
18		r = __timedwait_cp(&t->detach_state, state, CLOCK_REALTIME, at, 1);
19	}
20	__pthread_setcancelstate(cs, 0);
21	if (r == ETIMEDOUT || r == EINVAL) return r;
22	__tl_sync(t);
23	if (res) *res = t->result;
24	if (t->map_base) __munmap(t->map_base, t->map_size);
25	return 0;
26}
27
28int __pthread_join(pthread_t t, void **res)
29{
30	return __pthread_timedjoin_np(t, res, 0);
31}
32
33static int __pthread_tryjoin_np(pthread_t t, void **res)
34{
35	return t->detach_state==DT_JOINABLE ? EBUSY : __pthread_join(t, res);
36}
37
38weak_alias(__pthread_tryjoin_np, pthread_tryjoin_np);
39weak_alias(__pthread_timedjoin_np, pthread_timedjoin_np);
40weak_alias(__pthread_join, pthread_join);