1 #define _GNU_SOURCE
2 #include "pthread_impl.h"
3 #include <sys/mman.h>
4
dummy1(pthread_t t)5 static void dummy1(pthread_t t)
6 {
7 }
8 weak_alias(dummy1, __tl_sync);
9
__pthread_timedjoin_np(pthread_t t,void ** res,const struct timespec * at)10 static 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
__pthread_join(pthread_t t,void ** res)28 int __pthread_join(pthread_t t, void **res)
29 {
30 return __pthread_timedjoin_np(t, res, 0);
31 }
32
__pthread_tryjoin_np(pthread_t t,void ** res)33 static int __pthread_tryjoin_np(pthread_t t, void **res)
34 {
35 return t->detach_state==DT_JOINABLE ? EBUSY : __pthread_join(t, res);
36 }
37
38 weak_alias(__pthread_tryjoin_np, pthread_tryjoin_np);
39 weak_alias(__pthread_timedjoin_np, pthread_timedjoin_np);
40 weak_alias(__pthread_join, pthread_join);
41