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