X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_join.c;h=b7175c0937c15177d56b4a48b401db4d0d163092;hb=8c4be3e2209d2a1d3874b8bc2b474668fcbbbac6;hp=19e6b54861169f9ea7046672632c56f0a0981c2b;hpb=df7d0dfb9c686df31149d09008ba92834bed9803;p=musl diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c index 19e6b548..b7175c09 100644 --- a/src/thread/pthread_join.c +++ b/src/thread/pthread_join.c @@ -2,19 +2,36 @@ #include int __munmap(void *, size_t); +void __pthread_testcancel(void); +int __pthread_setcancelstate(int, int *); -static void dummy(void *p) +int __pthread_timedjoin_np(pthread_t t, void **res, const struct timespec *at) { + int tmp, cs, r = 0; + __pthread_testcancel(); + __pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); + if (cs == PTHREAD_CANCEL_ENABLE) __pthread_setcancelstate(cs, 0); + if (t->detached) a_crash(); + while ((tmp = t->tid) && r != ETIMEDOUT && r != EINVAL) + r = __timedwait_cp(&t->tid, tmp, CLOCK_REALTIME, at, 0); + __pthread_setcancelstate(cs, 0); + if (r == ETIMEDOUT || r == EINVAL) return r; + a_barrier(); + if (res) *res = t->result; + if (t->map_base) __munmap(t->map_base, t->map_size); + return 0; } int __pthread_join(pthread_t t, void **res) { - int tmp; - pthread_testcancel(); - while ((tmp = t->tid)) __timedwait(&t->tid, tmp, 0, 0, dummy, 0, 0); - if (res) *res = t->result; - if (t->map_base) __munmap(t->map_base, t->map_size); - return 0; + return __pthread_timedjoin_np(t, res, 0); +} + +int __pthread_tryjoin_np(pthread_t t, void **res) +{ + return t->tid ? EBUSY : __pthread_join(t, res); } +weak_alias(__pthread_tryjoin_np, pthread_tryjoin_np); +weak_alias(__pthread_timedjoin_np, pthread_timedjoin_np); weak_alias(__pthread_join, pthread_join);