From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001 From: Vladimir Azarov Date: Tue, 1 Oct 2024 15:47:05 +0200 Subject: Initial version --- src/thread/pthread_join.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/thread/pthread_join.c (limited to 'src/thread/pthread_join.c') diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c new file mode 100644 index 0000000..17dae85 --- /dev/null +++ b/src/thread/pthread_join.c @@ -0,0 +1,40 @@ +#define _GNU_SOURCE +#include "pthread_impl.h" +#include + +static void dummy1(pthread_t t) +{ +} +weak_alias(dummy1, __tl_sync); + +static int __pthread_timedjoin_np(pthread_t t, void **res, const struct timespec *at) +{ + int state, cs, r = 0; + __pthread_testcancel(); + __pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); + if (cs == PTHREAD_CANCEL_ENABLE) __pthread_setcancelstate(cs, 0); + while ((state = t->detach_state) && r != ETIMEDOUT && r != EINVAL) { + if (state >= DT_DETACHED) a_crash(); + r = __timedwait_cp(&t->detach_state, state, CLOCK_REALTIME, at, 1); + } + __pthread_setcancelstate(cs, 0); + if (r == ETIMEDOUT || r == EINVAL) return r; + __tl_sync(t); + 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) +{ + return __pthread_timedjoin_np(t, res, 0); +} + +static int __pthread_tryjoin_np(pthread_t t, void **res) +{ + return t->detach_state==DT_JOINABLE ? 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); -- cgit v1.2.3