X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_cond_timedwait.c;h=c71edc95bc8274473de5056447d384eea9af4c62;hp=228f61f706e4cf03e9bea6ad735db685ce371b34;hb=97c5b5a87c3d9df54278e1073d6177f77536bd32;hpb=5fd4a9816573a3b6a244b73b84ce0cec871321da diff --git a/src/thread/pthread_cond_timedwait.c b/src/thread/pthread_cond_timedwait.c index 228f61f7..c71edc95 100644 --- a/src/thread/pthread_cond_timedwait.c +++ b/src/thread/pthread_cond_timedwait.c @@ -1,26 +1,40 @@ #include "pthread_impl.h" -static void relock(void *m) +struct cm { + pthread_cond_t *c; + pthread_mutex_t *m; +}; + +static void cleanup(void *p) { - pthread_mutex_lock(m); + struct cm *cm = p; + a_dec(&cm->c->_c_waiters); + pthread_mutex_lock(cm->m); } int pthread_cond_timedwait(pthread_cond_t *c, pthread_mutex_t *m, const struct timespec *ts) { - int r, e=0; - CANCELPT(0); + struct cm cm = { .c=c, .m=m }; + int r, e, tid; + + if (ts && ts->tv_nsec >= 1000000000UL) + return EINVAL; + + pthread_testcancel(); + + a_inc(&c->_c_waiters); + c->_c_block = tid = pthread_self()->tid; - pthread_cleanup_push(relock, m); - c->_c_block = 1; if ((r=pthread_mutex_unlock(m))) return r; - CANCELPT(1); - e = __timedwait(&c->_c_block, 1, c->_c_clock, ts, 0); - CANCELPT(0); + do e = __timedwait(&c->_c_block, tid, c->_c_clock, ts, cleanup, &cm, 0); + while (c->_c_block == tid && (!e || e==EINTR)); + if (e == EINTR) e = 0; + + a_dec(&c->_c_waiters); - pthread_cleanup_pop(0); if ((r=pthread_mutex_lock(m))) return r; - CANCELPT(0); + pthread_testcancel(); return e; }