From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/thread/pthread_rwlock_timedrdlock.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 src/thread/pthread_rwlock_timedrdlock.c (limited to 'src/thread/pthread_rwlock_timedrdlock.c') diff --git a/src/thread/pthread_rwlock_timedrdlock.c b/src/thread/pthread_rwlock_timedrdlock.c new file mode 100644 index 00000000..290327de --- /dev/null +++ b/src/thread/pthread_rwlock_timedrdlock.c @@ -0,0 +1,15 @@ +#include "pthread_impl.h" + +int pthread_rwlock_timedrdlock(pthread_rwlock_t *rw, const struct timespec *at) +{ + int w=0; + while (pthread_rwlock_tryrdlock(rw)) { + if (!w) a_inc(&rw->__waiters), w++; + if (__timedwait(&rw->__wrlock, 1, CLOCK_REALTIME, at, 0)==ETIMEDOUT) { + if (w) a_dec(&rw->__waiters); + return ETIMEDOUT; + } + } + if (w) a_dec(&rw->__waiters); + return 0; +} -- cgit v1.2.1