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_wrlock.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 src/thread/pthread_rwlock_wrlock.c (limited to 'src/thread/pthread_rwlock_wrlock.c') diff --git a/src/thread/pthread_rwlock_wrlock.c b/src/thread/pthread_rwlock_wrlock.c new file mode 100644 index 00000000..219e924a --- /dev/null +++ b/src/thread/pthread_rwlock_wrlock.c @@ -0,0 +1,13 @@ +#include "pthread_impl.h" + +int pthread_rwlock_wrlock(pthread_rwlock_t *rw) +{ + int nr; + while (pthread_rwlock_trywrlock(rw)==EAGAIN) { + if ((nr=rw->__readers)) + __wait(&rw->__readers, &rw->__waiters, nr, 0); + else + __wait(&rw->__wrlock, &rw->__waiters, 1, 0); + } + return 0; +} -- cgit v1.2.1