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| author | Robert Collins <rbtcollins@hotmail.com> | 2001-09-30 14:39:55 +0000 |
|---|---|---|
| committer | Robert Collins <rbtcollins@hotmail.com> | 2001-09-30 14:39:55 +0000 |
| commit | 38102913c804196b69ffd4d60e5631f082c5a66e (patch) | |
| tree | 5f13c7971a2017dddcc663e17c1304405906ec1b | |
| parent | aab2a5da9e2055b99595aa9fe238bb5c824fd737 (diff) | |
| download | cygnal-38102913c804196b69ffd4d60e5631f082c5a66e.tar.gz cygnal-38102913c804196b69ffd4d60e5631f082c5a66e.tar.bz2 cygnal-38102913c804196b69ffd4d60e5631f082c5a66e.zip | |
Mon Oct 1 00:34:00 2001 Robert Collins <rbtcollins@hotmail.com>
* thread.cc (pthread_cond_dowait): Hopefully eliminate a race on multiple thread
wakeups.
| -rw-r--r-- | winsup/cygwin/ChangeLog | 5 | ||||
| -rw-r--r-- | winsup/cygwin/thread.cc | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index b3917b34d..da24a0be8 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,8 @@ +Mon Oct 1 00:34:00 2001 Robert Collins <rbtcollins@hotmail.com> + + * thread.cc (pthread_cond_dowait): Hopefully eliminate a race on multiple thread + wakeups. + Sat Sep 29 18:26:00 2001 Robert Collins <rbtcollins@hotmail.com> * pthread.cc (pthread_cond_timedwait): Deleted - exported from thread.cc. diff --git a/winsup/cygwin/thread.cc b/winsup/cygwin/thread.cc index c952bd774..8b6f1b6d6 100644 --- a/winsup/cygwin/thread.cc +++ b/winsup/cygwin/thread.cc @@ -1773,8 +1773,8 @@ __pthread_cond_dowait (pthread_cond_t *cond, pthread_mutex_t *mutex, bool last = false; if (InterlockedDecrement (&((*cond)->waiting)) == 0) last = true; - (*cond)->mutex->Lock (); - if (last) + (*themutex)->Lock (); + if (last == true) (*cond)->mutex = NULL; if (pthread_mutex_lock (&(*cond)->cond_access)) system_printf ("Failed to lock condition variable access mutex, this %0p\n", *cond); |