From 2fe8aba6a8a4ce09f353f34881c77f93a9c01ca3 Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Fri, 6 May 2011 02:11:50 +0000
Subject: Robust mutexes merged from devel branch

---
 pthread_win32_attach_detach_np.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'pthread_win32_attach_detach_np.c')

diff --git a/pthread_win32_attach_detach_np.c b/pthread_win32_attach_detach_np.c
index 8116dd7..65e0913 100644
--- a/pthread_win32_attach_detach_np.c
+++ b/pthread_win32_attach_detach_np.c
@@ -190,15 +190,35 @@ pthread_win32_thread_detach_np ()
 
       if (sp != NULL) // otherwise Win32 thread with no implicit POSIX handle.
 	{
+          ptw32_mcs_local_node_t stateLock;
 	  ptw32_callUserDestroyRoutines (sp->ptHandle);
 
-	  (void) pthread_mutex_lock (&sp->cancelLock);
+	  ptw32_mcs_lock_acquire (&sp->stateLock, &stateLock);
 	  sp->state = PThreadStateLast;
 	  /*
 	   * If the thread is joinable at this point then it MUST be joined
 	   * or detached explicitly by the application.
 	   */
-	  (void) pthread_mutex_unlock (&sp->cancelLock);
+	  ptw32_mcs_lock_release (&stateLock);
+
+          /*
+           * Robust Mutexes
+           */
+          while (sp->robustMxList != NULL)
+            {
+              pthread_mutex_t mx = sp->robustMxList->mx;
+              ptw32_robust_mutex_remove(&mx, sp);
+              (void) PTW32_INTERLOCKED_EXCHANGE(
+                       (LPLONG)&mx->robustNode->stateInconsistent,
+                       -1L);
+              /*
+               * If there are no waiters then the next thread to block will
+               * sleep, wakeup immediately and then go back to sleep.
+               * See pthread_mutex_lock.c.
+               */
+              SetEvent(mx->event);
+            }
+
 
 	  if (sp->detachState == PTHREAD_CREATE_DETACHED)
 	    {
-- 
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