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authorrpj <rpj>2002-02-23 02:11:58 +0000
committerrpj <rpj>2002-02-23 02:11:58 +0000
commit83c386f353cc7d5fbd761da541083cdbeee5c3a6 (patch)
tree7ed7fe0e7bb3932a56673fa8d239b90dedc6bd08 /ptw32_rwlock_cancelwrwait.c
parent6b1e904f36dd621b2bcaf813a43dba8c836d20b3 (diff)
Add missing file.
Diffstat (limited to 'ptw32_rwlock_cancelwrwait.c')
-rw-r--r--ptw32_rwlock_cancelwrwait.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/ptw32_rwlock_cancelwrwait.c b/ptw32_rwlock_cancelwrwait.c
new file mode 100644
index 0000000..719861a
--- /dev/null
+++ b/ptw32_rwlock_cancelwrwait.c
@@ -0,0 +1,50 @@
+/*
+ * ptw32_rwlock_cancelwrwait.c
+ *
+ * Description:
+ * This translation unit implements read/write lock primitives.
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Pthreads-win32 - POSIX Threads Library for Win32
+ * Copyright(C) 1998 John E. Bossom
+ * Copyright(C) 1999,2002 Pthreads-win32 contributors
+ *
+ * Contact Email: rpj@ise.canberra.edu.au
+ *
+ * The current list of contributors is contained
+ * in the file CONTRIBUTORS included with the source
+ * code distribution. The list can also be seen at the
+ * following World Wide Web location:
+ * http://sources.redhat.com/pthreads-win32/contributors.html
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library in the file COPYING.LIB;
+ * if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "pthread.h"
+#include "implement.h"
+
+void
+ptw32_rwlock_cancelwrwait(void * arg)
+{
+ pthread_rwlock_t rwl = (pthread_rwlock_t) arg;
+
+ rwl->nSharedAccessCount = -rwl->nCompletedSharedAccessCount;
+ rwl->nCompletedSharedAccessCount = 0;
+
+ (void) pthread_mutex_unlock(&(rwl->mtxSharedAccessCompleted));
+ (void) pthread_mutex_unlock(&(rwl->mtxExclusiveAccess));
+}