1 files changed, 76 insertions, 0 deletions
diff --git a/pthreads/tests/rwlock4.c b/pthreads/tests/rwlock4.c
new file mode 100644
index 000000000..edd9dc2c3
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+++ b/pthreads/tests/rwlock4.c
@@ -0,0 +1,76 @@
+/* 
+ * rwlock4.c
+ *
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      Pthreads-win32 - POSIX Threads Library for Win32
+ *      Copyright(C) 1998 John E. Bossom
+ *      Copyright(C) 1999,2005 Pthreads-win32 contributors
+ * 
+ *      Contact Email: rpj@callisto.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
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Declare a static rwlock object, rdlock it, trywrlock it, 
+ * and then unlock it again.
+ *
+ * Depends on API functions: 
+ *	pthread_rwlock_rdlock()
+ *	pthread_rwlock_trywrlock()
+ *	pthread_rwlock_unlock()
+ */
+
+#include "test.h"
+ 
+pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER;
+
+static int washere = 0;
+
+void * func(void * arg)
+{
+  assert(pthread_rwlock_trywrlock(&rwlock1) == EBUSY);
+
+  washere = 1;
+
+  return 0; 
+}
+ 
+int
+main()
+{
+  pthread_t t;
+
+  assert(pthread_rwlock_rdlock(&rwlock1) == 0);
+
+  assert(pthread_create(&t, NULL, func, NULL) == 0);
+
+  Sleep(2000);
+
+  assert(pthread_rwlock_unlock(&rwlock1) == 0);
+
+  assert(washere == 1);
+
+  return 0;
+}