1 files changed, 101 insertions, 0 deletions
diff --git a/pthreads/tests/rwlock6.c b/pthreads/tests/rwlock6.c
new file mode 100644
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+++ b/pthreads/tests/rwlock6.c
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+/*
+ * rwlock6.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
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Check writer and reader locking
+ *
+ * Depends on API functions:
+ *      pthread_rwlock_rdlock()
+ *      pthread_rwlock_wrlock()
+ *      pthread_rwlock_unlock()
+ */
+
+#include "test.h"
+
+static pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER;
+
+static int bankAccount = 0;
+
+void * wrfunc(void * arg)
+{
+  int ba;
+
+  assert(pthread_rwlock_wrlock(&rwlock1) == 0);
+  Sleep(2000);
+  bankAccount += 10;
+  ba = bankAccount;
+  assert(pthread_rwlock_unlock(&rwlock1) == 0);
+
+  return ((void *) ba);
+}
+
+void * rdfunc(void * arg)
+{
+  int ba;
+
+  assert(pthread_rwlock_rdlock(&rwlock1) == 0);
+  ba = bankAccount;
+  assert(pthread_rwlock_unlock(&rwlock1) == 0);
+
+  return ((void *) ba);
+}
+
+int
+main()
+{
+  pthread_t wrt1;
+  pthread_t wrt2;
+  pthread_t rdt;
+  int wr1Result = 0;
+  int wr2Result = 0;
+  int rdResult = 0;
+
+  bankAccount = 0;
+
+  assert(pthread_create(&wrt1, NULL, wrfunc, NULL) == 0);
+  Sleep(500);
+  assert(pthread_create(&rdt, NULL, rdfunc, NULL) == 0);
+  Sleep(500);
+  assert(pthread_create(&wrt2, NULL, wrfunc, NULL) == 0);
+
+  assert(pthread_join(wrt1, (void **) &wr1Result) == 0);
+  assert(pthread_join(rdt, (void **) &rdResult) == 0);
+  assert(pthread_join(wrt2, (void **) &wr2Result) == 0);
+
+  assert(wr1Result == 10);
+  assert(rdResult == 10);
+  assert(wr2Result == 20);
+
+  return 0;
+}