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authorrpj <rpj>1999-09-15 01:11:56 +0000
committerrpj <rpj>1999-09-15 01:11:56 +0000
commitf17d0128796f76027851590299f1f43e48ec71b6 (patch)
tree3135883b8746682e604c1db68770af4a1e4381c2 /tests/rwlock5.c
parent9031537658e89136c6a5bb959f9b9a4338a5d056 (diff)
Sep 15 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au>
* rwlock5.c: New test.
Diffstat (limited to 'tests/rwlock5.c')
-rw-r--r--tests/rwlock5.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/rwlock5.c b/tests/rwlock5.c
new file mode 100644
index 0000000..55a4f35
--- /dev/null
+++ b/tests/rwlock5.c
@@ -0,0 +1,46 @@
+/*
+ * rwlock5.c
+ *
+ * Declare a static rwlock object, rdlock it, tryrdlock it,
+ * and then unlock it again.
+ *
+ * Depends on API functions:
+ * pthread_rwlock_rdlock()
+ * pthread_rwlock_tryrdlock()
+ * pthread_rwlock_unlock()
+ */
+
+#include "test.h"
+
+pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER;
+
+static int washere = 0;
+
+void * func(void * arg)
+{
+ assert(pthread_rwlock_tryrdlock(&rwlock1) == 0);
+
+ assert(pthread_rwlock_unlock(&rwlock1) == 0);
+
+ 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;
+}