1 files changed, 43 insertions, 0 deletions
diff --git a/tests/spin2.c b/tests/spin2.c
new file mode 100644
index 0000000..4a6a2bb
--- /dev/null
+++ b/tests/spin2.c
@@ -0,0 +1,43 @@
+/* 
+ * spin2.c
+ *
+ * Declare a spinlock object, lock it, trylock it, 
+ * and then unlock it again.
+ *
+ */
+
+#include "test.h"
+ 
+pthread_spinlock_t lock = NULL;
+
+static int washere = 0;
+
+void * func(void * arg)
+{
+  assert(pthread_spin_trylock(&lock) == EBUSY);
+
+  washere = 1;
+
+  return 0; 
+}
+ 
+int
+main()
+{
+  pthread_t t;
+
+  assert(pthread_spin_init(&lock, PTHREAD_PROCESS_PRIVATE) == 0);
+
+  assert(pthread_spin_lock(&lock) == 0);
+
+  assert(pthread_create(&t, NULL, func, NULL) == 0);
+  assert(pthread_join(t, NULL) == 0);
+
+  assert(pthread_spin_unlock(&lock) == 0);
+
+  assert(pthread_spin_destroy(&lock) == 0);
+
+  assert(washere == 1);
+
+  return 0;
+}