X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/060df5ea7c632b1ac8cc8aac1fb59758165c2084..6d2010ae8f7a6078e10b361c6962983bab233e0f:/tools/tests/xnu_quick_test/atomic_fifo_queue_test.c

diff --git a/tools/tests/xnu_quick_test/atomic_fifo_queue_test.c b/tools/tests/xnu_quick_test/atomic_fifo_queue_test.c
new file mode 100644
index 000000000..06a0e809f
--- /dev/null
+++ b/tools/tests/xnu_quick_test/atomic_fifo_queue_test.c
@@ -0,0 +1,33 @@
+#if defined(i386) || defined(__x86_64__)
+
+#include <libkern/OSAtomic.h>
+#include <stdio.h>
+#include <string.h>
+#include <err.h>
+
+typedef struct {
+	void *next;
+	char *str;
+} QueueNode;
+
+int atomic_fifo_queue_test( void *the_argp ) {
+	OSFifoQueueHead head = OS_ATOMIC_FIFO_QUEUE_INIT;
+	char *str1 = "String 1", *str2 = "String 2";
+	QueueNode node1 = { 0, str1 };
+	OSAtomicFifoEnqueue(&head, &node1, 0);
+	QueueNode node2 = { 0, str2 };
+	OSAtomicFifoEnqueue(&head, &node2, 0);
+	QueueNode *node_ptr = OSAtomicFifoDequeue(&head, 0);
+	if( strcmp(node_ptr->str, str1) != 0 ) {
+		warnx("OSAtomicFifoDequeue returned incorrect string. Expected %s, got %s", str1, node_ptr->str);
+		return 1;
+	}
+	node_ptr = OSAtomicFifoDequeue(&head, 0);
+	if( strcmp(node_ptr->str, str2) != 0 ) {
+		warnx("OSAtomicFifoDequeue returned incorrect string. Expected %s, got %s", str2, node_ptr->str);
+		return 1;
+	}
+	return 0;
+}
+
+#endif