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Telegram/ThirdParty/dispatch/tests/dispatch_cf_main.c

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+/*
+ * Copyright (c) 2010-2011 Apple Inc. All rights reserved.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_START@
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_END@
+ */
+
+#include <dispatch/dispatch.h>
+#include <stdio.h>
+#include <CoreFoundation/CoreFoundation.h>
+#ifdef __APPLE__
+#include <libkern/OSAtomic.h>
+#endif
+
+#include <bsdtests.h>
+#include "dispatch_test.h"
+
+const int32_t final = 10;
+static volatile int32_t count;
+
+static void
+work(void* ctxt __attribute__((unused)))
+{
+	int32_t c = OSAtomicIncrement32(&count);
+	if (c < final-1) {
+		dispatch_async_f(dispatch_get_main_queue(), NULL, work);
+		CFRunLoopPerformBlock(CFRunLoopGetMain(), kCFRunLoopDefaultMode, ^{
+			fprintf(stderr, "CFRunLoopPerformBlock %d\n", c);
+			test_long_less_than("CFRunLoopPerformBlock", count, final);
+		});
+	}
+}
+
+int
+main(void)
+{
+	dispatch_test_start("Dispatch CF main queue"); // <rdar://problem/7760523>
+	dispatch_async_f(dispatch_get_main_queue(), NULL, work);
+	dispatch_async_f(dispatch_get_main_queue(), NULL, work);
+	dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC),
+			dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+		test_long("done", count, final);
+		test_stop();
+	});
+	CFRunLoopRun();
+
+	return 0;
+}