42 lines
1.0 KiB
Plaintext
42 lines
1.0 KiB
Plaintext
// RUN: %clang_tsan %s -o %t -framework Foundation
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// RUN: %run %t 2>&1 | FileCheck %s
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#import <Foundation/Foundation.h>
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long global;
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int main(int argc, const char *argv[]) {
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dispatch_queue_t target_queue = dispatch_queue_create(NULL, DISPATCH_QUEUE_SERIAL);
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dispatch_queue_t q1 = dispatch_queue_create(NULL, DISPATCH_QUEUE_CONCURRENT);
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dispatch_queue_t q2 = dispatch_queue_create(NULL, DISPATCH_QUEUE_CONCURRENT);
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dispatch_set_target_queue(q1, target_queue);
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dispatch_set_target_queue(q2, target_queue);
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for (int i = 0; i < 100000; i++) {
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dispatch_async(q1, ^{
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global++;
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if (global == 200000) {
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dispatch_sync(dispatch_get_main_queue(), ^{
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CFRunLoopStop(CFRunLoopGetCurrent());
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});
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}
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});
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dispatch_async(q2, ^{
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global++;
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if (global == 200000) {
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dispatch_sync(dispatch_get_main_queue(), ^{
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CFRunLoopStop(CFRunLoopGetCurrent());
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});
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}
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});
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}
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CFRunLoopRun();
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NSLog(@"Done.");
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return 0;
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}
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// CHECK-NOT: WARNING: ThreadSanitizer
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