33 lines
646 B
Plaintext
33 lines
646 B
Plaintext
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// 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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static const long nIter = 1000;
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int main() {
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NSLog(@"Hello world.");
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global = 42;
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for (int i = 0; i < nIter; i++) {
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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dispatch_sync(dispatch_get_main_queue(), ^{
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global = i;
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if (i == nIter - 1) {
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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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}
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// CHECK: Hello world.
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// CHECK: Done.
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// CHECK-NOT: WARNING: ThreadSanitizer
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