forked from OSchip/llvm-project
41 lines
852 B
Plaintext
41 lines
852 B
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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#import "../test.h"
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long global;
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int main() {
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NSLog(@"Hello world.");
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NSLog(@"addr=%p\n", &global);
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dispatch_queue_t q1 = dispatch_queue_create("my.queue1", DISPATCH_QUEUE_CONCURRENT);
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dispatch_queue_t q2 = dispatch_queue_create("my.queue2", DISPATCH_QUEUE_SERIAL);
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global = 42;
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for (int i = 0; i < 10; i++) {
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dispatch_async(q1, ^{
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for (int i = 0; i < 100; i++) {
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dispatch_sync(q2, ^{
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global++;
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});
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}
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});
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}
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dispatch_barrier_async(q1, ^{
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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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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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