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51 lines
956 B
51 lines
956 B
// RUN: %clangxx_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 <memory>
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#import "../test.h"
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long my_global;
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struct MyStruct {
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void setGlobal() {
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my_global = 42;
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}
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~MyStruct() {
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my_global = 43;
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}
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};
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int main(int argc, const char *argv[]) {
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fprintf(stderr, "Hello world.\n");
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print_address("addr=", 1, &my_global);
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barrier_init(&barrier, 2);
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std::shared_ptr<MyStruct> shared(new MyStruct());
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dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
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std::weak_ptr<MyStruct> weak(shared);
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dispatch_async(q, ^{
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{
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std::shared_ptr<MyStruct> strong = weak.lock();
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if (!strong) exit(1);
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strong->setGlobal();
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}
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barrier_wait(&barrier);
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});
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barrier_wait(&barrier);
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shared.reset();
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fprintf(stderr, "Done.\n");
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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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