a097c4ce95
Since D97044, libc++ implements <stdatomic.h>, which is not compatible with the <atomic> header in C++03 mode. To fix the tests, avoid using <stdatomic.h> at all, since it is not strictly required. rdar://92867529 Differential Revision: https://reviews.llvm.org/D125118
44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
// RUN: %clangxx_tsan %s %link_libcxx_tsan -o %t
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// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not='ThreadSanitizer'
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#include <dispatch/dispatch.h>
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#include <atomic>
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#include <cstdio>
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#include <memory>
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std::atomic<long> destructor_counter(0);
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struct MyStruct {
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virtual ~MyStruct() {
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usleep(10000);
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std::atomic_fetch_add_explicit(&destructor_counter, 1, std::memory_order_relaxed);
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}
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};
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int main(int argc, const char *argv[]) {
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std::fprintf(stderr, "Hello world.\n");
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dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
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dispatch_group_t g = dispatch_group_create();
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for (int i = 0; i < 100; i++) {
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std::shared_ptr<MyStruct> shared(new MyStruct());
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dispatch_group_async(g, q, ^{
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shared.get(); // just to make sure the object is captured by the block
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});
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}
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dispatch_group_wait(g, DISPATCH_TIME_FOREVER);
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if (destructor_counter != 100) {
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std::abort();
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}
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std::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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