forked from OSchip/llvm-project
50 lines
910 B
C++
50 lines
910 B
C++
// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
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#include "test.h"
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// Test that a linker-initialized mutex can be created/destroyed while in use.
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// Stub for testing, just invokes annotations.
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// Meant to be synchronized externally with test barrier.
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class Mutex {
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public:
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void Create(bool linker_initialized = false) {
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if (linker_initialized)
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ANNOTATE_RWLOCK_CREATE_STATIC(&state_);
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else
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ANNOTATE_RWLOCK_CREATE(&state_);
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}
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void Destroy() {
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ANNOTATE_RWLOCK_DESTROY(&state_);
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}
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void Lock() {
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ANNOTATE_RWLOCK_ACQUIRED(&state_, true);
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}
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void Unlock() {
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ANNOTATE_RWLOCK_RELEASED(&state_, true);
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}
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private:
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long long state_;
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};
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int main() {
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Mutex m;
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m.Lock();
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m.Create(true);
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m.Unlock();
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m.Lock();
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m.Destroy();
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m.Unlock();
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fprintf(stderr, "DONE\n");
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return 0;
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}
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// CHECK-NOT: WARNING: ThreadSanitizer:
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// CHECK: DONE
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