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
|
||
|
|
#include "test.h"
|
||
|
|
|
||
|
|
// Test that a linker-initialized mutex can be created/destroyed while in use.
|
||
|
|
|
||
|
|
// Stub for testing, just invokes annotations.
|
||
|
|
// Meant to be synchronized externally with test barrier.
|
||
|
|
class Mutex {
|
||
|
|
public:
|
||
|
|
void Create(bool linker_initialized = false) {
|
||
|
|
if (linker_initialized)
|
||
|
|
ANNOTATE_RWLOCK_CREATE_STATIC(&state_);
|
||
|
|
else
|
||
|
|
ANNOTATE_RWLOCK_CREATE(&state_);
|
||
|
|
}
|
||
|
|
|
||
|
|
void Destroy() {
|
||
|
|
ANNOTATE_RWLOCK_DESTROY(&state_);
|
||
|
|
}
|
||
|
|
|
||
|
|
void Lock() {
|
||
|
|
ANNOTATE_RWLOCK_ACQUIRED(&state_, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
void Unlock() {
|
||
|
|
ANNOTATE_RWLOCK_RELEASED(&state_, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
long long state_;
|
||
|
|
};
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
Mutex m;
|
||
|
|
|
||
|
|
m.Lock();
|
||
|
|
m.Create(true);
|
||
|
|
m.Unlock();
|
||
|
|
|
||
|
|
m.Lock();
|
||
|
|
m.Destroy();
|
||
|
|
m.Unlock();
|
||
|
|
|
||
|
|
fprintf(stderr, "DONE\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-NOT: WARNING: ThreadSanitizer:
|
||
|
|
// CHECK: DONE
|