forked from OSchip/llvm-project
tsan: add new test for commit 207204 (forget to add new file)
llvm-svn: 207205
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// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
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#include <pthread.h>
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#include <unistd.h>
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extern "C" void AnnotateRWLockAcquired(const char *f, int l, void *m, long rw);
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void *ThreadFunc(void *m) {
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AnnotateRWLockAcquired(__FILE__, __LINE__, m, 1);
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return 0;
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}
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int main() {
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int m = 0;
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AnnotateRWLockAcquired(__FILE__, __LINE__, &m, 1);
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pthread_t th;
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pthread_create(&th, 0, ThreadFunc, &m);
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pthread_join(th, 0);
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return 0;
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}
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// CHECK: WARNING: ThreadSanitizer: double lock of a mutex
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// CHECK: #0 AnnotateRWLockAcquired
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// CHECK: #1 ThreadFunc
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// CHECK: Location is stack of main thread.
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// CHECK: Mutex M1 ({{.*}}) created at:
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// CHECK: #0 AnnotateRWLockAcquired
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// CHECK: #1 main
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// CHECK: SUMMARY: ThreadSanitizer: double lock of a mutex {{.*}}mutex_double_lock.cc{{.*}}ThreadFunc
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