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