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// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdio.h>
extern "C" void AnnotateIgnoreSyncBegin(const char*, int);
extern "C" void AnnotateIgnoreSyncEnd(const char*, int);
int Global;
pthread_mutex_t Mutex = PTHREAD_MUTEX_INITIALIZER;
void *Thread(void *x) {
AnnotateIgnoreSyncBegin(0, 0);
pthread_mutex_lock(&Mutex);
Global++;
pthread_mutex_unlock(&Mutex);
AnnotateIgnoreSyncEnd(0, 0);
return 0;
}
int main() {
pthread_t t;
pthread_create(&t, 0, Thread, 0);
pthread_mutex_lock(&Mutex);
Global++;
pthread_mutex_unlock(&Mutex);
pthread_join(t, 0);
}
// CHECK: WARNING: ThreadSanitizer: data race
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