forked from OSchip/llvm-project
32 lines
587 B
C++
32 lines
587 B
C++
|
// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
|
||
|
#include "custom_mutex.h"
|
||
|
|
||
|
// Test that custom annoations provide normal mutex synchronization
|
||
|
// (no race reports for properly protected critical sections).
|
||
|
|
||
|
Mutex mu;
|
||
|
long data;
|
||
|
|
||
|
void *thr(void *arg) {
|
||
|
barrier_wait(&barrier);
|
||
|
mu.Lock();
|
||
|
data++;
|
||
|
mu.Unlock();
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int main() {
|
||
|
barrier_init(&barrier, 2);
|
||
|
pthread_t th;
|
||
|
pthread_create(&th, 0, thr, 0);
|
||
|
barrier_wait(&barrier);
|
||
|
mu.Lock();
|
||
|
data++;
|
||
|
mu.Unlock();
|
||
|
pthread_join(th, 0);
|
||
|
fprintf(stderr, "DONE\n");
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
// CHECK: DONE
|