summaryrefslogtreecommitdiffstats
path: root/compiler-rt/test/tsan/custom_mutex0.cc
blob: 8302fd8841a84e924add5069a6cbc21eee52f210 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
// RUN: %clangxx_tsan -O1 --std=c++11 %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(true, 0);
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
OpenPOWER on IntegriCloud