global_race.cc revision 0172c8cd8ec72ae11e7b2a2b65b54466ea75de9c 
1// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
2#include <pthread.h>
3#include <stdio.h>
4#include <stddef.h>
5
6int GlobalData[10];
7
8void *Thread(void *a) {
9  GlobalData[2] = 42;
10  return 0;
11}
12
13int main() {
14  fprintf(stderr, "addr=%p\n", GlobalData);
15  pthread_t t;
16  pthread_create(&t, 0, Thread, 0);
17  GlobalData[2] = 43;
18  pthread_join(t, 0);
19}
20
21// CHECK: addr=[[ADDR:0x[0-9,a-f]+]]
22// CHECK: WARNING: ThreadSanitizer: data race
23// Requires llvm-symbolizer, so disabled for now.
24// CHECK0: Location is global 'GlobalData' of size 40 at [[ADDR]]
25// CHECK0:                            (global_race.cc.exe+0x[0-9,a-f]+)
26