| Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1 | // RUN: %clangxx_tsan -O1 %s -o %T/global_race.cc.exe && %deflake %run %T/global_race.cc.exe | FileCheck %s |
| Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2 | #include "test.h" |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3 | |
| 4 | int GlobalData[10]; |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 5 | |
| 6 | void *Thread(void *a) { |
| Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 7 | barrier_wait(&barrier); |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 8 | GlobalData[2] = 42; |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 9 | return 0; |
| 10 | } |
| 11 | |
| 12 | int main() { |
| Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 13 | barrier_init(&barrier, 2); |
| Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 14 | print_address("addr=", 1, GlobalData); |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 15 | pthread_t t; |
| 16 | pthread_create(&t, 0, Thread, 0); |
| 17 | GlobalData[2] = 43; |
| Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 18 | barrier_wait(&barrier); |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 19 | pthread_join(t, 0); |
| 20 | } |
| 21 | |
| 22 | // CHECK: addr=[[ADDR:0x[0-9,a-f]+]] |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 23 | // CHECK: WARNING: ThreadSanitizer: data race |
| Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 24 | // CHECK: Location is global 'GlobalData' {{(of size 40 )?}}at [[ADDR]] (global_race.cc.exe+0x{{[0-9,a-f]+}}) |
| Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 25 | |