| // RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <stddef.h> |
| |
| int GlobalData[10]; |
| |
| void *Thread(void *a) { |
| GlobalData[2] = 42; |
| return 0; |
| } |
| |
| int main() { |
| fprintf(stderr, "addr=%p\n", GlobalData); |
| pthread_t t; |
| pthread_create(&t, 0, Thread, 0); |
| GlobalData[2] = 43; |
| pthread_join(t, 0); |
| } |
| |
| // CHECK: addr=[[ADDR:0x[0-9,a-f]+]] |
| // CHECK: WARNING: ThreadSanitizer: data race |
| // Requires llvm-symbolizer, so disabled for now. |
| // CHECK0: Location is global 'GlobalData' of size 40 at [[ADDR]] |
| // CHECK0: (global_race.cc.exe+0x[0-9,a-f]+) |