xref: /llvm-project/compiler-rt/test/tsan/global_race3.cpp (revision 48eb4a27d1d1f2f6e7f6036d47fb282e6eb49310)
1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2*bcaeed49SFangrui Song #include "test.h"
3*bcaeed49SFangrui Song 
4*bcaeed49SFangrui Song namespace XXX {
5*bcaeed49SFangrui Song struct YYY {
6*bcaeed49SFangrui Song   static int ZZZ[10];
7*bcaeed49SFangrui Song };
8*bcaeed49SFangrui Song int YYY::ZZZ[10];
9*bcaeed49SFangrui Song }
10*bcaeed49SFangrui Song 
Thread(void * a)11*bcaeed49SFangrui Song void *Thread(void *a) {
12*bcaeed49SFangrui Song   barrier_wait(&barrier);
13*bcaeed49SFangrui Song   XXX::YYY::ZZZ[0] = 1;
14*bcaeed49SFangrui Song   return 0;
15*bcaeed49SFangrui Song }
16*bcaeed49SFangrui Song 
main()17*bcaeed49SFangrui Song int main() {
18*bcaeed49SFangrui Song   barrier_init(&barrier, 2);
19*bcaeed49SFangrui Song   print_address("addr3=", 1, XXX::YYY::ZZZ);
20*bcaeed49SFangrui Song   pthread_t t;
21*bcaeed49SFangrui Song   pthread_create(&t, 0, Thread, 0);
22*bcaeed49SFangrui Song   XXX::YYY::ZZZ[0] = 0;
23*bcaeed49SFangrui Song   barrier_wait(&barrier);
24*bcaeed49SFangrui Song   pthread_join(t, 0);
25*bcaeed49SFangrui Song }
26*bcaeed49SFangrui Song 
27*bcaeed49SFangrui Song // CHECK: addr3=[[ADDR3:0x[0-9,a-f]+]]
28*bcaeed49SFangrui Song // CHECK: WARNING: ThreadSanitizer: data race
29*bcaeed49SFangrui Song // CHECK: Location is global 'XXX::YYY::ZZZ' {{(of size 40 )?}}at [[ADDR3]] ({{.*}}+0x{{[0-9,a-f]+}})
30