xref: /aosp_15_r20/external/compiler-rt/test/tsan/global_race2.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2*7c3d14c8STreehugger Robot #include "test.h"
3*7c3d14c8STreehugger Robot 
4*7c3d14c8STreehugger Robot int x;
5*7c3d14c8STreehugger Robot 
Thread(void * a)6*7c3d14c8STreehugger Robot void *Thread(void *a) {
7*7c3d14c8STreehugger Robot   barrier_wait(&barrier);
8*7c3d14c8STreehugger Robot   x = 1;
9*7c3d14c8STreehugger Robot   return 0;
10*7c3d14c8STreehugger Robot }
11*7c3d14c8STreehugger Robot 
main()12*7c3d14c8STreehugger Robot int main() {
13*7c3d14c8STreehugger Robot   barrier_init(&barrier, 2);
14*7c3d14c8STreehugger Robot   print_address("addr2=", 1, &x);
15*7c3d14c8STreehugger Robot   pthread_t t;
16*7c3d14c8STreehugger Robot   pthread_create(&t, 0, Thread, 0);
17*7c3d14c8STreehugger Robot   x = 0;
18*7c3d14c8STreehugger Robot   barrier_wait(&barrier);
19*7c3d14c8STreehugger Robot   pthread_join(t, 0);
20*7c3d14c8STreehugger Robot }
21*7c3d14c8STreehugger Robot 
22*7c3d14c8STreehugger Robot // CHECK: addr2=[[ADDR2:0x[0-9,a-f]+]]
23*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: data race
24*7c3d14c8STreehugger Robot // CHECK: Location is global 'x' {{(of size 4 )?}}at [[ADDR2]] ({{.*}}+0x{{[0-9,a-f]+}})
25*7c3d14c8STreehugger Robot 
26