xref: /aosp_15_r20/external/compiler-rt/test/tsan/tiny_race.c (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6) 
1*7c3d14c8STreehugger Robot // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2*7c3d14c8STreehugger Robot #include "test.h"
3*7c3d14c8STreehugger Robot 
4*7c3d14c8STreehugger Robot int Global;
5*7c3d14c8STreehugger Robot 
Thread1(void * x)6*7c3d14c8STreehugger Robot void *Thread1(void *x) {
7*7c3d14c8STreehugger Robot   barrier_wait(&barrier);
8*7c3d14c8STreehugger Robot   Global = 42;
9*7c3d14c8STreehugger Robot   return x;
10*7c3d14c8STreehugger Robot }
11*7c3d14c8STreehugger Robot 
main()12*7c3d14c8STreehugger Robot int main() {
13*7c3d14c8STreehugger Robot   barrier_init(&barrier, 2);
14*7c3d14c8STreehugger Robot   pthread_t t;
15*7c3d14c8STreehugger Robot   pthread_create(&t, 0, Thread1, 0);
16*7c3d14c8STreehugger Robot   Global = 43;
17*7c3d14c8STreehugger Robot   barrier_wait(&barrier);
18*7c3d14c8STreehugger Robot   pthread_join(t, 0);
19*7c3d14c8STreehugger Robot   return Global;
20*7c3d14c8STreehugger Robot }
21*7c3d14c8STreehugger Robot 
22*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: data race
23