xref: /aosp_15_r20/external/compiler-rt/test/tsan/global_race.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %T/global_race.cc.exe && %deflake %run %T/global_race.cc.exe | FileCheck %s
2*7c3d14c8STreehugger Robot #include "test.h"
3*7c3d14c8STreehugger Robot 
4*7c3d14c8STreehugger Robot int GlobalData[10];
5*7c3d14c8STreehugger Robot 
Thread(void * a)6*7c3d14c8STreehugger Robot void *Thread(void *a) {
7*7c3d14c8STreehugger Robot   barrier_wait(&barrier);
8*7c3d14c8STreehugger Robot   GlobalData[2] = 42;
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("addr=", 1, GlobalData);
15*7c3d14c8STreehugger Robot   pthread_t t;
16*7c3d14c8STreehugger Robot   pthread_create(&t, 0, Thread, 0);
17*7c3d14c8STreehugger Robot   GlobalData[2] = 43;
18*7c3d14c8STreehugger Robot   barrier_wait(&barrier);
19*7c3d14c8STreehugger Robot   pthread_join(t, 0);
20*7c3d14c8STreehugger Robot }
21*7c3d14c8STreehugger Robot 
22*7c3d14c8STreehugger Robot // CHECK: addr=[[ADDR:0x[0-9,a-f]+]]
23*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: data race
24*7c3d14c8STreehugger Robot // CHECK: Location is global 'GlobalData' {{(of size 40 )?}}at [[ADDR]] (global_race.cc.exe+0x{{[0-9,a-f]+}})
25*7c3d14c8STreehugger Robot 
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