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 // OS X doesn't have pthread_setname_np(tid, name).
5*7c3d14c8STreehugger Robot // UNSUPPORTED: darwin
6*7c3d14c8STreehugger Robot
7*7c3d14c8STreehugger Robot #if defined(__FreeBSD__)
8*7c3d14c8STreehugger Robot #include <pthread_np.h>
9*7c3d14c8STreehugger Robot #define pthread_setname_np pthread_set_name_np
10*7c3d14c8STreehugger Robot #endif
11*7c3d14c8STreehugger Robot
12*7c3d14c8STreehugger Robot long long Global;
13*7c3d14c8STreehugger Robot
Thread1(void * x)14*7c3d14c8STreehugger Robot void *Thread1(void *x) {
15*7c3d14c8STreehugger Robot barrier_wait(&barrier);
16*7c3d14c8STreehugger Robot Global++;
17*7c3d14c8STreehugger Robot return 0;
18*7c3d14c8STreehugger Robot }
19*7c3d14c8STreehugger Robot
Thread2(void * x)20*7c3d14c8STreehugger Robot void *Thread2(void *x) {
21*7c3d14c8STreehugger Robot pthread_setname_np(pthread_self(), "foobar2");
22*7c3d14c8STreehugger Robot Global--;
23*7c3d14c8STreehugger Robot barrier_wait(&barrier);
24*7c3d14c8STreehugger Robot return 0;
25*7c3d14c8STreehugger Robot }
26*7c3d14c8STreehugger Robot
main()27*7c3d14c8STreehugger Robot int main() {
28*7c3d14c8STreehugger Robot barrier_init(&barrier, 3);
29*7c3d14c8STreehugger Robot pthread_t t[2];
30*7c3d14c8STreehugger Robot pthread_create(&t[0], 0, Thread1, 0);
31*7c3d14c8STreehugger Robot pthread_create(&t[1], 0, Thread2, 0);
32*7c3d14c8STreehugger Robot pthread_setname_np(t[0], "foobar1");
33*7c3d14c8STreehugger Robot barrier_wait(&barrier);
34*7c3d14c8STreehugger Robot pthread_join(t[0], NULL);
35*7c3d14c8STreehugger Robot pthread_join(t[1], NULL);
36*7c3d14c8STreehugger Robot }
37*7c3d14c8STreehugger Robot
38*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: data race
39*7c3d14c8STreehugger Robot // CHECK: Thread T1 'foobar1'
40*7c3d14c8STreehugger Robot // CHECK: Thread T2 'foobar2'
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