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 #if defined(__linux__)
5*7c3d14c8STreehugger Robot #define USE_PTHREAD_SETNAME_NP __GLIBC_PREREQ(2, 12)
6*7c3d14c8STreehugger Robot #elif defined(__FreeBSD__)
7*7c3d14c8STreehugger Robot #include <pthread_np.h>
8*7c3d14c8STreehugger Robot #define USE_PTHREAD_SETNAME_NP 1
9*7c3d14c8STreehugger Robot #define pthread_setname_np pthread_set_name_np
10*7c3d14c8STreehugger Robot #else
11*7c3d14c8STreehugger Robot #define USE_PTHREAD_SETNAME_NP 0
12*7c3d14c8STreehugger Robot #endif
13*7c3d14c8STreehugger Robot
14*7c3d14c8STreehugger Robot extern "C" void AnnotateThreadName(const char *f, int l, const char *name);
15*7c3d14c8STreehugger Robot
16*7c3d14c8STreehugger Robot int Global;
17*7c3d14c8STreehugger Robot
Thread1(void * x)18*7c3d14c8STreehugger Robot void *Thread1(void *x) {
19*7c3d14c8STreehugger Robot barrier_wait(&barrier);
20*7c3d14c8STreehugger Robot AnnotateThreadName(__FILE__, __LINE__, "Thread1");
21*7c3d14c8STreehugger Robot Global++;
22*7c3d14c8STreehugger Robot return NULL;
23*7c3d14c8STreehugger Robot }
24*7c3d14c8STreehugger Robot
Thread2(void * x)25*7c3d14c8STreehugger Robot void *Thread2(void *x) {
26*7c3d14c8STreehugger Robot #if USE_PTHREAD_SETNAME_NP
27*7c3d14c8STreehugger Robot pthread_setname_np(pthread_self(), "Thread2");
28*7c3d14c8STreehugger Robot #else
29*7c3d14c8STreehugger Robot AnnotateThreadName(__FILE__, __LINE__, "Thread2");
30*7c3d14c8STreehugger Robot #endif
31*7c3d14c8STreehugger Robot Global--;
32*7c3d14c8STreehugger Robot barrier_wait(&barrier);
33*7c3d14c8STreehugger Robot return NULL;
34*7c3d14c8STreehugger Robot }
35*7c3d14c8STreehugger Robot
main()36*7c3d14c8STreehugger Robot int main() {
37*7c3d14c8STreehugger Robot barrier_init(&barrier, 2);
38*7c3d14c8STreehugger Robot pthread_t t[2];
39*7c3d14c8STreehugger Robot pthread_create(&t[0], NULL, Thread1, NULL);
40*7c3d14c8STreehugger Robot pthread_create(&t[1], NULL, Thread2, NULL);
41*7c3d14c8STreehugger Robot pthread_join(t[0], NULL);
42*7c3d14c8STreehugger Robot pthread_join(t[1], NULL);
43*7c3d14c8STreehugger Robot }
44*7c3d14c8STreehugger Robot
45*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: data race
46*7c3d14c8STreehugger Robot // CHECK: Thread T1 'Thread1'
47*7c3d14c8STreehugger Robot // CHECK: Thread T2 'Thread2'
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