| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
|---|
| 2 | #include "test.h" |
|---|
| 3 | |
|---|
| 4 | #if defined(__linux__) |
|---|
| 5 | #define USE_PTHREAD_SETNAME_NP __GLIBC_PREREQ(2, 12) |
|---|
| 6 | #define tsan_pthread_setname_np pthread_setname_np |
|---|
| 7 | #elif defined(__FreeBSD__) |
|---|
| 8 | #include <pthread_np.h> |
|---|
| 9 | #define USE_PTHREAD_SETNAME_NP 1 |
|---|
| 10 | #define tsan_pthread_setname_np pthread_set_name_np |
|---|
| 11 | #elif defined(__NetBSD__) |
|---|
| 12 | #define USE_PTHREAD_SETNAME_NP 1 |
|---|
| 13 | #define tsan_pthread_setname_np(a, b) pthread_setname_np((a), "%s", (void *)(b)) |
|---|
| 14 | #else |
|---|
| 15 | #define USE_PTHREAD_SETNAME_NP 0 |
|---|
| 16 | #endif |
|---|
| 17 | |
|---|
| 18 | int Global; |
|---|
| 19 | |
|---|
| 20 | void *Thread1(void *x) { |
|---|
| 21 | barrier_wait(barrier: &barrier); |
|---|
| 22 | AnnotateThreadName(__FILE__, __LINE__, name: "Thread1" ); |
|---|
| 23 | Global++; |
|---|
| 24 | return NULL; |
|---|
| 25 | } |
|---|
| 26 | |
|---|
| 27 | void *Thread2(void *x) { |
|---|
| 28 | #if USE_PTHREAD_SETNAME_NP |
|---|
| 29 | tsan_pthread_setname_np(target_thread: pthread_self(), name: "Thread2" ); |
|---|
| 30 | #else |
|---|
| 31 | AnnotateThreadName(__FILE__, __LINE__, "Thread2" ); |
|---|
| 32 | #endif |
|---|
| 33 | Global--; |
|---|
| 34 | barrier_wait(barrier: &barrier); |
|---|
| 35 | return NULL; |
|---|
| 36 | } |
|---|
| 37 | |
|---|
| 38 | int main() { |
|---|
| 39 | barrier_init(barrier: &barrier, count: 2); |
|---|
| 40 | pthread_t t[2]; |
|---|
| 41 | pthread_create(newthread: &t[0], NULL, start_routine: Thread1, NULL); |
|---|
| 42 | pthread_create(newthread: &t[1], NULL, start_routine: Thread2, NULL); |
|---|
| 43 | pthread_join(th: t[0], NULL); |
|---|
| 44 | pthread_join(th: t[1], NULL); |
|---|
| 45 | } |
|---|
| 46 | |
|---|
| 47 | // CHECK: WARNING: ThreadSanitizer: data race |
|---|
| 48 | // CHECK: Thread T1 'Thread1' |
|---|
| 49 | // CHECK: Thread T2 'Thread2' |
|---|
| 50 | |
|---|
