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comparison compiler-rt/test/tsan/thread_name.cpp @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 2e18cbf3894f
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147:c2174574ed3a 150:1d019706d866
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 extern "C" void AnnotateThreadName(const char *f, int l, const char *name);
19
20 int Global;
21
22 void *Thread1(void *x) {
23 barrier_wait(&barrier);
24 AnnotateThreadName(__FILE__, __LINE__, "Thread1");
25 Global++;
26 return NULL;
27 }
28
29 void *Thread2(void *x) {
30 #if USE_PTHREAD_SETNAME_NP
31 tsan_pthread_setname_np(pthread_self(), "Thread2");
32 #else
33 AnnotateThreadName(__FILE__, __LINE__, "Thread2");
34 #endif
35 Global--;
36 barrier_wait(&barrier);
37 return NULL;
38 }
39
40 int main() {
41 barrier_init(&barrier, 2);
42 pthread_t t[2];
43 pthread_create(&t[0], NULL, Thread1, NULL);
44 pthread_create(&t[1], NULL, Thread2, NULL);
45 pthread_join(t[0], NULL);
46 pthread_join(t[1], NULL);
47 }
48
49 // CHECK: WARNING: ThreadSanitizer: data race
50 // CHECK: Thread T1 'Thread1'
51 // CHECK: Thread T2 'Thread2'