1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
extern "C" void AnnotateThreadName(const char *f, int l, const char *name);
int Global;
void *Thread1(void *x) {
sleep(1);
AnnotateThreadName(__FILE__, __LINE__, "Thread1");
Global++;
return NULL;
}
void *Thread2(void *x) {
#if SANITIZER_LINUX && __GLIBC_PREREQ(2, 12)
pthread_setname_np(pthread_self(), "Thread2");
#else
AnnotateThreadName(__FILE__, __LINE__, "Thread2");
#endif
Global--;
return NULL;
}
int main() {
pthread_t t[2];
pthread_create(&t[0], NULL, Thread1, NULL);
pthread_create(&t[1], NULL, Thread2, NULL);
pthread_join(t[0], NULL);
pthread_join(t[1], NULL);
}
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Thread T1 'Thread1'
// CHECK: Thread T2 'Thread2'
|