| // 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' |
| |