| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| #include <pthread.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include "test.h" |
| |
| void *Thread1(void *p) { |
| *(int*)p = 42; |
| return 0; |
| } |
| |
| void *Thread2(void *p) { |
| *(int*)p = 44; |
| return 0; |
| } |
| |
| __attribute__((noinline)) void *alloc() { |
| return malloc(99); |
| } |
| |
| void *AllocThread(void* arg) { |
| return alloc(); |
| } |
| |
| int main() { |
| void *p = 0; |
| pthread_t t[2]; |
| pthread_create(&t[0], 0, AllocThread, 0); |
| pthread_join(t[0], &p); |
| print_address("addr=", 1, p); |
| pthread_create(&t[0], 0, Thread1, (char*)p + 16); |
| pthread_create(&t[1], 0, Thread2, (char*)p + 16); |
| pthread_join(t[0], 0); |
| pthread_join(t[1], 0); |
| return 0; |
| } |
| |
| // CHECK: addr=[[ADDR:0x[0-9,a-f]+]] |
| // CHECK: WARNING: ThreadSanitizer: data race |
| // ... |
| // CHECK: Location is heap block of size 99 at [[ADDR]] allocated by thread T1: |
| // CHECK: #0 malloc |
| // CHECK: #{{1|2}} alloc |
| // CHECK: #{{2|3}} AllocThread |
| // ... |
| // CHECK: Thread T1 (tid={{.*}}, finished) created by main thread at: |
| // CHECK: #0 pthread_create |
| // CHECK: #1 main |