| #include <pthread.h> |
| #include <stddef.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| // Ensure that we can restore a stack of a finished thread. |
| |
| int g_data; |
| |
| void __attribute__((noinline)) foobar(int *p) { |
| *p = 42; |
| } |
| |
| void *Thread1(void *x) { |
| foobar(&g_data); |
| return NULL; |
| } |
| |
| void *Thread2(void *x) { |
| usleep(1000*1000); |
| g_data = 43; |
| 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); |
| return 0; |
| } |
| |
| // CHECK: WARNING: ThreadSanitizer: data race |
| // CHECK: Write of size 4 at {{.*}} by thread 2: |
| // CHECK: Previous write of size 4 at {{.*}} by thread 1: |
| // CHECK: #0 foobar |
| // CHECK: #1 Thread1 |
| // CHECK: Thread 1 (finished) created at: |
| // CHECK: #0 pthread_create |
| // CHECK: #1 main |
| |