1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include <pthread.h> 3 #include <stdio.h> 4 #include <stddef.h> 5 #include <unistd.h> 6 7 int x; 8 9 void *Thread(void *a) { 10 sleep(1); 11 x = 1; 12 return 0; 13 } 14 15 int main() { 16 fprintf(stderr, "addr2=%p\n", &x); 17 pthread_t t; 18 pthread_create(&t, 0, Thread, 0); 19 x = 0; 20 pthread_join(t, 0); 21 } 22 23 // CHECK: addr2=[[ADDR2:0x[0-9,a-f]+]] 24 // CHECK: WARNING: ThreadSanitizer: data race 25 // CHECK: Location is global 'x' of size 4 at [[ADDR2]] ({{.*}}+0x{{[0-9,a-f]+}}) 26 27