1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2#include "test.h" 3 4void *Thread1(void *x) { 5 barrier_wait(&barrier); 6 int *p = (int*)x; 7 p[0] = 1; 8 return NULL; 9} 10 11void *Thread2(void *x) { 12 char *p = (char*)x; 13 p[2] = 1; 14 barrier_wait(&barrier); 15 return NULL; 16} 17 18int main() { 19 barrier_init(&barrier, 2); 20 int *data = new int(42); 21 print_address("ptr1=", 1, data); 22 print_address("ptr2=", 1, (char*)data + 2); 23 pthread_t t[2]; 24 pthread_create(&t[0], NULL, Thread1, data); 25 pthread_create(&t[1], NULL, Thread2, data); 26 pthread_join(t[0], NULL); 27 pthread_join(t[1], NULL); 28 delete data; 29} 30 31// CHECK: ptr1=[[PTR1:0x[0-9,a-f]+]] 32// CHECK: ptr2=[[PTR2:0x[0-9,a-f]+]] 33// CHECK: WARNING: ThreadSanitizer: data race 34// CHECK: Write of size 4 at [[PTR1]] by thread T1: 35// CHECK: Previous write of size 1 at [[PTR2]] by thread T2: 36