1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2*7c3d14c8STreehugger Robot #include "test.h"
3*7c3d14c8STreehugger Robot
Thread1(void * x)4*7c3d14c8STreehugger Robot void *Thread1(void *x) {
5*7c3d14c8STreehugger Robot int *p = (int*)x;
6*7c3d14c8STreehugger Robot p[0] = 1;
7*7c3d14c8STreehugger Robot barrier_wait(&barrier);
8*7c3d14c8STreehugger Robot return NULL;
9*7c3d14c8STreehugger Robot }
10*7c3d14c8STreehugger Robot
Thread2(void * x)11*7c3d14c8STreehugger Robot void *Thread2(void *x) {
12*7c3d14c8STreehugger Robot barrier_wait(&barrier);
13*7c3d14c8STreehugger Robot char *p = (char*)x;
14*7c3d14c8STreehugger Robot p[2] = 1;
15*7c3d14c8STreehugger Robot return NULL;
16*7c3d14c8STreehugger Robot }
17*7c3d14c8STreehugger Robot
main()18*7c3d14c8STreehugger Robot int main() {
19*7c3d14c8STreehugger Robot barrier_init(&barrier, 2);
20*7c3d14c8STreehugger Robot int *data = new int(42);
21*7c3d14c8STreehugger Robot print_address("ptr1=", 1, data);
22*7c3d14c8STreehugger Robot print_address("ptr2=", 1, (char*)data + 2);
23*7c3d14c8STreehugger Robot pthread_t t[2];
24*7c3d14c8STreehugger Robot pthread_create(&t[0], NULL, Thread1, data);
25*7c3d14c8STreehugger Robot pthread_create(&t[1], NULL, Thread2, data);
26*7c3d14c8STreehugger Robot pthread_join(t[0], NULL);
27*7c3d14c8STreehugger Robot pthread_join(t[1], NULL);
28*7c3d14c8STreehugger Robot delete data;
29*7c3d14c8STreehugger Robot }
30*7c3d14c8STreehugger Robot
31*7c3d14c8STreehugger Robot // CHECK: ptr1=[[PTR1:0x[0-9,a-f]+]]
32*7c3d14c8STreehugger Robot // CHECK: ptr2=[[PTR2:0x[0-9,a-f]+]]
33*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: data race
34*7c3d14c8STreehugger Robot // CHECK: Write of size 1 at [[PTR2]] by thread T2:
35*7c3d14c8STreehugger Robot // CHECK: Previous write of size 4 at [[PTR1]] by thread T1:
36