hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
27 lines
573 B
C++
27 lines
573 B
C++
// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
|
|
#include "test.h"
|
|
|
|
_Atomic(int*) p;
|
|
|
|
void *thr(void *a) {
|
|
barrier_wait(&barrier);
|
|
int *pp = __c11_atomic_load(&p, __ATOMIC_RELAXED);
|
|
*pp = 42;
|
|
return 0;
|
|
}
|
|
|
|
int main() {
|
|
barrier_init(&barrier, 2);
|
|
pthread_t th;
|
|
pthread_create(&th, 0, thr, p);
|
|
__c11_atomic_store(&p, new int, __ATOMIC_RELAXED);
|
|
barrier_wait(&barrier);
|
|
pthread_join(th, 0);
|
|
}
|
|
|
|
// CHECK: data race
|
|
// CHECK: Previous write
|
|
// CHECK: #0 operator new
|
|
// CHECK: Location is heap block
|
|
// CHECK: #0 operator new
|