blob: 7f26041afc49f69bfc945a73c898035e70f26be4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
// RUN: %clangxx_tsan %s -o %t
// RUN: %run %t 2>&1 | FileCheck %s
// bench.h needs pthread barriers which are not available on OS X
// UNSUPPORTED: darwin
#include "bench.h"
int *x;
const int kStride = 32;
void thread(int tid) {
__atomic_load_n(&x[tid * kStride], __ATOMIC_ACQUIRE);
for (int i = 0; i < bench_niter; i++)
__atomic_store_n(&x[tid * kStride], 0, __ATOMIC_RELEASE);
}
void bench() {
x = (int*)malloc(bench_nthread * kStride * sizeof(x[0]));
for (int i = 0; i < bench_nthread; i++)
__atomic_store_n(&x[i * kStride], 0, __ATOMIC_RELEASE);
start_thread_group(bench_nthread, thread);
}
// CHECK: DONE
|
