[rustc.git] / src / compiler-rt / test / tsan / bench_acquire_only.cc

// 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;

void thread(int tid) {
  for (int i = 0; i < bench_niter; i++)
    __atomic_load_n(&x, __ATOMIC_ACQUIRE);
}

void bench() {
  __atomic_store_n(&x, 0, __ATOMIC_RELEASE);
  start_thread_group(bench_nthread, thread);
}

// CHECK: DONE
Commit	Line	Data
1a4d82fc JJ	1	// RUN: %clangxx_tsan %s -o %t
	2	// RUN: %run %t 2>&1 \| FileCheck %s
	3
3157f602 XL	4	// bench.h needs pthread barriers which are not available on OS X
	5	// UNSUPPORTED: darwin
	6
1a4d82fc JJ	7	#include "bench.h"
	8
	9	int x;
	10
	11	void thread(int tid) {
	12	for (int i = 0; i < bench_niter; i++)
	13	__atomic_load_n(&x, __ATOMIC_ACQUIRE);
	14	}
	15
	16	void bench() {
	17	__atomic_store_n(&x, 0, __ATOMIC_RELEASE);
	18	start_thread_group(bench_nthread, thread);
	19	}
	20
	21	// CHECK: DONE
	22