blob: 1ec11295d1d4eb116369edcca7b1a1de40679f10 [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sandbox/linux/services/resource_limits.h"
#include <sys/resource.h>
#include <sys/time.h>
#include <algorithm>
namespace sandbox {
// static
bool ResourceLimits::Lower(int resource, rlim_t limit) {
struct rlimit old_rlimit;
if (getrlimit(resource, &old_rlimit))
return false;
// Make sure we don't raise the existing limit.
const struct rlimit new_rlimit = {std::min(old_rlimit.rlim_cur, limit),
std::min(old_rlimit.rlim_max, limit)};
int rc = setrlimit(resource, &new_rlimit);
return rc == 0;
} // namespace sandbox