crashpad/util/mach/scoped_task_suspend.cc
Mark Mentovai 2bd5e23ea4 Add ScopedTaskSuspend and its test.
This also introduces ScopedFcntlFlags.

TEST=util_test ScopedTaskSuspend.*:ScopedFcntlFlags.*
R=rsesek@chromium.org

Review URL: https://codereview.chromium.org/649693002
2014-10-13 18:05:21 -04:00

40 lines
1.2 KiB
C++

// Copyright 2014 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "util/mach/scoped_task_suspend.h"
#include "base/logging.h"
#include "base/mac/mach_logging.h"
namespace crashpad {
ScopedTaskSuspend::ScopedTaskSuspend(task_t task) : task_(task) {
DCHECK_NE(task_, mach_task_self());
kern_return_t kr = task_suspend(task_);
if (kr != KERN_SUCCESS) {
task_ = TASK_NULL;
MACH_LOG(ERROR, kr) << "task_suspend";
}
}
ScopedTaskSuspend::~ScopedTaskSuspend() {
if (task_ != TASK_NULL) {
kern_return_t kr = task_resume(task_);
MACH_LOG_IF(ERROR, kr != KERN_SUCCESS, kr) << "task_resume";
}
}
} // namespace crashpad