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// Copyright (c) 2012 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.
#ifndef BASE_MAC_SCOPED_LAUNCH_DATA_H_
#define BASE_MAC_SCOPED_LAUNCH_DATA_H_
#include <launch.h>
#include <algorithm>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
namespace base {
namespace mac {
// Just like scoped_ptr<> but for launch_data_t.
class ScopedLaunchData {
public:
typedef launch_data_t element_type;
explicit ScopedLaunchData(launch_data_t object = NULL)
: object_(object) {
}
~ScopedLaunchData() {
if (object_)
launch_data_free(object_);
}
void reset(launch_data_t object = NULL) {
if (object != object_) {
if (object_)
launch_data_free(object_);
object_ = object;
}
}
bool operator==(launch_data_t that) const {
return object_ == that;
}
bool operator!=(launch_data_t that) const {
return object_ != that;
}
operator launch_data_t() const {
return object_;
}
launch_data_t get() const {
return object_;
}
void swap(ScopedLaunchData& that) {
std::swap(object_, that.object_);
}
launch_data_t release() WARN_UNUSED_RESULT {
launch_data_t temp = object_;
object_ = NULL;
return temp;
}
private:
launch_data_t object_;
DISALLOW_COPY_AND_ASSIGN(ScopedLaunchData);
};
} // namespace mac
} // namespace base
#endif // BASE_MAC_SCOPED_LAUNCH_DATA_H_
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