| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_MAC_SCOPED_MACH_MSG_DESTROY_H_ |
| #define BASE_MAC_SCOPED_MACH_MSG_DESTROY_H_ |
| |
| #include <mach/message.h> |
| |
| #include "base/memory/raw_ptr.h" |
| |
| namespace base { |
| |
| // Calls mach_msg_destroy on the specified message when the object goes out |
| // of scope. |
| class ScopedMachMsgDestroy { |
| public: |
| explicit ScopedMachMsgDestroy(mach_msg_header_t* header) : header_(header) {} |
| |
| ScopedMachMsgDestroy(const ScopedMachMsgDestroy&) = delete; |
| ScopedMachMsgDestroy& operator=(const ScopedMachMsgDestroy&) = delete; |
| |
| ~ScopedMachMsgDestroy() { |
| if (header_) { |
| mach_msg_destroy(header_); |
| } |
| } |
| |
| // Prevents the message from being destroyed when it goes out of scope. |
| void Disarm() { header_ = nullptr; } |
| |
| private: |
| raw_ptr<mach_msg_header_t> header_; |
| }; |
| |
| } // namespace base |
| |
| #endif // BASE_MAC_SCOPED_MACH_MSG_DESTROY_H_ |