The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
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mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
platform/CriticalSectionLock.h
- Committer:
- Anna Bridge
- Date:
- 2018-01-17
- Revision:
- 160:5571c4ff569f
- Parent:
- 158:1c57384330a6
- Child:
- 161:aa5281ff4a02
File content as of revision 160:5571c4ff569f:
/* * PackageLicenseDeclared: Apache-2.0 * Copyright (c) 2017 ARM Limited * * 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. */ #ifndef MBED_CRITICALSECTIONLOCK_H #define MBED_CRITICALSECTIONLOCK_H #include "platform/mbed_critical.h" namespace mbed { /** \addtogroup platform */ /** @{*/ /** * \defgroup platform_CriticalSectionLock CriticalSectionLock functions * @{ */ /** RAII object for disabling, then restoring, interrupt state * Usage: * @code * * void f() { * // some code here * { * CriticalSectionLock lock; * // Code in this block will run with interrupts disabled * } * // interrupts will be restored to their previous state * } * @endcode */ class CriticalSectionLock { public: CriticalSectionLock() { core_util_critical_section_enter(); } ~CriticalSectionLock() { core_util_critical_section_exit(); } /** Mark the start of a critical section * */ void lock() { core_util_critical_section_enter(); } /** Mark the end of a critical section * */ void unlock() { core_util_critical_section_exit(); } }; /**@}*/ /**@}*/ } // namespace mbed #endif