mh
/
qmk_firmware
mirror of https://github.com/qmk/qmk_firmware/


								// Copyright 2022 Stefan Kerkmann

								// SPDX-License-Identifier: GPL-2.0-or-later


								#include "synchronization_util.h"

								#include "ch.h"


								#if defined(SPLIT_KEYBOARD)

								static MUTEX_DECL(SPLIT_SHARED_MEMORY_MUTEX);


								/**

								 * @brief Acquire exclusive access to the split keyboard shared memory, by

								 * locking the mutex guarding it. If the mutex is already held, the calling

								 * thread will be suspended until the mutex currently owning thread releases the

								 * mutex again.

								 */

								void split_shared_memory_lock(void) {

								    chMtxLock(&SPLIT_SHARED_MEMORY_MUTEX);

								}


								/**

								 * @brief Release the split shared memory mutex that has been acquired before.

								 */

								void split_shared_memory_unlock(void) {

								    chMtxUnlock(&SPLIT_SHARED_MEMORY_MUTEX);

								}

								#endif