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https://github.com/qmk/qmk_firmware
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27 lines
727 B
C
27 lines
727 B
C
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// Copyright 2022 Stefan Kerkmann
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "synchronization_util.h"
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#include "ch.h"
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#if defined(SPLIT_KEYBOARD)
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static MUTEX_DECL(SPLIT_SHARED_MEMORY_MUTEX);
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/**
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* @brief Acquire exclusive access to the split keyboard shared memory, by
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* locking the mutex guarding it. If the mutex is already held, the calling
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* thread will be suspended until the mutex currently owning thread releases the
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* mutex again.
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*/
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void split_shared_memory_lock(void) {
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chMtxLock(&SPLIT_SHARED_MEMORY_MUTEX);
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}
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/**
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* @brief Release the split shared memory mutex that has been acquired before.
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*/
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void split_shared_memory_unlock(void) {
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chMtxUnlock(&SPLIT_SHARED_MEMORY_MUTEX);
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}
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#endif
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