Ken Van Hoeylandt
96eccbdc8d
Replace LGPL from past commit with Apache License 2.0 for the newly created projects: - in Platforms/* - TactilityKernel Add license headers to source code in: - in Platforms/* - TactilityKernel - TactilityFreeRtos Updated LICENSE.md
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include <stdbool.h>
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#include <assert.h>
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#include <Tactility/FreeRTOS/semphr.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct RecursiveMutex {
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QueueHandle_t handle;
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};
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inline static void recursive_mutex_construct(struct RecursiveMutex* mutex) {
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mutex->handle = xSemaphoreCreateRecursiveMutex();
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}
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inline static void recursive_mutex_destruct(struct RecursiveMutex* mutex) {
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assert(mutex->handle != NULL);
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vPortAssertIfInISR();
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vSemaphoreDelete(mutex->handle);
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mutex->handle = NULL;
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}
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inline static void recursive_mutex_lock(struct RecursiveMutex* mutex) {
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xSemaphoreTakeRecursive(mutex->handle, portMAX_DELAY);
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}
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inline static bool recursive_mutex_is_locked(struct RecursiveMutex* mutex) {
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return xSemaphoreGetMutexHolder(mutex->handle) != NULL;
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}
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inline static bool recursive_mutex_try_lock(struct RecursiveMutex* mutex) {
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return xSemaphoreTakeRecursive(mutex->handle, 0) == pdTRUE;
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}
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inline static void recursive_mutex_unlock(struct RecursiveMutex* mutex) {
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xSemaphoreGiveRecursive(mutex->handle);
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}
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#ifdef __cplusplus
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}
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#endif
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