54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2015 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#ifndef __MUTEX_H__
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#define __MUTEX_H__
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/semphr.h"
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#define OSI_MUTEX_MAX_TIMEOUT 0xffffffffUL
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#define osi_mutex_valid( x ) ( ( ( *x ) == NULL) ? pdFALSE : pdTRUE )
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#define osi_mutex_set_invalid( x ) ( ( *x ) = NULL )
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typedef xSemaphoreHandle osi_mutex_t;
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int osi_mutex_new(osi_mutex_t *mutex);
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int osi_mutex_lock(osi_mutex_t *mutex, uint32_t timeout);
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void osi_mutex_unlock(osi_mutex_t *mutex);
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void osi_mutex_free(osi_mutex_t *mutex);
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/* Just for a global mutex */
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int osi_mutex_global_init(void);
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void osi_mutex_global_deinit(void);
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void osi_mutex_global_lock(void);
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void osi_mutex_global_unlock(void);
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#endif /* __MUTEX_H__ */
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