esp-idf/components/bt/bluedroid/osi/include/semaphore.h

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/******************************************************************************
*
* Copyright (C) 2015 Google, Inc.
*
* 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 __SEMAPHORE_H__
#define __SEMAPHORE_H__
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
#define OSI_SEM_MAX_TIMEOUT 0xffffffffUL
typedef xSemaphoreHandle osi_sem_t;
#define osi_sem_valid( x ) ( ( ( *x ) == NULL) ? pdFALSE : pdTRUE )
#define osi_sem_set_invalid( x ) ( ( *x ) = NULL )
int osi_sem_new(osi_sem_t *sem, uint32_t max_count, uint32_t init_count);
void osi_sem_free(osi_sem_t *sem);
int osi_sem_take(osi_sem_t *sem, uint32_t timeout);
void osi_sem_give(osi_sem_t *sem);
#endif /* __SEMAPHORE_H__ */