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https://github.com/0xFEEDC0DE64/arduino-esp32.git
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44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/******************************************************************************
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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 __SEMAPHORE_H__
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#define __SEMAPHORE_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_SEM_MAX_TIMEOUT 0xffffffffUL
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typedef xSemaphoreHandle osi_sem_t;
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#define osi_sem_valid( x ) ( ( ( *x ) == NULL) ? pdFALSE : pdTRUE )
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#define osi_sem_set_invalid( x ) ( ( *x ) = NULL )
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int osi_sem_new(osi_sem_t *sem, uint32_t max_count, uint32_t init_count);
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void osi_sem_free(osi_sem_t *sem);
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int osi_sem_take(osi_sem_t *sem, uint32_t timeout);
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void osi_sem_give(osi_sem_t *sem);
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#endif /* __SEMAPHORE_H__ */
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