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/*
* Amazon FreeRTOS POSIX V1.1.0
* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://aws.amazon.com/freertos
* http://www.FreeRTOS.org
*/
/**
* @file sched.h
* @brief Execution scheduling.
*
* http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sched.h.html
*/
#ifndef _FREERTOS_POSIX_SCHED_H_
#define _FREERTOS_POSIX_SCHED_H_
/**
* @name Scheduling Policies
*/
/**@{ */
#define SCHED_OTHER 0 /**< Another scheduling policy. */
/**@} */
/**
* @brief Scheduling parameters required for implementation of each supported
* scheduling policy.
*/
struct sched_param
{
int sched_priority; /**< Process or thread execution scheduling priority. */
};
/**
* @brief Get priority limit (max).
*
* http://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_get_priority_max.html
*
* @note policy is ignored.
*
* @return the maximum priority value (0-based) system configuration allows.
* <br>
* e.g. if configMAX_PRIORITIES == 7, this function returns (configMAX_PRIORITIES - 1).
* configMAX_PRIORITIES is configured in application FreeRTOSConfig.h file.
*/
int sched_get_priority_max( int policy );
/**
* @brief Get priority limit (min).
*
* http://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_get_priority_min.html
*
* @note policy is ignored.
*/
int sched_get_priority_min( int policy );
/**
* @brief Yield the processor.
*
* http://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_yield.html
*
* @retval 0 - Upon successful completion
*/
int sched_yield( void );
#endif /* ifndef _FREERTOS_POSIX_SCHED_H_ */
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