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