62 lines
2.1 KiB
C
Executable File
62 lines
2.1 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 unistd.h
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* @brief Standard symbolic constants and types
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*
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* http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html
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*/
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#ifndef _FREERTOS_POSIX_UNISTD_H_
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#define _FREERTOS_POSIX_UNISTD_H_
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#include "FreeRTOS_POSIX/sys/types.h"
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/**
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* @brief Suspend execution for an interval of time.
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*
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* http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html
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*
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* @param[in] seconds The number of seconds to suspend execution.
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*
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* @retval 0 - Upon successful completion.
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*
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* @note Return value of a positive number is not yet supported.
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*/
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unsigned sleep( unsigned seconds );
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/**
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* @brief Suspend execution for microsecond intervals.
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*
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* This is a useful, non-POSIX function.
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* @param[in] usec The number of microseconds to suspend execution.
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*
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* @retval 0 - Upon successful completion.
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*/
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int usleep( useconds_t usec );
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#endif /* ifndef _FREERTOS_POSIX_UNISTD_H_ */
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