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