f603e603bb
Move posix layer from 'kernel' to 'lib' folder as it is not a core kernel feature. Fixed posix header file dependencies as part of the move and also removed NEWLIBC related macros from posix headers. Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
35 lines
541 B
C
35 lines
541 B
C
/*
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <posix/unistd.h>
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/**
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* @brief Sleep for a specified number of seconds.
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*
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* See IEEE 1003.1
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*/
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unsigned sleep(unsigned int seconds)
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{
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k_sleep(K_SECONDS(seconds));
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return 0;
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}
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/**
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* @brief Suspend execution for microsecond intervals.
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*
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* See IEEE 1003.1
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*/
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int usleep(useconds_t useconds)
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{
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if (useconds < USEC_PER_MSEC) {
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k_busy_wait(useconds);
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} else {
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k_sleep(useconds / USEC_PER_MSEC);
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}
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return 0;
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}
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