mirror of
https://github.com/eclipse-threadx/threadx.git
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97 lines
5.1 KiB
C
97 lines
5.1 KiB
C
/***************************************************************************
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* Copyright (c) 2024 Microsoft Corporation
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*
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* This program and the accompanying materials are made available under the
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* terms of the MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** POSIX wrapper for THREADX */
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/** */
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/** */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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/* Include necessary system files. */
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#include "tx_api.h" /* Threadx API */
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#include "pthread.h" /* Posix API */
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#include "px_int.h" /* Posix helper functions */
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* sleep PORTABLE C */
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/* 6.1.7 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function shall cause the calling thread to be suspended from */
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/* execution until either the number of realtime seconds specified by */
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/* the argument seconds has elapsed */
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/* */
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/* INPUT */
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/* */
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/* seconds Is the number of real-time (as opposed */
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/* to CPU-time) seconds to suspend the */
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/* calling thread. */
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/* */
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/* OUTPUT */
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/* */
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/* number of seconds remaining to sleep */
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/* A nonzero value indicates sleep was */
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/* interrupted. Zero is successful */
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/* completion */
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/* */
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/* */
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/* CALLS */
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/* */
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/* tx_thread_sleep ThreadX thread sleep service */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
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/* */
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/**************************************************************************/
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UINT sleep(ULONG seconds)
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{
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UINT temp1, temp2, diff, result;
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temp1 = tx_time_get();
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tx_thread_sleep(seconds * CPU_TICKS_PER_SECOND);
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temp2 = tx_time_get();
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diff = temp2 - temp1;
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if (diff > (seconds * CPU_TICKS_PER_SECOND))
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{
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result = (diff - (seconds * CPU_TICKS_PER_SECOND));
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}
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else
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{
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result = ((seconds * CPU_TICKS_PER_SECOND) - diff);
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}
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return (result/CPU_TICKS_PER_SECOND);
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}
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