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Release 6.1.7

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This commit is contained in:
Bo Chen
2021-06-02 06:45:05 +00:00
parent d759e6bb9e
commit f5056f4923
1269 changed files with 57325 additions and 55178 deletions
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88
utility/rtos_compatibility_layers/posix/px_sched_yield.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** POSIX wrapper for THREADX */
/** */
/** */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#include "tx_api.h" /* Threadx API */
#include "pthread.h" /* Posix API */
#include "tx_posix.h" /* Posix API */
#include "px_int.h" /* Posix helper functions */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* sched_yield PORTABLE C */
/* 6.x */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This routine forces the running thread to relinquish the CPU */
/* */
/* INPUT */
/* */
/* void . */
/* */
/* OUTPUT */
/* */
/* OK If successful */
/* ERROR IF fails */
/* */
/* CALLS */
/* */
/* posix_in_thread_context Checks thread is called from its context.*/
/* tx_thread_relinquish Relinquishes processor control */
/* posix_internal_error Returns generic error */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* xx-xx-xxxx William E. Lamie Initial Version 6.x */
/* */
/**************************************************************************/
INT sched_yield(VOID)
{
/* Make sure we're calling this routine from a thread context. */
if (!posix_in_thread_context())
{
/* return POSIX error. */
posix_internal_error(444);
/* return error. */
return (ERROR);
}
/* This relinquishes the CPU. */
tx_thread_relinquish();
return(OK);
}