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Release 6.1.7

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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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120
utility/rtos_compatibility_layers/posix/px_pth_setschedparam.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 "px_int.h" /* Posix helper functions */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* pthread_setschedparam PORTABLE C */
/* 6.x */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function changes the scheduling parameters of a pthread. */
/* */
/* */
/* INPUT */
/* */
/* thread POSIX thread ID */
/* policy Address of the thread attributes */
/* sched_param Address of structure to contain the */
/* returned scheduling parameters */
/* */
/* */
/* OUTPUT */
/* */
/* 0 if successful */
/* Value in case of any error */
/* */
/* CALLS */
/* */
/* posix_tid2tcb */
/* posix_tcb2thread */
/* tx_thread_priority_change */
/* */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* xx-xx-xxxx William E. Lamie Initial Version 6.x */
/* */
/**************************************************************************/
INT pthread_setschedparam(pthread_t thread, INT policy, const struct sched_param *param)
{
TX_INTERRUPT_SAVE_AREA
POSIX_TCB *thread_tcb;
TX_THREAD *TheThread;
UINT Tmp;
ULONG UTmp;
thread_tcb=posix_tid2tcb(thread);
if(thread_tcb==NULL)
{
return(ESRCH);
}
if (!(( policy == SCHED_FIFO )||(policy== SCHED_RR)))
{
return(ENOTSUP);
}
TX_DISABLE
thread_tcb->sched_policy=policy;
thread_tcb->sched_attr.sched_priority=param->sched_priority;
thread_tcb->current_priority= param->sched_priority;
TheThread=posix_tcb2thread(thread_tcb);
tx_thread_priority_change(TheThread, (TX_LOWEST_PRIORITY - thread_tcb->current_priority + 1),&Tmp);
thread_tcb->orig_priority=(ULONG) Tmp;
if(policy==SCHED_RR) thread_tcb->time_slice=SCHED_RR_TIME_SLICE;
else thread_tcb->time_slice=0;
tx_thread_time_slice_change(TheThread, thread_tcb->time_slice, &UTmp);
TX_RESTORE
return(NO_ERROR);
}