yieldthread.c 1.06 KB
/**************************************************************************
 *									  *
 *		 Copyright (C) 1994, Silicon Graphics, Inc.		  *
 *									  *
 *  These coded instructions, statements, and computer programs  contain  *
 *  unpublished  proprietary  information of Silicon Graphics, Inc., and  *
 *  are protected by Federal copyright law.  They  may  not be disclosed  *
 *  to  third  parties  or copied or duplicated in any form, in whole or  *
 *  in part, without the prior written consent of Silicon Graphics, Inc.  *
 *									  *
 **************************************************************************/

#include "osint.h"

/*
 * osYieldThread
 *
 * Yields the processor by putting the running thread back onto the run queue
 * after all other threads of the same priority and invoking the dispatcher.
 */
void
osYieldThread(void)
{
	register u32 saveMask;

	/* Disable interrupts */
	saveMask = __osDisableInt();

	__osRunningThread->state = OS_STATE_RUNNABLE;
	__osEnqueueAndYield(&__osRunQueue);

	/* Restore interrupts */
	__osRestoreInt(saveMask);
}