37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2002 by Björn Stenberg
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#include "kernel.h"
|
|
#include "thread.h"
|
|
|
|
long current_tick = 0;
|
|
|
|
void sleep(int ticks)
|
|
{
|
|
int timeout = current_tick + ticks;
|
|
|
|
/* always yield at least once */
|
|
do {
|
|
yield();
|
|
} while (TIME_BEFORE( current_tick, timeout ));
|
|
}
|
|
|
|
void yield(void)
|
|
{
|
|
switch_thread();
|
|
}
|