26507c1bf2
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2787 a1c6a512-1295-4272-9138-f99709370657
86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2002 by Felix Arends
|
|
*
|
|
* 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 <windows.h>
|
|
#include "uisw32.h"
|
|
#include "kernel.h"
|
|
#include "thread-win32.h"
|
|
#include "thread.h"
|
|
|
|
/* (Daniel 2002-10-31) Mingw32 requires this errno variable to be present.
|
|
I'm not quite sure why and I don't know if this breaks the MSVC compile.
|
|
If it does, we should put this within #ifdef __MINGW32__ */
|
|
int errno;
|
|
|
|
void sleep(int ticks)
|
|
{
|
|
Sleep (1000 / HZ * ticks);
|
|
}
|
|
|
|
|
|
void yield (void)
|
|
{
|
|
Sleep (1); /* prevent busy loop */
|
|
PostThreadMessage (GetWindowThreadProcessId (hGUIWnd,NULL), TM_YIELD, 0, 0);
|
|
}
|
|
|
|
void queue_init(struct event_queue *q)
|
|
{
|
|
q->read = 0;
|
|
q->write = 0;
|
|
}
|
|
|
|
void queue_wait(struct event_queue *q, struct event *ev)
|
|
{
|
|
while(q->read == q->write)
|
|
{
|
|
switch_thread();
|
|
}
|
|
|
|
*ev = q->events[(q->read++) & QUEUE_LENGTH_MASK];
|
|
}
|
|
|
|
void queue_post(struct event_queue *q, int id, void *data)
|
|
{
|
|
int wr;
|
|
int oldlevel;
|
|
|
|
oldlevel = set_irq_level(15);
|
|
wr = (q->write++) & QUEUE_LENGTH_MASK;
|
|
|
|
q->events[wr].id = id;
|
|
q->events[wr].data = data;
|
|
set_irq_level(oldlevel);
|
|
}
|
|
|
|
bool queue_empty(struct event_queue* q)
|
|
{
|
|
return ( q->read == q->write );
|
|
}
|
|
|
|
void switch_thread (void)
|
|
{
|
|
yield ();
|
|
}
|
|
|
|
int set_irq_level (int level)
|
|
{
|
|
static int _lv = 0;
|
|
return (_lv = level);
|
|
}
|