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Use SERVICES callback to implement Windows timers. 

Timer expiration handling removed from EVENT_WaitNetEvent loop.
This commit is contained in:
Ulrich Weigand 1999-05-02 11:30:39 +00:00 committed by Alexandre Julliard
parent d38ae1f79b
commit 9dcaeca29f
3 changed files with 51 additions and 64 deletions
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2
include/message.h
View File

@ -22,8 +22,6 @@ extern BOOL TIMER_Init( void );
extern void TIMER_RemoveWindowTimers( HWND hwnd );
extern void TIMER_RemoveQueueTimers( HQUEUE16 hqueue );
extern void TIMER_SwitchQueue( HQUEUE16 hOldQueue, HQUEUE16 hNewQueue );
extern LONG TIMER_GetNextExpiration(void);
extern void TIMER_ExpireTimers(void);
extern BOOL TIMER_GetTimerMsg( MSG *msg, HWND hwnd,
HQUEUE16 hQueue, BOOL remove );

81
windows/timer.c
View File

@ -8,6 +8,7 @@
#include "queue.h"
#include "task.h"
#include "winproc.h"
#include "services.h"
#include "debug.h"
DEFAULT_DEBUG_CHANNEL(timer)
@ -189,48 +190,23 @@ static void TIMER_RestartTimer( TIMER * pTimer, DWORD curTime )
TIMER_InsertTimer( pTimer );
}
/***********************************************************************
* TIMER_GetNextExpiration
*
* Return next timer expiration time, or -1 if none.
*/
LONG TIMER_GetNextExpiration(void)
{
TIMER *pTimer;
LONG retValue;
EnterCriticalSection( &csTimer );
pTimer = pNextTimer;
while (pTimer && !pTimer->expires) /* Skip already expired timers */
pTimer = pTimer->next;
if (pTimer)
{
DWORD now = GetTickCount();
retValue = (pTimer->expires <= now) ? 0 : (pTimer->expires - now);
}
else retValue = -1;
LeaveCriticalSection( &csTimer );
return retValue;
}
/***********************************************************************
* TIMER_ExpireTimers
* TIMER_CheckTimers
*
* Mark expired timers and wake the appropriate queues.
*/
void TIMER_ExpireTimers(void)
static void CALLBACK TIMER_CheckTimers( ULONG_PTR forceTimer )
{
static HANDLE ServiceHandle = INVALID_HANDLE_VALUE;
static LONG ServiceTimeout = 0;
TIMER *pTimer;
DWORD curTime = GetTickCount();
EnterCriticalSection( &csTimer );
TRACE(timer, "Called at %ld (%s)\n", curTime, forceTimer? "manual" : "auto" );
pTimer = pNextTimer;
while (pTimer && !pTimer->expires) /* Skip already expired timers */
@ -242,6 +218,37 @@ void TIMER_ExpireTimers(void)
pTimer = pTimer->next;
}
/* Install service callback with appropriate timeout, so that
we get called again once the next timer has expired */
if (pTimer)
{
LONG timeout = pTimer->expires - curTime;
if ( forceTimer || timeout != ServiceTimeout )
{
if ( ServiceHandle != INVALID_HANDLE_VALUE )
SERVICE_Delete( ServiceHandle );
ServiceHandle = SERVICE_AddTimer( timeout * 1000L,
TIMER_CheckTimers, FALSE );
ServiceTimeout = timeout;
TRACE(timer, "Installed service callback with timeout %ld\n", timeout );
}
}
else
{
if ( ServiceHandle != INVALID_HANDLE_VALUE )
{
SERVICE_Delete( ServiceHandle );
ServiceHandle = INVALID_HANDLE_VALUE;
ServiceTimeout = 0;
TRACE(timer, "Deleted service callback\n" );
}
}
LeaveCriticalSection( &csTimer );
}
@ -272,11 +279,15 @@ BOOL TIMER_GetTimerMsg( MSG *msg, HWND hwnd,
return FALSE; /* No timer */
}
if (remove) TIMER_RestartTimer( pTimer, curTime ); /* Restart it */
TRACE(timer, "Timer expired: %04x, %04x, %04x, %08lx\n",
pTimer->hwnd, pTimer->msg, pTimer->id, (DWORD)pTimer->proc);
if (remove)
{
TIMER_RestartTimer( pTimer, curTime ); /* Restart it */
TIMER_CheckTimers( TRUE );
}
/* Build the message */
msg->hwnd = pTimer->hwnd;
msg->message = pTimer->msg;
@ -318,6 +329,7 @@ static UINT TIMER_SetTimer( HWND hwnd, UINT id, UINT timeout,
type, WIN_PROC_TIMER );
pTimer->expires = GetTickCount() + timeout;
TIMER_InsertTimer( pTimer );
TIMER_CheckTimers( TRUE );
LeaveCriticalSection( &csTimer );
return id;
}
@ -351,6 +363,7 @@ static UINT TIMER_SetTimer( HWND hwnd, UINT id, UINT timeout,
pTimer, pTimer->hwnd, pTimer->msg, pTimer->id,
(DWORD)pTimer->proc );
TIMER_InsertTimer( pTimer );
TIMER_CheckTimers( TRUE );
LeaveCriticalSection( &csTimer );

32
windows/x11drv/event.c
View File

@ -205,26 +205,15 @@ void EVENT_ReadWakeUpPipe(void)
BOOL X11DRV_EVENT_WaitNetEvent( BOOL sleep, BOOL peek )
{
XEvent event;
LONG maxWait = sleep ? TIMER_GetNextExpiration() : 0;
int pending = TSXPending(display);
/* Wait for an event or a timeout. If maxWait is -1, we have no timeout;
* in this case, we fall through directly to the XNextEvent loop.
*/
if (!pending)
if (!pending && sleep)
{
int num_pending;
struct timeval timeout;
fd_set io_set[3];
memcpy( io_set, __event_io_set, sizeof(io_set) );
if(maxWait != -1) {
timeout.tv_usec = (maxWait % 1000) * 1000;
timeout.tv_sec = maxWait / 1000;
}
#ifdef CONFIG_IPC
sigsetjmp(env_wait_x, 1);
stop_wait_op= CONT;
@ -238,37 +227,24 @@ BOOL X11DRV_EVENT_WaitNetEvent( BOOL sleep, BOOL peek )
/* The code up to the next "stop_wait_op = CONT" must be reentrant */
num_pending = select( __event_max_fd, &io_set[EVENT_IO_READ],
&io_set[EVENT_IO_WRITE],
&io_set[EVENT_IO_EXCEPT], (maxWait == -1) ? 0 : &timeout );
&io_set[EVENT_IO_EXCEPT], NULL );
if ( num_pending == -1 )
{
/* Error - signal, invalid arguments, out of memory */
stop_wait_op = CONT;
return FALSE;
}
if ( num_pending == 0 )
{
/* Timeout */
stop_wait_op = CONT;
TIMER_ExpireTimers(); /* FIXME: should this be done even if sleep == 0? */
return FALSE;
}
else stop_wait_op = CONT;
stop_wait_op = CONT;
#else /* CONFIG_IPC */
num_pending = select( __event_max_fd, &io_set[EVENT_IO_READ],
&io_set[EVENT_IO_WRITE],
&io_set[EVENT_IO_EXCEPT], (maxWait == -1) ? 0 : &timeout );
&io_set[EVENT_IO_EXCEPT], NULL );
if ( num_pending == -1 )
{
/* Error - signal, invalid arguments, out of memory */
return FALSE;
}
if ( num_pending == 0 )
{
/* Timeout */
TIMER_ExpireTimers(); /* FIXME: should this be done even if sleep == 0? */
return FALSE;
}
#endif /* CONFIG_IPC */
/* Flush the wake-up pipe, it's just dummy data for waking-up this