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Fixed handling of timer callback routines when the thread owning the 

callback terminates.
This commit is contained in:
Alexandre Julliard 2002-03-23 18:50:04 +00:00
parent ac0e137998
commit 15979fda75
2 changed files with 12 additions and 3 deletions
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1
server/thread.c
View File

@ -554,6 +554,7 @@ int thread_queue_apc( struct thread *thread, struct object *owner, void *func,
/* cancel a possible previous APC with the same owner */
if (owner) thread_cancel_apc( thread, owner, system );
if (thread->state == TERMINATED) return 0;
if (!(apc = mem_alloc( sizeof(*apc) + (nb_args-1)*sizeof(apc->args[0]) ))) return 0;
apc->prev = queue->tail;

14
server/timer.c
View File

@ -93,8 +93,14 @@ static void timer_callback( void *private )
/* queue an APC */
if (timer->thread)
thread_queue_apc( timer->thread, &timer->obj, timer->callback, APC_TIMER, 0, 3,
(void *)timer->when.tv_sec, (void *)timer->when.tv_usec, timer->arg );
{
if (!thread_queue_apc( timer->thread, &timer->obj, timer->callback, APC_TIMER, 0, 3,
(void *)timer->when.tv_sec, (void *)timer->when.tv_usec, timer->arg))
{
release_object( timer->thread );
timer->thread = NULL;
}
}
if (timer->period) /* schedule the next expiration */
{
@ -119,6 +125,7 @@ static void cancel_timer( struct timer *timer )
if (timer->thread)
{
thread_cancel_apc( timer->thread, &timer->obj, 0 );
release_object( timer->thread );
timer->thread = NULL;
}
}
@ -147,7 +154,7 @@ static void set_timer( struct timer *timer, int sec, int usec, int period,
timer->period = period;
timer->callback = callback;
timer->arg = arg;
if (callback) timer->thread = current;
if (callback) timer->thread = (struct thread *)grab_object( current );
timer->timeout = add_timeout_user( &timer->when, timer_callback, timer );
}
@ -182,6 +189,7 @@ static void timer_destroy( struct object *obj )
assert( obj->ops == &timer_ops );
if (timer->timeout) remove_timeout_user( timer->timeout );
if (timer->thread) release_object( timer->thread );
}
/* create a timer */