Commit 13f0c6d0 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

Timer: do not run concurrently

This is useless and awkward.
parent 6f2119ef
......@@ -801,7 +801,6 @@ struct vlc_timer
{
vlc_thread_t thread;
vlc_mutex_t lock;
vlc_cond_t wait;
void (*func) (void *);
void *data;
mtime_t value, interval;
......@@ -809,20 +808,6 @@ struct vlc_timer
vlc_atomic_t overruns;
};
static void *vlc_timer_do (void *data)
{
struct vlc_timer *timer = data;
timer->func (timer->data);
vlc_mutex_lock (&timer->lock);
assert (timer->users > 0);
if (--timer->users == 0)
vlc_cond_signal (&timer->wait);
vlc_mutex_unlock (&timer->lock);
return NULL;
}
static void *vlc_timer_thread (void *data)
{
struct vlc_timer *timer = data;
......@@ -835,19 +820,11 @@ static void *vlc_timer_thread (void *data)
for (;;)
{
vlc_thread_t th;
mwait (value);
vlc_mutex_lock (&timer->lock);
if (vlc_clone (&th, vlc_timer_do, timer, VLC_THREAD_PRIORITY_INPUT))
vlc_atomic_inc(&timer->overruns);
else
{
vlc_detach (th);
timer->users++;
}
vlc_mutex_unlock (&timer->lock);
int canc = vlc_savecancel ();
timer->func (timer->data);
vlc_restorecancel (canc);
if (interval == 0)
return NULL;
......@@ -870,7 +847,8 @@ static void *vlc_timer_thread (void *data)
/**
* Initializes an asynchronous timer.
* @warning Asynchronous timers are processed from an unspecified thread.
* Also, multiple occurences of an interval timer can run concurrently.
* Multiple occurences of a single interval timer are serialized; they cannot
* run concurrently.
*
* @param id pointer to timer to be initialized
* @param func function that the timer will call
......@@ -884,7 +862,6 @@ int vlc_timer_create (vlc_timer_t *id, void (*func) (void *), void *data)
if (unlikely(timer == NULL))
return ENOMEM;
vlc_mutex_init (&timer->lock);
vlc_cond_init (&timer->wait);
assert (func);
timer->func = func;
timer->data = data;
......@@ -908,12 +885,6 @@ int vlc_timer_create (vlc_timer_t *id, void (*func) (void *), void *data)
void vlc_timer_destroy (vlc_timer_t timer)
{
vlc_timer_schedule (timer, false, 0, 0);
vlc_mutex_lock (&timer->lock);
while (timer->users != 0)
vlc_cond_wait (&timer->wait, &timer->lock);
vlc_mutex_unlock (&timer->lock);
vlc_cond_destroy (&timer->wait);
vlc_mutex_destroy (&timer->lock);
free (timer);
}
......
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