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added functions for changing/getting a poller's poll interval: ecore_poller_poller_interval_(set|get) along with dox for them 

surprisingly enough they seem to work!


SVN revision: 49002
This commit is contained in:
Mike Blumenkrantz 2010-05-19 09:16:37 +00:00
parent 5259fb8d83
commit d55e116a4e
2 changed files with 84 additions and 6 deletions
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2
legacy/ecore/src/lib/ecore/Ecore.h
View File

@ -345,6 +345,8 @@ extern "C" {
EAPI void ecore_poller_poll_interval_set(Ecore_Poller_Type type, double poll_time);
EAPI double ecore_poller_poll_interval_get(Ecore_Poller_Type type);
EAPI Eina_Bool ecore_poller_poller_interval_set(Ecore_Poller *poller, int interval);
EAPI int ecore_poller_poller_interval_get(Ecore_Poller *poller);
EAPI Ecore_Poller *ecore_poller_add(Ecore_Poller_Type type, int interval, int (*func) (void *data), const void *data);
EAPI void *ecore_poller_del(Ecore_Poller *poller);

88
legacy/ecore/src/lib/ecore/ecore_poll.c
View File

@ -315,6 +315,82 @@ ecore_poller_add(Ecore_Poller_Type type __UNUSED__, int interval, int (*func) (v
return poller;
}
/**
* Changes the polling interval rate of @p poller.
*
* @param poller The Ecore_Poller to change the interval of
* @param interval The tick interval to set; must be a power of 2 but <= 32768
* @return Returns true on success, false on failure
*
* This allows the changing of a poller's polling interval. It is useful when you want to alter
* a poll rate without deleting and re-creating a poller.
* @ingroup Ecore_Poller_Group
*/
EAPI Eina_Bool
ecore_poller_poller_interval_set(Ecore_Poller *poller, int interval)
{
int ibit;
if (!ECORE_MAGIC_CHECK(poller, ECORE_MAGIC_POLLER))
{
ECORE_MAGIC_FAIL(poller, ECORE_MAGIC_POLLER,
"ecore_poller_poller_interval_set");
return 0;
}
/* interval MUST be a power of 2, so enforce it */
if (interval < 1) interval = 1;
ibit = -1;
while (interval != 0)
{
ibit++;
interval >>= 1;
}
/* only allow up to 32768 - i.e. ibit == 15, so limit it */
if (ibit > 15) ibit = 15;
/* if interval specified is the same as interval set, return true without wasting time */
if (poller->ibit == ibit)
return 1;
pollers[poller->ibit] = (Ecore_Poller *) eina_inlist_remove(EINA_INLIST_GET(pollers[poller->ibit]), EINA_INLIST_GET(poller));
poller->ibit = ibit;
pollers[poller->ibit] = (Ecore_Poller *) eina_inlist_prepend(EINA_INLIST_GET(pollers[poller->ibit]), EINA_INLIST_GET(poller));
if (poller_walking)
just_added_poller++;
else
_ecore_poller_next_tick_eval();
return 1;
}
/**
* Gets the polling interval rate of @p poller.
*
* @param poller The Ecore_Poller to change the interval of
* @return Returns the interval, in ticks, that @p poller polls at
*
* This returns a poller's polling interval, or 0 on error.
* @ingroup Ecore_Poller_Group
*/
EAPI int
ecore_poller_poller_interval_get(Ecore_Poller *poller)
{
int ibit, interval = 1;
if (!ECORE_MAGIC_CHECK(poller, ECORE_MAGIC_POLLER))
{
ECORE_MAGIC_FAIL(poller, ECORE_MAGIC_POLLER,
"ecore_poller_poller_interval_get");
return 0;
}
ibit = poller->ibit;
while (ibit != 0)
{
ibit--;
interval <<= 1;
}
return interval;
}
/**
* Delete the specified poller from the timer list.
* @param poller The poller to delete.
@ -332,18 +408,18 @@ ecore_poller_del(Ecore_Poller *poller)
if (!ECORE_MAGIC_CHECK(poller, ECORE_MAGIC_POLLER))
{
ECORE_MAGIC_FAIL(poller, ECORE_MAGIC_POLLER,
"ecore_poller_del");
return NULL;
ECORE_MAGIC_FAIL(poller, ECORE_MAGIC_POLLER,
"ecore_poller_del");
return NULL;
}
/* we are walking the poller list - a bad idea to remove from it while
* walking it, so just flag it as delete_me and come back to it after
* the loop has finished */
if (poller_walking > 0)
{
poller_delete_count++;
poller->delete_me = 1;
return poller->data;
poller_delete_count++;
poller->delete_me = 1;
return poller->data;
}
/* not in loop so safe - delete immediately */
data = poller->data;