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Document g_timeout_add_seconds first call latency

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And fix /timeout/rounding to not fail if the first call
happens after 2 seconds.

https://bugzilla.gnome.org/show_bug.cgi?id=644552
This commit is contained in:
Emilio Pozuelo Monfort 2011-03-12 10:08:52 +00:00
parent 1a2f1d3458
commit 89ca0f7296
2 changed files with 12 additions and 2 deletions
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6
glib/gmain.c
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@ -4118,7 +4118,11 @@ g_timeout_add_seconds_full (gint priority,
* g_timeout_source_new_seconds() and attaches it to the main loop context
* using g_source_attach(). You can do these steps manually if you need
* greater control. Also see g_timout_add_seconds_full().
*
*
* Note that the first call of the timer may not be precise for timeouts
* of one second. If you need finer precision and have such a timeout,
* you may want to use g_timeout_add() instead.
*
* Return value: the ID (greater than 0) of the event source.
*
* Since: 2.14

8
glib/tests/timeout.c
View File

@ -53,7 +53,13 @@ test_func (gpointer data)
current_time = g_get_monotonic_time ();
g_assert (current_time / 1000000 - last_time / 1000000 == 1);
/* We accept 2 on the first iteration because _add_seconds() can
* have an initial latency of 1 second, see its documentation.
*/
if (count == 0)
g_assert (current_time / 1000000 - last_time / 1000000 <= 2);
else
g_assert (current_time / 1000000 - last_time / 1000000 == 1);
last_time = current_time;
count++;