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gmain: Clarify documentation for g_source_get_id()

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It’s good to know *which* GMainContext is used to determine the ID, and
the preconditions for calling this method.

Using wording suggested by Emmanuele Bassi <ebassi@gmail.com>.

Signed-off-by: Philip Withnall <withnall@endlessm.com>
This commit is contained in:
Philip Withnall 2018-06-21 17:09:57 +01:00
parent 03c324c64a
commit 515dac258c
1 changed files with 5 additions and 0 deletions
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glib/gmain.c
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@ -1296,6 +1296,11 @@ g_source_destroy (GSource *source)
* context. The reverse
* mapping from ID to source is done by g_main_context_find_source_by_id().
*
* You can only call this function while the source is associated to a
* #GMainContext instance; calling this function before g_source_attach()
* or after g_source_destroy() yields undefined behavior. The ID returned
* is unique within the #GMainContext instance passed to g_source_attach().
*
* Returns: the ID (greater than 0) for the source
**/
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