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docs: Clarify return/error behaviour of D-Bus signal subscriptions

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Based on a patch by David Sommerseth, from
https://gitlab.gnome.org/GNOME/glib/merge_requests/285/.

Signed-off-by: Philip Withnall <withnall@endlessm.com>
This commit is contained in:
Philip Withnall 2018-11-13 12:44:34 +00:00
parent b323635d79
commit c63d37fdc2
1 changed files with 5 additions and 0 deletions
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5
gio/gdbusconnection.c
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@ -3410,6 +3410,11 @@ is_signal_data_for_name_lost_or_acquired (SignalData *signal_data)
* signal is unsubscribed from, and may be called after @connection
* has been destroyed.)
*
* The returned subscription identifier is an opaque value which is guaranteed
* to never be zero.
*
* This function can never fail.
*
* Returns: a subscription identifier that can be used with g_dbus_connection_signal_unsubscribe()
*
* Since: 2.26