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gsignal: add g_signal_name_unlocked helper

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This function fetches the name of a signal from its id.
It's like g_signal_name, but works when the signal lock is held.
This commit is contained in:
Ray Strode
2021-05-26 23:45:04 -04:00
parent d7747aa78e
commit c4ed3474a5
1 changed files with 16 additions and 5 deletions
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21
gobject/gsignal.c
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@@ -205,6 +205,7 @@ static void invalid_closure_notify (gpointer data,
static const gchar * type_debug_name (GType type);
static void node_check_deprecated (const SignalNode *node);
static void node_update_single_va_closure (SignalNode *node);
static const gchar *g_signal_name_unlocked (guint signal_id);
/* --- structures --- */
@@ -1315,6 +1316,18 @@ g_signal_list_ids (GType itype,
return (guint*) g_array_free (result, FALSE);
}
static const gchar *
g_signal_name_unlocked (guint signal_id)
{
SignalNode *node;
const gchar *name;
node = LOOKUP_SIGNAL_NODE (signal_id);
name = node ? node->name : NULL;
return (char*) name;
}
/**
* g_signal_name:
* @signal_id: the signal's identifying number.
@@ -1328,14 +1341,12 @@ g_signal_list_ids (GType itype,
const gchar *
g_signal_name (guint signal_id)
{
SignalNode *node;
const gchar *name;
SIGNAL_LOCK ();
node = LOOKUP_SIGNAL_NODE (signal_id);
name = node ? node->name : NULL;
name = g_signal_name_unlocked (signal_id);
SIGNAL_UNLOCK ();
return (char*) name;
}