From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Sun, 1 Dec 2019 01:52:50 +0000 (+0900)
Subject: ctl: card: emit 'disconnection' signal when detecting disconnection of sound card
X-Git-Tag: v0.1.0~389
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=c6a355abb5c2d1c5a22daf731cbd2db50ccaa308;p=alsa-gobject.git

ctl: card: emit 'disconnection' signal when detecting disconnection of sound card
---

diff --git a/src/ctl/card.c b/src/ctl/card.c
index 1adf01a..e313c77 100644
--- a/src/ctl/card.c
+++ b/src/ctl/card.c
@@ -773,8 +773,12 @@ static gboolean ctl_card_dispatch_src(GSource *gsrc, GSourceFunc cb,
         return G_SOURCE_REMOVE;
 
     condition = g_source_query_unix_fd(gsrc, src->tag);
-    if (condition & G_IO_ERR)
+    if (condition & G_IO_ERR) {
+        g_signal_emit(self,
+                      ctl_card_sigs[CTL_CARD_SIG_HANDLE_DISCONNECTION],
+                      0, NULL);
         return G_SOURCE_REMOVE;
+    }
 
     len = read(priv->fd, src->buf, src->buf_len);
     if (len < 0) {