[phodav: 4/14] spice-unix: handle SIGINT properly

[Marc-André Lureau <malureau src gnome org>]

commit 2694cbab62178a145ef8dd5476b0e17116d0f691
Author: Jakub Janků <jjanku redhat com>
Date:   Fri May 24 19:16:35 2019 +0200

    spice-unix: handle SIGINT properly
    
    On Unix, GLib provides a safer way to handle signals
    that should not be prone to reentrancy, so let's use it.
    
    Signed-off-by: Jakub Janků <jjanku redhat com>

 spice/spice-webdavd.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/spice/spice-webdavd.c b/spice/spice-webdavd.c
index 023996a..674a582 100644
--- a/spice/spice-webdavd.c
+++ b/spice/spice-webdavd.c
@@ -24,6 +24,7 @@
 #include <gio/gunixoutputstream.h>
 #include <fcntl.h>
 #include <glib/gstdio.h>
+#include <glib-unix.h>
 #endif
 
 #ifdef G_OS_WIN32
@@ -245,6 +246,15 @@ quit (int sig)
   g_main_loop_quit (loop);
 }
 
+#ifdef G_OS_UNIX
+static gboolean
+signal_handler (gpointer user_data)
+{
+  quit(SIGINT);
+  return G_SOURCE_REMOVE;
+}
+#endif
+
 static Client *
 add_client (GSocketConnection *client_connection)
 {
@@ -1109,7 +1119,11 @@ main (int argc, char *argv[])
     }
   g_option_context_free (opts);
 
+#ifdef G_OS_UNIX
+  g_unix_signal_add (SIGINT, signal_handler, NULL);
+#else
   signal (SIGINT, quit);
+#endif
 
   /* run socket service once at beginning, there seems to be a bug on
      windows, and it can't accept new connections if cleanup and