Ignore SIGPIPE signals to avoid process termination on cancelled transfer

That way we would be able to properly get EPIPE when trying to write to
a socket or pipe whose far end has been closed. This happens e.g. on
file copy cancellation. Glib does similar thing on GSocket initialization.

https://bugzilla.gnome.org/show_bug.cgi?id=649041

2 files changed, 10 insertions, 0 deletions

diff --git a/daemon/daemon-main.c b/daemon/daemon-main.c
index bc533461..ef9025ce 100644
--- a/daemon/daemon-main.c
+++ b/daemon/daemon-main.c
@@ -68,6 +68,12 @@ daemon_init (void)
 
   g_log_set_handler (NULL, G_LOG_LEVEL_DEBUG, log_debug, NULL);
 
+#ifdef SIGPIPE
+  /* Ignore SIGPIPE to avoid killing daemons on cancelled transfer *
+   * See https://bugzilla.gnome.org/show_bug.cgi?id=649041         *
+   */
+  signal (SIGPIPE, SIG_IGN);
+#endif
   
   dbus_error_init (&derror);
   connection = dbus_bus_get (DBUS_BUS_SESSION, &derror);
diff --git a/daemon/main.c b/daemon/main.c
index 757229d2..4703562d 100644
--- a/daemon/main.c
+++ b/daemon/main.c
@@ -54,6 +54,10 @@ main (int argc, char *argv[])
   textdomain (GETTEXT_PACKAGE);
   
   g_thread_init (NULL);
+
+#ifdef SIGPIPE
+  signal (SIGPIPE, SIG_IGN);
+#endif
   
   g_set_application_name (_("GVFS Daemon"));
   context = g_option_context_new ("");