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document portal: cope with multiple events that would cause failure

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If the name is lost *and* the session bus is closed, we would
crash with an assertion failure when the GError is overwritten.

Signed-off-by: Simon McVittie <smcv@debian.org>
This commit is contained in:
Simon McVittie
2016-09-06 11:20:39 +01:00
parent c9a6da7fe5
commit 0160ed937d
1 changed files with 10 additions and 3 deletions
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13
document-portal/xdp-main.c
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@@ -972,8 +972,13 @@ on_name_lost (GDBusConnection *connection,
gpointer user_data)
{
g_debug ("%s lost", name);
final_exit_status = 20;
g_set_error (&exit_error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "D-Bus name \"%s\" lost", name);
if (final_exit_status == 0)
final_exit_status = 20;
if (exit_error == NULL)
g_set_error (&exit_error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, "D-Bus name \"%s\" lost", name);
g_main_loop_quit (loop);
}
@@ -991,7 +996,9 @@ session_bus_closed (GDBusConnection *connection,
gboolean remote_peer_vanished,
GError *bus_error)
{
g_set_error (&exit_error, G_IO_ERROR, G_IO_ERROR_BROKEN_PIPE, "Disconnected from session bus");
if (exit_error == NULL)
g_set_error (&exit_error, G_IO_ERROR, G_IO_ERROR_BROKEN_PIPE, "Disconnected from session bus");
g_main_loop_quit (loop);
}