linux: If D-Bus isn't available on the system, don't keep trying to load it.

Fixes Bugzilla #4476.
This commit is contained in:
Ryan C. Gordon 2019-10-09 19:38:16 -04:00
parent cf092eca90
commit a747106c97

View File

@ -111,8 +111,19 @@ LoadDBUSLibrary(void)
void void
SDL_DBus_Init(void) SDL_DBus_Init(void)
{ {
if (!dbus.session_conn && LoadDBUSLibrary() != -1) { static SDL_bool is_dbus_available = SDL_TRUE;
if (!is_dbus_available) {
return; /* don't keep trying if this fails. */
}
if (!dbus.session_conn) {
DBusError err; DBusError err;
if (LoadDBUSLibrary() == -1) {
is_dbus_available = SDL_FALSE; /* can't load at all? Don't keep trying. */
return; /* oh well */
}
dbus.error_init(&err); dbus.error_init(&err);
dbus.session_conn = dbus.bus_get_private(DBUS_BUS_SESSION, &err); dbus.session_conn = dbus.bus_get_private(DBUS_BUS_SESSION, &err);
if (!dbus.error_is_set(&err)) { if (!dbus.error_is_set(&err)) {
@ -121,6 +132,7 @@ SDL_DBus_Init(void)
if (dbus.error_is_set(&err)) { if (dbus.error_is_set(&err)) {
dbus.error_free(&err); dbus.error_free(&err);
SDL_DBus_Quit(); SDL_DBus_Quit();
is_dbus_available = SDL_FALSE;
return; /* oh well */ return; /* oh well */
} }
dbus.connection_set_exit_on_disconnect(dbus.system_conn, 0); dbus.connection_set_exit_on_disconnect(dbus.system_conn, 0);
@ -154,15 +166,11 @@ SDL_DBus_Quit(void)
SDL_DBusContext * SDL_DBusContext *
SDL_DBus_GetContext(void) SDL_DBus_GetContext(void)
{ {
if(!dbus_handle || !dbus.session_conn){ if (!dbus_handle || !dbus.session_conn) {
SDL_DBus_Init(); SDL_DBus_Init();
} }
if(dbus_handle && dbus.session_conn){ return (dbus_handle && dbus.session_conn) ? &dbus : NULL;
return &dbus;
} else {
return NULL;
}
} }
static SDL_bool static SDL_bool