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xwayland: terminate when no client is connected

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Automatically shutdown Xwayland 10s after all X11 clients have
gone away.
This commit is contained in:
Simon Ser 2021-06-25 13:49:47 +02:00 committed by Kenny Levinsen
parent 352064d76d
commit f575e445ec
4 changed files with 19 additions and 0 deletions
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1
include/xwayland/xwm.h
View file

@ -122,6 +122,7 @@ struct wlr_xwm {
const xcb_query_extension_reply_t *xfixes; const xcb_query_extension_reply_t *xfixes;
const xcb_query_extension_reply_t *xres; const xcb_query_extension_reply_t *xres;
uint32_t xfixes_major_version;
#if HAS_XCB_ERRORS #if HAS_XCB_ERRORS
xcb_errors_context_t *errors_context; xcb_errors_context_t *errors_context;
#endif #endif

6
xwayland/meson.build
View file

@ -74,3 +74,9 @@ wlr_files += files(
) )
wlr_deps += xwayland_libs wlr_deps += xwayland_libs
features += { 'xwayland': true } features += { 'xwayland': true }
have = cc.has_function('xcb_xfixes_set_client_disconnect_mode', dependencies: xwayland_libs)
add_project_arguments(
'-DHAS_XCB_XFIXES_SET_CLIENT_DISCONNECT_MODE=@0@'.format(have.to_int()),
language: 'c',
)

3
xwayland/xwayland.c
View file

@ -88,6 +88,9 @@ struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display,
struct wlr_xwayland_server_options options = { struct wlr_xwayland_server_options options = {
.lazy = lazy, .lazy = lazy,
.enable_wm = true, .enable_wm = true,
#if HAS_XCB_XFIXES_SET_CLIENT_DISCONNECT_MODE
.terminate_delay = lazy ? 10 : 0,
#endif
}; };
xwayland->server = wlr_xwayland_server_create(wl_display, &options); xwayland->server = wlr_xwayland_server_create(wl_display, &options);
if (xwayland->server == NULL) { if (xwayland->server == NULL) {

9
xwayland/xwm.c
View file

@ -1842,6 +1842,7 @@ static void xwm_get_resources(struct wlr_xwm *xwm) {
wlr_log(WLR_DEBUG, "xfixes version: %" PRIu32 ".%" PRIu32, wlr_log(WLR_DEBUG, "xfixes version: %" PRIu32 ".%" PRIu32,
xfixes_reply->major_version, xfixes_reply->minor_version); xfixes_reply->major_version, xfixes_reply->minor_version);
xwm->xfixes_major_version = xfixes_reply->major_version;
free(xfixes_reply); free(xfixes_reply);
@ -2103,6 +2104,14 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *xwayland, int wm_fd) {
sizeof(supported)/sizeof(*supported), sizeof(supported)/sizeof(*supported),
supported); supported);
#if HAS_XCB_XFIXES_SET_CLIENT_DISCONNECT_MODE
if (xwm->xwayland->server->options.terminate_delay > 0 &&
xwm->xfixes_major_version >= 6) {
xcb_xfixes_set_client_disconnect_mode(xwm->xcb_conn,
XCB_XFIXES_CLIENT_DISCONNECT_FLAGS_TERMINATE);
}
#endif
xcb_flush(xwm->xcb_conn); xcb_flush(xwm->xcb_conn);
xwm_set_net_active_window(xwm, XCB_WINDOW_NONE); xwm_set_net_active_window(xwm, XCB_WINDOW_NONE);