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xwayland/server: add start signal

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This can be used to know when wlr_xwayland_server decides to start
a new Xwayland process. At that point the wl_client has already
been created but the Xwayland process hasn't been started yet.
This commit is contained in:
Simon Ser 2022-10-18 13:49:18 +02:00 committed by Simon Zeni
parent d3b84463f8
commit 3f40b0031f
2 changed files with 4 additions and 0 deletions
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1
include/wlr/xwayland/server.h
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@ -41,6 +41,7 @@ struct wlr_xwayland_server {
struct wl_display *wl_display;
struct {
struct wl_signal start;
struct wl_signal ready;
struct wl_signal destroy;
} events;

3
xwayland/server.c
View file

@ -365,6 +365,8 @@ static bool server_start(struct wlr_xwayland_server *server) {
server->pipe_source = wl_event_loop_add_fd(loop, notify_fd[0],
WL_EVENT_READABLE, xserver_handle_ready, server);
wl_signal_emit_mutable(&server->events.start, NULL);
server->pid = fork();
if (server->pid < 0) {
wlr_log_errno(WLR_ERROR, "fork failed");
@ -460,6 +462,7 @@ struct wlr_xwayland_server *wlr_xwayland_server_create(
server->wl_fd[0] = server->wl_fd[1] = -1;
server->wm_fd[0] = server->wm_fd[1] = -1;
wl_signal_init(&server->events.start);
wl_signal_init(&server->events.ready);
wl_signal_init(&server->events.destroy);