server: Avoid using "wayland-0" as WAYLAND_DISPLAY

See https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/486
This commit is contained in:
Geoffrey Casper 2020-09-15 10:53:35 -04:00 committed by Simon Ser
parent 7aea4692b0
commit 65a751a21f

View file

@ -1,7 +1,8 @@
#define _POSIX_C_SOURCE 200112L
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <wayland-server-core.h>
#include <wlr/backend.h>
#include <wlr/backend/headless.h>
@ -151,7 +152,16 @@ bool server_init(struct sway_server *server) {
wlr_primary_selection_v1_device_manager_create(server->wl_display);
wlr_viewporter_create(server->wl_display);
server->socket = wl_display_add_socket_auto(server->wl_display);
// Avoid using "wayland-0" as display socket
char name_candidate[16];
for (int i = 1; i <= 32; ++i) {
sprintf(name_candidate, "wayland-%d", i);
if (wl_display_add_socket(server->wl_display, name_candidate) >= 0) {
server->socket = strdup(name_candidate);
break;
}
}
if (!server->socket) {
sway_log(SWAY_ERROR, "Unable to open wayland socket");
wlr_backend_destroy(server->backend);