From 119a6cf35c4163091a699d5987f8d3bab384c95e Mon Sep 17 00:00:00 2001 From: Vincent Vanlaer Date: Tue, 8 May 2018 22:22:35 +0200 Subject: [PATCH] Make xwayland_finish* clean up wlr_xwayland --- include/wlr/xwayland.h | 22 +++++++++++++--------- xwayland/xwayland.c | 12 ++++++++---- 2 files changed, 21 insertions(+), 13 deletions(-) diff --git a/include/wlr/xwayland.h b/include/wlr/xwayland.h index a802d32d..d0f37834 100644 --- a/include/wlr/xwayland.h +++ b/include/wlr/xwayland.h @@ -13,22 +13,26 @@ struct wlr_xwayland_cursor; struct wlr_xwayland { pid_t pid; - int display; - int x_fd[2], wl_fd[2], wm_fd[2]; - struct wl_event_source *x_fd_read_event[2]; struct wl_client *client; - struct wl_display *wl_display; - struct wlr_compositor *compositor; - time_t server_start; - bool lazy; - struct wl_event_source *sigusr1_source; struct wl_listener client_destroy; struct wl_listener display_destroy; struct wlr_xwm *xwm; struct wlr_xwayland_cursor *cursor; + int wm_fd[2], wl_fd[2]; - /* Anything above seat is reset on Xwayland restart, rest is conserved */ + time_t server_start; + + /* Anything above display is reset on Xwayland restart, rest is conserved */ + + int display; + int x_fd[2]; + struct wl_event_source *x_fd_read_event[2]; + + bool lazy; + + struct wl_display *wl_display; + struct wlr_compositor *compositor; struct wlr_seat *seat; struct wl_listener seat_destroy; diff --git a/xwayland/xwayland.c b/xwayland/xwayland.c index 511eb6fc..22d5cdeb 100644 --- a/xwayland/xwayland.c +++ b/xwayland/xwayland.c @@ -151,6 +151,10 @@ static void xwayland_finish_server(struct wlr_xwayland *wlr_xwayland) { safe_close(wlr_xwayland->wl_fd[1]); safe_close(wlr_xwayland->wm_fd[0]); safe_close(wlr_xwayland->wm_fd[1]); + memset(wlr_xwayland, 0, offsetof(struct wlr_xwayland, display)); + wlr_xwayland->wl_fd[0] = wlr_xwayland->wl_fd[1] = -1; + wlr_xwayland->wm_fd[0] = wlr_xwayland->wm_fd[1] = -1; + /* We do not kill the Xwayland process, it dies to broken pipe * after we close our side of the wm/wl fds. This is more reliable * than trying to kill something that might no longer be Xwayland. @@ -160,6 +164,7 @@ static void xwayland_finish_server(struct wlr_xwayland *wlr_xwayland) { static void xwayland_finish_display(struct wlr_xwayland *wlr_xwayland) { safe_close(wlr_xwayland->x_fd[0]); safe_close(wlr_xwayland->x_fd[1]); + wlr_xwayland->x_fd[0] = wlr_xwayland->x_fd[1] = -1; wl_list_remove(&wlr_xwayland->display_destroy.link); @@ -274,7 +279,6 @@ static int xwayland_socket_connected(int fd, uint32_t mask, void* data){ static bool xwayland_start_display(struct wlr_xwayland *wlr_xwayland, struct wl_display *wl_display, struct wlr_compositor *compositor) { - wlr_xwayland->x_fd[0] = wlr_xwayland->x_fd[1] = -1; wlr_xwayland->display_destroy.notify = handle_display_destroy; wl_display_add_destroy_listener(wl_display, &wlr_xwayland->display_destroy); @@ -293,8 +297,6 @@ static bool xwayland_start_display(struct wlr_xwayland *wlr_xwayland, } static bool xwayland_start_server(struct wlr_xwayland *wlr_xwayland) { - wlr_xwayland->wl_fd[0] = wlr_xwayland->wl_fd[1] = -1; - wlr_xwayland->wm_fd[0] = wlr_xwayland->wm_fd[1] = -1; if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, wlr_xwayland->wl_fd) != 0 || socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, wlr_xwayland->wm_fd) != 0) { @@ -386,7 +388,9 @@ void wlr_xwayland_destroy(struct wlr_xwayland *wlr_xwayland) { struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display, struct wlr_compositor *compositor, bool lazy) { struct wlr_xwayland *wlr_xwayland = calloc(1, sizeof(struct wlr_xwayland)); - memset(wlr_xwayland, 0, offsetof(struct wlr_xwayland, seat)); + if (!wlr_xwayland) { + return NULL; + } wlr_xwayland->wl_display = wl_display; wlr_xwayland->compositor = compositor;