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backend: introduce wlr_backend_finish 

This new functions cleans up the common backend state. While this
currently only emits the destroy signal, this will also clean up
the renderer and allocator in upcoming patches.
This commit is contained in:
Simon Ser 2021-04-29 00:07:31 +02:00 committed by Kenny Levinsen
parent beae3018cb
commit 7ec5bf6b10
9 changed files with 16 additions and 7 deletions
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5
backend/backend.c
View File

@ -18,6 +18,7 @@
#include <wlr/util/log.h>
#include "backend/backend.h"
#include "backend/multi.h"
#include "util/signal.h"
#if WLR_HAS_X11_BACKEND
#include <wlr/backend/x11.h>
@ -32,6 +33,10 @@ void wlr_backend_init(struct wlr_backend *backend,
wl_signal_init(&backend->events.new_output);
}
void wlr_backend_finish(struct wlr_backend *backend) {
wlr_signal_emit_safe(&backend->events.destroy, backend);
}
bool wlr_backend_start(struct wlr_backend *backend) {
if (backend->impl->start) {
return backend->impl->start(backend);

2
backend/drm/backend.c
View File

@ -41,7 +41,7 @@ static void backend_destroy(struct wlr_backend *backend) {
destroy_drm_connector(conn);
}
wlr_signal_emit_safe(&backend->events.destroy, backend);
wlr_backend_finish(backend);
struct wlr_drm_fb *fb, *fb_tmp;
wl_list_for_each_safe(fb, fb_tmp, &drm->fbs, link) {

2
backend/headless/backend.c
View File

@ -67,7 +67,7 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
wlr_input_device_destroy(&input_device->wlr_input_device);
}
wlr_signal_emit_safe(&wlr_backend->events.destroy, backend);
wlr_backend_finish(wlr_backend);
free(backend->format);

2
backend/libinput/backend.c
View File

@ -150,7 +150,7 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
free(wlr_devices);
}
wlr_signal_emit_safe(&wlr_backend->events.destroy, wlr_backend);
wlr_backend_finish(wlr_backend);
wl_list_remove(&backend->display_destroy.link);
wl_list_remove(&backend->session_destroy.link);

2
backend/multi/backend.c
View File

@ -58,7 +58,7 @@ static void multi_backend_destroy(struct wlr_backend *wlr_backend) {
}
// Destroy this backend only after removing all sub-backends
wlr_signal_emit_safe(&wlr_backend->events.destroy, backend);
wlr_backend_finish(wlr_backend);
free(backend);
}

2
backend/noop/backend.c
View File

@ -37,7 +37,7 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
wlr_output_destroy(&output->wlr_output);
}
wlr_signal_emit_safe(&wlr_backend->events.destroy, backend);
wlr_backend_finish(wlr_backend);
wl_list_remove(&backend->display_destroy.link);

2
backend/wayland/backend.c
View File

@ -309,7 +309,7 @@ static void backend_destroy(struct wlr_backend *backend) {
wlr_input_device_destroy(input_device);
}
wlr_signal_emit_safe(&wl->backend.events.destroy, &wl->backend);
wlr_backend_finish(backend);
wl_list_remove(&wl->local_display_destroy.link);

2
backend/x11/backend.c
View File

@ -191,7 +191,7 @@ static void backend_destroy(struct wlr_backend *backend) {
wlr_input_device_destroy(&x11->keyboard_dev);
wlr_signal_emit_safe(&backend->events.destroy, backend);
wlr_backend_finish(backend);
if (x11->event_source) {
wl_event_source_remove(x11->event_source);

4
include/wlr/backend/interface.h
View File

@ -29,5 +29,9 @@ struct wlr_backend_impl {
*/
void wlr_backend_init(struct wlr_backend *backend,
const struct wlr_backend_impl *impl);
/**
* Emit the destroy event and clean up common backend state.
*/
void wlr_backend_finish(struct wlr_backend *backend);
#endif