Changed ownership of wlr_session to the multi backend.

Currently breaks VT switching for examples.

2 files changed, 39 insertions, 13 deletions

diff --git a/backend/backend.c b/backend/backend.c
index a391b272..93f764f6 100644
--- a/backend/backend.c
+++ b/backend/backend.c
@@ -62,8 +62,7 @@ static struct wlr_backend *attempt_wl_backend(struct wl_display *display) {
 	return backend;
 }
 
-struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
-		struct wlr_session *session) {
+struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
 	struct wlr_backend *backend;
 	if (getenv("WAYLAND_DISPLAY") || getenv("_WAYLAND_DISPLAY")) {
 		backend = attempt_wl_backend(display);
@@ -71,43 +70,61 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
 			return backend;
 		}
 	}
+
+	if (getenv("DISPLAY")) {
+		// TODO: X11 backend
+		return NULL;
+	}
+
 	// Attempt DRM+libinput
-	struct wlr_udev *udev;
-	if (!(udev = wlr_udev_create(display))) {
+
+	struct wlr_session *session = wlr_session_start(display);
+	if (!session) {
+		wlr_log(L_ERROR, "Failed to start a DRM session");
+		return NULL;
+	}
+
+	struct wlr_udev *udev = wlr_udev_create(display);
+	if (!udev) {
 		wlr_log(L_ERROR, "Failed to start udev");
-		goto error;
+		goto error_session;
 	}
+
 	int gpu = wlr_udev_find_gpu(udev, session);
 	if (gpu == -1) {
 		wlr_log(L_ERROR, "Failed to open DRM device");
 		goto error_udev;
 	}
-	backend = wlr_multi_backend_create();
+
+	backend = wlr_multi_backend_create(session, udev);
 	if (!backend) {
 		goto error_gpu;
 	}
-	struct wlr_backend *libinput =
-		wlr_libinput_backend_create(display, session, udev);
+
+	struct wlr_backend *libinput = wlr_libinput_backend_create(display, session, udev);
 	if (!libinput) {
 		goto error_multi;
 	}
-	struct wlr_backend *drm =
-		wlr_drm_backend_create(display, session, udev, gpu);
+
+	struct wlr_backend *drm = wlr_drm_backend_create(display, session, udev, gpu);
 	if (!drm) {
 		goto error_libinput;
 	}
+
 	wlr_multi_backend_add(backend, libinput);
 	wlr_multi_backend_add(backend, drm);
 	return backend;
+
 error_libinput:
 	wlr_backend_destroy(libinput);
 error_multi:
 	wlr_backend_destroy(backend);
 error_gpu:
-	close(gpu);
+	wlr_session_close_file(session, gpu);
 error_udev:
 	wlr_udev_destroy(udev);
-error:
+error_session:
+	wlr_session_finish(session);
 	return NULL;
 }
 
diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index d33d137c..2e8f117c 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -1,6 +1,8 @@
 #include <stdbool.h>
 #include <stdlib.h>
 #include <wlr/backend/interface.h>
+#include <wlr/backend/udev.h>
+#include <wlr/session.h>
 #include <wlr/util/log.h>
 #include "backend/multi.h"
 
@@ -31,6 +33,8 @@ static void multi_backend_destroy(struct wlr_backend_state *state) {
 		free(sub);
 	}
 	list_free(state->backends);
+	wlr_session_finish(state->session);
+	wlr_udev_destroy(state->udev);
 	free(state);
 }
 
@@ -39,21 +43,26 @@ struct wlr_backend_impl backend_impl = {
 	.destroy = multi_backend_destroy
 };
 
-struct wlr_backend *wlr_multi_backend_create() {
+struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
+		struct wlr_udev *udev) {
 	struct wlr_backend_state *state =
 		calloc(1, sizeof(struct wlr_backend_state));
 	if (!state) {
 		wlr_log(L_ERROR, "Backend allocation failed");
 		return NULL;
 	}
+
 	state->backends = list_create();
 	if (!state->backends) {
 		free(state);
 		wlr_log(L_ERROR, "Backend allocation failed");
 		return NULL;
 	}
+
 	struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
 	state->backend = backend;
+	state->session = session;
+	state->udev = udev;
 	return backend;
 }