1 files changed, 54 insertions, 0 deletions
diff --git a/backend/session/session.c b/backend/session/session.c
new file mode 100644
index 00000000..3f4c7910
--- /dev/null
+++ b/backend/session/session.c
@@ -0,0 +1,54 @@
+#include <stddef.h>
+#include <stdarg.h>
+#include <wlr/session.h>
+#include <wlr/session/interface.h>
+#include <wlr/util/log.h>
+
+extern const struct session_impl session_logind;
+extern const struct session_impl session_direct;
+
+static const struct session_impl *impls[] = {
+#ifdef HAS_SYSTEMD
+	&session_logind,
+#endif
+	&session_direct,
+	NULL,
+};
+
+struct wlr_session *wlr_session_start(struct wl_display *disp) {
+	const struct session_impl **iter;
+
+	for (iter = impls; *iter; ++iter) {
+		struct wlr_session *session = (*iter)->start(disp);
+		if (session) {
+			return session;
+		}
+	}
+
+	wlr_log(L_ERROR, "Failed to load session backend");
+	return NULL;
+}
+
+void wlr_session_finish(struct wlr_session *session) {
+	if (!session) {
+		return;
+	}
+
+	session->impl->finish(session);
+};
+
+int wlr_session_open_file(struct wlr_session *session, const char *path) {
+	return session->impl->open(session, path);
+}
+
+void wlr_session_close_file(struct wlr_session *session, int fd) {
+	session->impl->close(session, fd);
+}
+
+bool wlr_session_change_vt(struct wlr_session *session, unsigned vt) {
+	if (!session) {
+		return false;
+	}
+
+	return session->impl->change_vt(session, vt);
+}