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backend/session: decouple udev

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This commit is contained in:
illiliti 2026-05-23 09:00:59 +03:00
parent 68764dc6ac
commit 326bd749ee
5 changed files with 249 additions and 161 deletions
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34
include/backend/session/session.h
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@ -2,6 +2,31 @@
#define BACKEND_SESSION_SESSION_H
#include <stdbool.h>
#include <stdint.h>
#include <sys/types.h>
#include <xf86drm.h>
// for some reason libdrm does not define MAX3, but has defs that depend on it
#define MAX3(a, b, c) ((a) > (b) && (a) > (c) ? (a) : \
(b) > (c) ? (b) : (c))
struct drm_event_monitor;
enum drm_event_action {
DRM_EVENT_ACTION_NONE,
DRM_EVENT_ACTION_ADD,
DRM_EVENT_ACTION_CHANGE,
DRM_EVENT_ACTION_REMOVE,
};
struct drm_event_content {
char devnode[DRM_NODE_NAME_MAX];
dev_t devnum;
enum drm_event_action type;
int16_t conn_id;
int16_t prop_id;
bool has_lease;
};
struct wl_display;
struct wlr_session;
@ -17,4 +42,13 @@ void session_init(struct wlr_session *session);
struct wlr_device *session_open_if_kms(struct wlr_session *restrict session,
const char *restrict path);
struct drm_event_monitor *monitor_drm_events(int *fd);
void drm_event_monitor_free(struct drm_event_monitor *ctx);
int receive_drm_device(struct drm_event_monitor *ctx,
struct drm_event_content *ev);
const char *get_device_seat(struct drm_event_monitor *ctx, const char *devnode);
bool is_drm_device_primary(struct drm_event_monitor *ctx, const char *devnode);
#endif

6
include/wlr/backend/session.h
View file

@ -6,6 +6,7 @@
#include <wayland-server-core.h>
struct libseat;
struct drm_event_monitor;
/**
* An opened physical device.
@ -45,9 +46,8 @@ struct wlr_session {
char seat[256];
struct udev *udev;
struct udev_monitor *mon;
struct wl_event_source *udev_event;
struct drm_event_monitor *drm_handle;
struct wl_event_source *drm_event;
struct libseat *seat_handle;
struct wl_event_source *libseat_event;