df3f307b8e
The kernel Secure Attention Key killer, triggered by SysRq+k, kills all processes that hold an fd referencing the tty. To avoid its attention, we stop storing the fd for the currently active VT in seat state. This has the added benefit of simplifying state a bit.
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
#ifndef _SEATD_SEAT_H
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#define _SEATD_SEAT_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include "linked_list.h"
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struct client;
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enum seat_device_type {
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SEAT_DEVICE_TYPE_NORMAL,
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SEAT_DEVICE_TYPE_EVDEV,
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SEAT_DEVICE_TYPE_DRM,
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};
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struct seat_device {
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struct linked_list link; // client::devices
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int device_id;
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int fd;
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int ref_cnt;
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bool active;
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char *path;
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enum seat_device_type type;
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};
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struct seat {
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struct linked_list link; // server::seats
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char *seat_name;
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struct linked_list clients;
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struct client *active_client;
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struct client *next_client;
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bool vt_bound;
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int cur_vt;
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int session_cnt;
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};
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struct seat *seat_create(const char *name, bool vt_bound);
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void seat_destroy(struct seat *seat);
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int seat_add_client(struct seat *seat, struct client *client);
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int seat_remove_client(struct client *client);
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int seat_open_client(struct seat *seat, struct client *client);
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int seat_ack_disable_client(struct client *client);
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struct seat_device *seat_open_device(struct client *client, const char *path);
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int seat_close_device(struct client *client, struct seat_device *seat_device);
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struct seat_device *seat_find_device(struct client *client, int device_id);
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int seat_set_next_session(struct client *client, int session);
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int seat_vt_activate(struct seat *seat);
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int seat_vt_release(struct seat *seat);
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#endif
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