1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2 #pragma once
3 
4 #include <stdbool.h>
5 
6 #include "sd-event.h"
7 
8 #include "macro.h"
9 
10 typedef struct PTYForward PTYForward;
11 
12 typedef enum PTYForwardFlags {
13         PTY_FORWARD_READ_ONLY = 1,
14 
15         /* Continue reading after hangup? */
16         PTY_FORWARD_IGNORE_VHANGUP = 2,
17 
18         /* Continue reading after hangup but only if we never read anything else? */
19         PTY_FORWARD_IGNORE_INITIAL_VHANGUP = 4,
20 } PTYForwardFlags;
21 
22 typedef int (*PTYForwardHandler)(PTYForward *f, int rcode, void *userdata);
23 
24 int pty_forward_new(sd_event *event, int master, PTYForwardFlags flags, PTYForward **f);
25 PTYForward *pty_forward_free(PTYForward *f);
26 
27 int pty_forward_get_last_char(PTYForward *f, char *ch);
28 
29 int pty_forward_set_ignore_vhangup(PTYForward *f, bool ignore_vhangup);
30 bool pty_forward_get_ignore_vhangup(PTYForward *f);
31 
32 bool pty_forward_is_done(PTYForward *f);
33 
34 void pty_forward_set_handler(PTYForward *f, PTYForwardHandler handler, void *userdata);
35 
36 bool pty_forward_drain(PTYForward *f);
37 
38 int pty_forward_set_priority(PTYForward *f, int64_t priority);
39 
40 int pty_forward_set_width_height(PTYForward *f, unsigned width, unsigned height);
41 
42 DEFINE_TRIVIAL_CLEANUP_FUNC(PTYForward*, pty_forward_free);
43