xref: /netbsd-src/external/bsd/tmux/dist/cmd-detach-client.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /* $OpenBSD$ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <string.h>
22 
23 #include "tmux.h"
24 
25 /*
26  * Detach a client.
27  */
28 
29 enum cmd_retval	 cmd_detach_client_exec(struct cmd *, struct cmd_q *);
30 
31 const struct cmd_entry cmd_detach_client_entry = {
32 	"detach-client", "detach",
33 	"as:t:P", 0, 0,
34 	"[-P] [-a] [-s target-session] " CMD_TARGET_CLIENT_USAGE,
35 	CMD_READONLY,
36 	cmd_detach_client_exec
37 };
38 
39 const struct cmd_entry cmd_suspend_client_entry = {
40 	"suspend-client", "suspendc",
41 	"t:", 0, 0,
42 	CMD_TARGET_CLIENT_USAGE,
43 	0,
44 	cmd_detach_client_exec
45 };
46 
47 enum cmd_retval
48 cmd_detach_client_exec(struct cmd *self, struct cmd_q *cmdq)
49 {
50 	struct args	*args = self->args;
51 	struct client	*c, *cloop;
52 	struct session	*s;
53 	enum msgtype	 msgtype;
54 
55 	if (self->entry == &cmd_suspend_client_entry) {
56 		if ((c = cmd_find_client(cmdq, args_get(args, 't'), 0)) == NULL)
57 			return (CMD_RETURN_ERROR);
58 		tty_stop_tty(&c->tty);
59 		c->flags |= CLIENT_SUSPENDED;
60 		server_write_client(c, MSG_SUSPEND, NULL, 0);
61 		return (CMD_RETURN_NORMAL);
62 	}
63 
64 	if (args_has(args, 'P'))
65 		msgtype = MSG_DETACHKILL;
66 	else
67 		msgtype = MSG_DETACH;
68 
69 	if (args_has(args, 's')) {
70 		s = cmd_find_session(cmdq, args_get(args, 's'), 0);
71 		if (s == NULL)
72 			return (CMD_RETURN_ERROR);
73 
74 		TAILQ_FOREACH(cloop, &clients, entry) {
75 			if (cloop->session != s)
76 				continue;
77 			server_write_client(cloop, msgtype,
78 			    cloop->session->name,
79 			    strlen(cloop->session->name) + 1);
80 		}
81 		return (CMD_RETURN_STOP);
82 	}
83 
84 	c = cmd_find_client(cmdq, args_get(args, 't'), 0);
85 	if (c == NULL)
86 		return (CMD_RETURN_ERROR);
87 
88 	if (args_has(args, 'a')) {
89 		TAILQ_FOREACH(cloop, &clients, entry) {
90 			if (cloop->session == NULL || cloop == c)
91 				continue;
92 			server_write_client(cloop, msgtype,
93 			    cloop->session->name,
94 			    strlen(cloop->session->name) + 1);
95 		}
96 		return (CMD_RETURN_NORMAL);
97 	}
98 
99 	server_write_client(c, msgtype, c->session->name,
100 	    strlen(c->session->name) + 1);
101 	return (CMD_RETURN_STOP);
102 }
103