xref: /openbsd-src/usr.bin/tmux/cmd-lock-server.c (revision 4a81f47491cbfb08a46cd77fd45b27cb6cb98515)
1 /* $OpenBSD: cmd-lock-server.c,v 1.16 2014/04/17 11:38:35 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2008 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 "tmux.h"
22 
23 /*
24  * Lock commands.
25  */
26 
27 enum cmd_retval	 cmd_lock_server_exec(struct cmd *, struct cmd_q *);
28 
29 const struct cmd_entry cmd_lock_server_entry = {
30 	"lock-server", "lock",
31 	"", 0, 0,
32 	"",
33 	0,
34 	NULL,
35 	cmd_lock_server_exec
36 };
37 
38 const struct cmd_entry cmd_lock_session_entry = {
39 	"lock-session", "locks",
40 	"t:", 0, 0,
41 	CMD_TARGET_SESSION_USAGE,
42 	0,
43 	NULL,
44 	cmd_lock_server_exec
45 };
46 
47 const struct cmd_entry cmd_lock_client_entry = {
48 	"lock-client", "lockc",
49 	"t:", 0, 0,
50 	CMD_TARGET_CLIENT_USAGE,
51 	0,
52 	NULL,
53 	cmd_lock_server_exec
54 };
55 
56 enum cmd_retval
57 cmd_lock_server_exec(struct cmd *self, unused struct cmd_q *cmdq)
58 {
59 	struct args	*args = self->args;
60 	struct client	*c;
61 	struct session	*s;
62 
63 	if (self->entry == &cmd_lock_server_entry)
64 		server_lock();
65 	else if (self->entry == &cmd_lock_session_entry) {
66 		s = cmd_find_session(cmdq, args_get(args, 't'), 0);
67 		if (s == NULL)
68 			return (CMD_RETURN_ERROR);
69 		server_lock_session(s);
70 	} else {
71 		c = cmd_find_client(cmdq, args_get(args, 't'), 0);
72 		if (c == NULL)
73 			return (CMD_RETURN_ERROR);
74 		server_lock_client(c);
75 	}
76 	recalculate_sizes();
77 
78 	return (CMD_RETURN_NORMAL);
79 }
80