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tmux/cmd-detach-client.c

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Expand the Id keyword.
2011-07-09 09:42:33 +00:00
/* $Id$ */
Add -c option to specify client, and move detach/refresh to client rather than session.
2007-11-16 21:12:31 +00:00
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include "tmux.h"
/*
* Detach a client.
*/
Add a command queue to standardize and simplify commands that call other commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
2013-02-23 22:25:58 +00:00
enum cmd_retval cmd_detach_client_exec(struct cmd *, struct cmd_q *);
Add -c option to specify client, and move detach/refresh to client rather than session.
2007-11-16 21:12:31 +00:00
const struct cmd_entry cmd_detach_client_entry = {
Move -s and -c down a level so handling them is the responsibility of the command (with some helper functions), rather than the top-level. This changes the action command syntax so that -s and -c must be after the command rather than before.
2008-06-02 18:08:17 +00:00
"detach-client", "detach",
Sync OpenBSD patchset 1133: Add -a flag for detach-client, from Thomas Adam.
2012-06-18 15:11:35 +00:00
"as:t:P", 0, 0,
"[-P] [-a] [-s target-session] " CMD_TARGET_CLIENT_USAGE,
Sync OpenBSD patchset 829: Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
2011-01-07 14:45:34 +00:00
CMD_READONLY,
NULL,
cmd_detach_client_exec
Add -c option to specify client, and move detach/refresh to client rather than session.
2007-11-16 21:12:31 +00:00
};
Sync OpenBSD patchset 1151: Make command exec functions return an enum rather than -1/0/1 values and add a new value to mean "leave client running but don't attach" to fix problems with using some commands in a command sequence. Most of the work by Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.
2012-07-11 19:37:32 +00:00
enum cmd_retval
Add a command queue to standardize and simplify commands that call other commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
2013-02-23 22:25:58 +00:00
cmd_detach_client_exec(struct cmd *self, struct cmd_q *cmdq)
Add -c option to specify client, and move detach/refresh to client rather than session.
2007-11-16 21:12:31 +00:00
{
Sync OpenBSD patchset 829: Clean up and simplify tmux command argument parsing. Originally, tmux commands were parsed in the client process into a struct with the command data which was then serialised and sent to the server to be executed. The parsing was later moved into the server (an argv was sent from the client), but the parse step and intermediate struct was kept. This change removes that struct and the separate parse step. Argument parsing and printing is now common to all commands (in arguments.c) with each command left with just an optional check function (to validate the arguments at parse time), the exec function and a function to set up any key bindings (renamed from the old init function). This is overall more simple and consistent. There should be no changes to any commands behaviour or syntax although as this touches every command please watch for any unexpected changes.
2011-01-07 14:45:34 +00:00
struct args *args = self->args;
Sync OpenBSD patchset 1133: Add -a flag for detach-client, from Thomas Adam.
2012-06-18 15:11:35 +00:00
struct client *c, *c2;
Add -s option to detach all clients attached to a session, from Zac Sprackett.
2011-04-11 06:44:56 +00:00
struct session *s;
enum msgtype msgtype;
u_int i;
Move -s and -c down a level so handling them is the responsibility of the command (with some helper functions), rather than the top-level. This changes the action command syntax so that -s and -c must be after the command rather than before.
2008-06-02 18:08:17 +00:00
Sync OpenBSD patchset 863: Add a -P option to detach to HUP the client's parent process (usually causing it to exit as well).
2011-03-19 23:27:35 +00:00
if (args_has(args, 'P'))
Add -s option to detach all clients attached to a session, from Zac Sprackett.
2011-04-11 06:44:56 +00:00
msgtype = MSG_DETACHKILL;
Sync OpenBSD patchset 863: Add a -P option to detach to HUP the client's parent process (usually causing it to exit as well).
2011-03-19 23:27:35 +00:00
else
Add -s option to detach all clients attached to a session, from Zac Sprackett.
2011-04-11 06:44:56 +00:00
msgtype = MSG_DETACH;
if (args_has(args, 's')) {
Add a command queue to standardize and simplify commands that call other commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
2013-02-23 22:25:58 +00:00
s = cmd_find_session(cmdq, args_get(args, 's'), 0);
Add -s option to detach all clients attached to a session, from Zac Sprackett.
2011-04-11 06:44:56 +00:00
if (s == NULL)
Sync OpenBSD patchset 1151: Make command exec functions return an enum rather than -1/0/1 values and add a new value to mean "leave client running but don't attach" to fix problems with using some commands in a command sequence. Most of the work by Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.
2012-07-11 19:37:32 +00:00
return (CMD_RETURN_ERROR);
Add -s option to detach all clients attached to a session, from Zac Sprackett.
2011-04-11 06:44:56 +00:00
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL && c->session == s)
server_write_client(c, msgtype, NULL, 0);
}
} else {
Add a command queue to standardize and simplify commands that call other commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
2013-02-23 22:25:58 +00:00
c = cmd_find_client(cmdq, args_get(args, 't'), 0);
Add -s option to detach all clients attached to a session, from Zac Sprackett.
2011-04-11 06:44:56 +00:00
if (c == NULL)
Sync OpenBSD patchset 1151: Make command exec functions return an enum rather than -1/0/1 values and add a new value to mean "leave client running but don't attach" to fix problems with using some commands in a command sequence. Most of the work by Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.
2012-07-11 19:37:32 +00:00
return (CMD_RETURN_ERROR);
Add -s option to detach all clients attached to a session, from Zac Sprackett.
2011-04-11 06:44:56 +00:00
Sync OpenBSD patchset 1133: Add -a flag for detach-client, from Thomas Adam.
2012-06-18 15:11:35 +00:00
if (args_has(args, 'a')) {
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c2 = ARRAY_ITEM(&clients, i);
if (c2 == NULL || c == c2)
continue;
server_write_client(c2, msgtype, NULL, 0);
}
} else
server_write_client(c, msgtype, NULL, 0);
Add -s option to detach all clients attached to a session, from Zac Sprackett.
2011-04-11 06:44:56 +00:00
}
Add -c option to specify client, and move detach/refresh to client rather than session.
2007-11-16 21:12:31 +00:00
Add a command queue to standardize and simplify commands that call other commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
2013-02-23 22:25:58 +00:00
return (CMD_RETURN_STOP);
Add -c option to specify client, and move detach/refresh to client rather than session.
2007-11-16 21:12:31 +00:00
}
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