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tmux/cmd-respawn-pane.c

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$Id$ -> $OpenBSD$.
2012-03-17 22:34:12 +00:00
/* $OpenBSD$ */
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
* Copyright (c) 2011 Marcel P. Partap <mpartap@gmx.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>
xfree is not particularly helpful, remove it. From Thomas Adam.
2012-07-10 11:53:01 +00:00
#include <stdlib.h>
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
#include <unistd.h>
#include "tmux.h"
/*
* Respawn a pane (restart the command). Kill existing if -k given.
*/
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.
2013-03-24 09:54:10 +00:00
enum cmd_retval cmd_respawn_pane_exec(struct cmd *, struct cmd_q *);
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
const struct cmd_entry cmd_respawn_pane_entry = {
"respawn-pane", "respawnp",
If multiple arguments are given to new-session, new-window, split-window, respawn-window or respawn-pane, pass them directly to execvp() to help avoid quoting problems. One argument still goes to "sh -c" like before. Requested by many over the years. Patch from J Raynor.
2014-05-13 08:08:32 +00:00
"kt:", 0, -1,
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
"[-k] " CMD_TARGET_PANE_USAGE " [command]",
0,
cmd_respawn_pane_exec
};
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 07:10:15 +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.
2013-03-24 09:54:10 +00:00
cmd_respawn_pane_exec(struct cmd *self, struct cmd_q *cmdq)
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
{
struct args *args = self->args;
struct winlink *wl;
struct window *w;
struct window_pane *wp;
struct session *s;
Like options, move the environ struct into environ.c.
2015-10-28 09:51:55 +00:00
struct environ *env;
If multiple arguments are given to new-session, new-window, split-window, respawn-window or respawn-pane, pass them directly to execvp() to help avoid quoting problems. One argument still goes to "sh -c" like before. Requested by many over the years. Patch from J Raynor.
2014-05-13 08:08:32 +00:00
const char *path;
Make window_pane_index work the same as window_index, from Ben Boeckel.
2011-11-15 23:19:51 +00:00
char *cause;
u_int idx;
Set PATH explicitly, either from client or session environment. Previously it came from the session environment. From J Raynor.
2014-04-17 13:02:59 +00:00
struct environ_entry *envent;
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +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.
2013-03-24 09:54:10 +00:00
if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
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 07:10:15 +00:00
return (CMD_RETURN_ERROR);
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
w = wl->window;
if (!args_has(self->args, 'k') && wp->fd != -1) {
Make window_pane_index work the same as window_index, from Ben Boeckel.
2011-11-15 23:19:51 +00:00
if (window_pane_index(wp, &idx) != 0)
fatalx("index not found");
Fix some format specifier nits, from Ben Boeckel.
2015-03-31 17:45:10 +00:00
cmdq_error(cmdq, "pane still active: %s:%d.%u",
Make window_pane_index work the same as window_index, from Ben Boeckel.
2011-11-15 23:19:51 +00:00
s->name, wl->idx, idx);
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 07:10:15 +00:00
return (CMD_RETURN_ERROR);
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
}
Like options, move the environ struct into environ.c.
2015-10-28 09:51:55 +00:00
env = environ_create();
environ_copy(global_environ, env);
environ_copy(s->environ, env);
server_fill_environ(s, env);
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
window_pane_reset_mode(wp);
Use screen_reinit for respawn-pane to keep history and call input_init for respawn-window to break out of waiting for DCS/OSC to finish.
2011-07-04 13:35:37 +00:00
screen_reinit(&wp->base);
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
input_init(wp);
Set PATH explicitly, either from client or session environment. Previously it came from the session environment. From J Raynor.
2014-04-17 13:02:59 +00:00
path = NULL;
if (cmdq->client != NULL && cmdq->client->session == NULL)
Like options, move the environ struct into environ.c.
2015-10-28 09:51:55 +00:00
envent = environ_find(cmdq->client->environ, "PATH");
Set PATH explicitly, either from client or session environment. Previously it came from the session environment. From J Raynor.
2014-04-17 13:02:59 +00:00
else
Like options, move the environ struct into environ.c.
2015-10-28 09:51:55 +00:00
envent = environ_find(s->environ, "PATH");
Set PATH explicitly, either from client or session environment. Previously it came from the session environment. From J Raynor.
2014-04-17 13:02:59 +00:00
if (envent != NULL)
path = envent->value;
Because pledge(2) does not allow us to pass directory file descriptors around, we can't use file descriptors for the working directory because we will be unable to pass it to a privileged process to tell it where to read or write files or spawn children. So move tmux back to using strings for the current working directory. We try to check it exists with access() when it is set but ultimately fall back to ~ if it fails at time of use (or / if that fails too).
2015-10-31 08:13:58 +00:00
if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, NULL, env,
If multiple arguments are given to new-session, new-window, split-window, respawn-window or respawn-pane, pass them directly to execvp() to help avoid quoting problems. One argument still goes to "sh -c" like before. Requested by many over the years. Patch from J Raynor.
2014-05-13 08:08:32 +00:00
s->tio, &cause) != 0) {
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.
2013-03-24 09:54:10 +00:00
cmdq_error(cmdq, "respawn pane failed: %s", cause);
xfree is not particularly helpful, remove it. From Thomas Adam.
2012-07-10 11:53:01 +00:00
free(cause);
Like options, move the environ struct into environ.c.
2015-10-28 09:51:55 +00:00
environ_free(env);
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 07:10:15 +00:00
return (CMD_RETURN_ERROR);
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
}
wp->flags |= PANE_REDRAW;
server_status_window(w);
Like options, move the environ struct into environ.c.
2015-10-28 09:51:55 +00:00
environ_free(env);
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 07:10:15 +00:00
return (CMD_RETURN_NORMAL);
Add a respawn-pane command, from Marcel Partap.
2011-06-05 11:19:03 +00:00
}
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