tmux/cmd-respawn-window.c

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/* $Id: cmd-respawn-window.c,v 1.12 2009-01-19 18:23:40 nicm Exp $ */
/*
* Copyright (c) 2008 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>
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#include <unistd.h>
#include "tmux.h"
/*
* Respawn a window (restart the command). Kill existing if -k given.
*/
int cmd_respawn_window_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_respawn_window_entry = {
"respawn-window", "respawnw",
"[-k] " CMD_TARGET_WINDOW_USAGE " [command]",
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CMD_ARG01|CMD_KFLAG,
cmd_target_init,
cmd_target_parse,
cmd_respawn_window_exec,
cmd_target_send,
cmd_target_recv,
cmd_target_free,
cmd_target_print
};
int
cmd_respawn_window_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct winlink *wl;
struct window *w;
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struct window_pane *wp;
struct session *s;
const char *env[] = CHILD_ENVIRON;
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char buf[256];
u_int i;
if ((wl = cmd_find_window(ctx, data->target, &s)) == NULL)
return (-1);
w = wl->window;
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if (!(data->flags & CMD_KFLAG)) {
TAILQ_FOREACH(wp, &w->panes, entry) {
if (wp->fd == -1)
continue;
ctx->error(ctx,
"window still active: %s:%d", s->name, wl->idx);
return (-1);
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}
}
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if (session_index(s, &i) != 0)
fatalx("session not found");
xsnprintf(buf, sizeof buf, "TMUX=%ld,%u", (long) getpid(), i);
env[0] = buf;
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wp = TAILQ_FIRST(&w->panes);
TAILQ_REMOVE(&w->panes, wp, entry);
window_destroy_panes(w);
TAILQ_INSERT_HEAD(&w->panes, wp, entry);
window_pane_resize(wp, w->sx, w->sy);
if (window_pane_spawn(wp, data->arg, NULL, env) != 0) {
ctx->error(ctx, "respawn failed: %s:%d", s->name, wl->idx);
return (-1);
}
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screen_reinit(&wp->base);
recalculate_sizes();
server_redraw_window(w);
return (0);
}