tmate/cmd-suspend-client.c

/* $OpenBSD$ */

/*
 * Copyright (c) 2009 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 <stdlib.h>
#include <string.h>

#include "tmux.h"

/*
 * Suspend client with SIGTSTP.
 */

int	cmd_suspend_client_exec(struct cmd *, struct cmd_ctx *);

struct cmd_suspend_client_data {
	char	*name;
	char	*target;
};

const struct cmd_entry cmd_suspend_client_entry = {
	"suspend-client", "suspendc",
	"[-c target-client]",
	0, 0,
	cmd_target_init,
	cmd_target_parse,
	cmd_suspend_client_exec,
	cmd_target_send,
	cmd_target_recv,
	cmd_target_free,
	cmd_target_print
};

int
cmd_suspend_client_exec(struct cmd *self, struct cmd_ctx *ctx)
{
	struct cmd_target_data	*data = self->data;
	struct client		*c;

	if ((c = cmd_find_client(ctx, data->target)) == NULL)
		return (-1);

	tty_stop_tty(&c->tty);
	c->flags |= CLIENT_SUSPENDED;
	server_write_client(c, MSG_SUSPEND, NULL, 0);

	return (0);
}