tmux/cmd-attach-session.c

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/* $Id: cmd-attach-session.c,v 1.23 2009-01-19 18:23:40 nicm Exp $ */
/*
* 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"
/*
* Attach existing session to the current terminal.
*/
int cmd_attach_session_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_attach_session_entry = {
"attach-session", "attach",
"[-d] " CMD_TARGET_SESSION_USAGE,
CMD_DFLAG|CMD_CANTNEST|CMD_STARTSERVER,
cmd_target_init,
cmd_target_parse,
cmd_attach_session_exec,
cmd_target_send,
cmd_target_recv,
cmd_target_free,
cmd_target_print
};
int
cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct session *s;
char *cause;
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if (ctx->curclient != NULL)
return (0);
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if (ARRAY_LENGTH(&sessions) == 0) {
ctx->error(ctx, "no sessions");
return (-1);
}
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
ctx->error(ctx, "not a terminal");
return (-1);
}
if (tty_open(&ctx->cmdclient->tty, &cause) != 0) {
ctx->error(ctx, "%s", cause);
xfree(cause);
return (-1);
}
if (data->flags & CMD_DFLAG)
server_write_session(s, MSG_DETACH, NULL, 0);
ctx->cmdclient->session = s;
server_write_client(ctx->cmdclient, MSG_READY, NULL, 0);
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recalculate_sizes();
server_redraw_client(ctx->cmdclient);
return (1);
}