mirror of
https://github.com/tmux/tmux.git
synced 2024-11-16 01:18:52 +00:00
9dd72b9583
so on but where the linked windows are synchronized (ie creating, killing windows and so on are mirrored between the sessions). A grouped session may be created by passing -t to new-session. Had this around for a while, tested by a couple of people.
372 lines
8.0 KiB
C
372 lines
8.0 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "tmux.h"
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void
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server_fill_environ(struct session *s, struct environ *env)
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{
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char tmuxvar[MAXPATHLEN], *term;
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u_int idx;
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if (session_index(s, &idx) != 0)
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fatalx("session not found");
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xsnprintf(tmuxvar, sizeof tmuxvar,
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"%s,%ld,%u", socket_path, (long) getpid(), idx);
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environ_set(env, "TMUX", tmuxvar);
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term = options_get_string(&s->options, "default-terminal");
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environ_set(env, "TERM", term);
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}
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void
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server_write_error(struct client *c, const char *msg)
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{
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struct msg_print_data printdata;
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strlcpy(printdata.msg, msg, sizeof printdata.msg);
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server_write_client(c, MSG_ERROR, &printdata, sizeof printdata);
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}
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void
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server_write_client(
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struct client *c, enum msgtype type, const void *buf, size_t len)
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{
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struct imsgbuf *ibuf = &c->ibuf;
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if (c->flags & CLIENT_BAD)
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return;
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log_debug("writing %d to client %d", type, c->ibuf.fd);
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imsg_compose(ibuf, type, PROTOCOL_VERSION, -1, -1, (void *) buf, len);
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}
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void
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server_write_session(
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struct session *s, enum msgtype type, const void *buf, size_t len)
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{
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struct client *c;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c == NULL || c->session == NULL)
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continue;
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if (c->session == s)
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server_write_client(c, type, buf, len);
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}
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}
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void
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server_redraw_client(struct client *c)
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{
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c->flags |= CLIENT_REDRAW;
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}
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void
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server_status_client(struct client *c)
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{
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c->flags |= CLIENT_STATUS;
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}
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void
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server_redraw_session(struct session *s)
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{
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struct client *c;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c == NULL || c->session == NULL)
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continue;
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if (c->session == s)
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server_redraw_client(c);
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}
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}
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void
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server_redraw_session_group(struct session *s)
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{
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struct session_group *sg;
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if ((sg = session_group_find(s)) == NULL)
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server_redraw_session(s);
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else {
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TAILQ_FOREACH(s, &sg->sessions, gentry)
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server_redraw_session(s);
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}
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}
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void
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server_status_session(struct session *s)
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{
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struct client *c;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c == NULL || c->session == NULL)
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continue;
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if (c->session == s)
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server_status_client(c);
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}
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}
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void
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server_status_session_group(struct session *s)
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{
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struct session_group *sg;
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if ((sg = session_group_find(s)) == NULL)
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server_status_session(s);
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else {
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TAILQ_FOREACH(s, &sg->sessions, gentry)
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server_status_session(s);
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}
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}
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void
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server_redraw_window(struct window *w)
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{
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struct client *c;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c == NULL || c->session == NULL)
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continue;
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if (c->session->curw->window == w)
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server_redraw_client(c);
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}
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w->flags |= WINDOW_REDRAW;
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}
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void
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server_status_window(struct window *w)
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{
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struct session *s;
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u_int i;
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/*
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* This is slightly different. We want to redraw the status line of any
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* clients containing this window rather than any where it is the
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* current window.
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*/
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s != NULL && session_has(s, w))
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server_status_session(s);
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}
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}
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void
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server_lock(void)
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{
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struct client *c;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c == NULL || c->session == NULL)
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continue;
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server_lock_client(c);
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}
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}
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void
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server_lock_session(struct session *s)
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{
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struct client *c;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c == NULL || c->session == NULL || c->session != s)
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continue;
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server_lock_client(c);
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}
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}
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void
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server_lock_client(struct client *c)
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{
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const char *cmd;
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size_t cmdlen;
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struct msg_lock_data lockdata;
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if (c->flags & CLIENT_SUSPENDED)
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return;
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cmd = options_get_string(&c->session->options, "lock-command");
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cmdlen = strlcpy(lockdata.cmd, cmd, sizeof lockdata.cmd);
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if (cmdlen >= sizeof lockdata.cmd)
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return;
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tty_stop_tty(&c->tty);
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tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_SMCUP));
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tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_CLEAR));
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c->flags |= CLIENT_SUSPENDED;
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server_write_client(c, MSG_LOCK, &lockdata, sizeof lockdata);
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}
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void
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server_kill_window(struct window *w)
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{
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struct session *s;
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struct winlink *wl;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s == NULL || !session_has(s, w))
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continue;
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if ((wl = winlink_find_by_window(&s->windows, w)) == NULL)
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continue;
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if (session_detach(s, wl))
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server_destroy_session_group(s);
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else {
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server_redraw_session(s);
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server_status_session_group(s);
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}
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}
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}
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int
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server_link_window(struct session *src, struct winlink *srcwl,
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struct session *dst, int dstidx, int killflag, int selectflag, char **cause)
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{
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struct winlink *dstwl;
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struct session_group *srcsg, *dstsg;
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srcsg = session_group_find(src);
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dstsg = session_group_find(dst);
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if (src != dst && srcsg != NULL && dstsg != NULL && srcsg == dstsg) {
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xasprintf(cause, "sessions are grouped");
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return (-1);
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}
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dstwl = NULL;
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if (dstidx != -1)
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dstwl = winlink_find_by_index(&dst->windows, dstidx);
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if (dstwl != NULL) {
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if (dstwl->window == srcwl->window)
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return (0);
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if (killflag) {
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/*
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* Can't use session_detach as it will destroy session
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* if this makes it empty.
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*/
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session_alert_cancel(dst, dstwl);
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winlink_stack_remove(&dst->lastw, dstwl);
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winlink_remove(&dst->windows, dstwl);
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/* Force select/redraw if current. */
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if (dstwl == dst->curw)
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selectflag = 1;
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}
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}
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if (dstidx == -1)
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dstidx = -1 - options_get_number(&dst->options, "base-index");
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dstwl = session_attach(dst, srcwl->window, dstidx, cause);
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if (dstwl == NULL)
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return (-1);
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if (selectflag)
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session_select(dst, dstwl->idx);
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server_redraw_session_group(dst);
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return (0);
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}
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void
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server_unlink_window(struct session *s, struct winlink *wl)
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{
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if (session_detach(s, wl))
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server_destroy_session_group(s);
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else
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server_redraw_session_group(s);
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}
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void
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server_destroy_session_group(struct session *s)
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{
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struct session_group *sg;
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if ((sg = session_group_find(s)) == NULL)
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server_destroy_session(s);
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else {
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TAILQ_FOREACH(s, &sg->sessions, gentry)
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server_destroy_session(s);
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TAILQ_REMOVE(&session_groups, sg, entry);
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xfree(sg);
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}
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}
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void
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server_destroy_session(struct session *s)
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{
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struct client *c;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c == NULL || c->session != s)
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continue;
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c->session = NULL;
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server_write_client(c, MSG_EXIT, NULL, 0);
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}
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}
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void
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server_set_identify(struct client *c)
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{
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struct timeval tv;
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int delay;
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delay = options_get_number(&c->session->options, "display-panes-time");
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tv.tv_sec = delay / 1000;
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tv.tv_usec = (delay % 1000) * 1000L;
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if (gettimeofday(&c->identify_timer, NULL) != 0)
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fatal("gettimeofday failed");
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timeradd(&c->identify_timer, &tv, &c->identify_timer);
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c->flags |= CLIENT_IDENTIFY;
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c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
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server_redraw_client(c);
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}
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void
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server_clear_identify(struct client *c)
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{
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if (c->flags & CLIENT_IDENTIFY) {
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c->flags &= ~CLIENT_IDENTIFY;
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c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
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server_redraw_client(c);
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}
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}
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