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Annotation of embedaddon/tmux/cmd-detach-client.c, revision 1.1.1.1

1.1       misho       1: /* $OpenBSD$ */
                      2: 
                      3: /*
                      4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18: 
                     19: #include <sys/types.h>
                     20: 
                     21: #include <string.h>
                     22: 
                     23: #include "tmux.h"
                     24: 
                     25: /*
                     26:  * Detach a client.
                     27:  */
                     28: 
                     29: static enum cmd_retval cmd_detach_client_exec(struct cmd *,
                     30:                            struct cmdq_item *);
                     31: 
                     32: const struct cmd_entry cmd_detach_client_entry = {
                     33:        .name = "detach-client",
                     34:        .alias = "detach",
                     35: 
                     36:        .args = { "aE:s:t:P", 0, 0 },
                     37:        .usage = "[-aP] [-E shell-command] "
                     38:                 "[-s target-session] " CMD_TARGET_CLIENT_USAGE,
                     39: 
                     40:        .sflag = CMD_SESSION,
                     41:        .tflag = CMD_CLIENT,
                     42: 
                     43:        .flags = CMD_READONLY,
                     44:        .exec = cmd_detach_client_exec
                     45: };
                     46: 
                     47: const struct cmd_entry cmd_suspend_client_entry = {
                     48:        .name = "suspend-client",
                     49:        .alias = "suspendc",
                     50: 
                     51:        .args = { "t:", 0, 0 },
                     52:        .usage = CMD_TARGET_CLIENT_USAGE,
                     53: 
                     54:        .tflag = CMD_CLIENT,
                     55: 
                     56:        .flags = 0,
                     57:        .exec = cmd_detach_client_exec
                     58: };
                     59: 
                     60: static enum cmd_retval
                     61: cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
                     62: {
                     63:        struct args     *args = self->args;
                     64:        struct client   *c = item->state.c, *cloop;
                     65:        struct session  *s;
                     66:        enum msgtype     msgtype;
                     67:        const char      *cmd = args_get(args, 'E');
                     68: 
                     69:        if (self->entry == &cmd_suspend_client_entry) {
                     70:                tty_stop_tty(&c->tty);
                     71:                c->flags |= CLIENT_SUSPENDED;
                     72:                proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
                     73:                return (CMD_RETURN_NORMAL);
                     74:        }
                     75: 
                     76:        if (args_has(args, 'P'))
                     77:                msgtype = MSG_DETACHKILL;
                     78:        else
                     79:                msgtype = MSG_DETACH;
                     80: 
                     81:        if (args_has(args, 's')) {
                     82:                s = item->state.sflag.s;
                     83:                TAILQ_FOREACH(cloop, &clients, entry) {
                     84:                        if (cloop->session == s) {
                     85:                                if (cmd != NULL)
                     86:                                        server_client_exec(cloop, cmd);
                     87:                                else
                     88:                                        server_client_detach(cloop, msgtype);
                     89:                        }
                     90:                }
                     91:                return (CMD_RETURN_STOP);
                     92:        }
                     93: 
                     94:        if (args_has(args, 'a')) {
                     95:                TAILQ_FOREACH(cloop, &clients, entry) {
                     96:                        if (cloop->session != NULL && cloop != c) {
                     97:                                if (cmd != NULL)
                     98:                                        server_client_exec(cloop, cmd);
                     99:                                else
                    100:                                        server_client_detach(cloop, msgtype);
                    101:                        }
                    102:                }
                    103:                return (CMD_RETURN_NORMAL);
                    104:        }
                    105: 
                    106:        if (cmd != NULL)
                    107:                server_client_exec(c, cmd);
                    108:        else
                    109:                server_client_detach(c, msgtype);
                    110:        return (CMD_RETURN_STOP);
                    111: }