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Annotation of src/usr.bin/tmux/cmd-detach-client.c, Revision 1.37

1.37    ! nicm        1: /* $OpenBSD: cmd-detach-client.c,v 1.36 2021/08/21 10:22:38 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.27      nicm        4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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:
1.15      nicm       21: #include <string.h>
                     22:
1.1       nicm       23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Detach a client.
                     27:  */
                     28:
1.29      nicm       29: static enum cmd_retval cmd_detach_client_exec(struct cmd *,
                     30:                            struct cmdq_item *);
1.1       nicm       31:
                     32: const struct cmd_entry cmd_detach_client_entry = {
1.25      nicm       33:        .name = "detach-client",
                     34:        .alias = "detach",
                     35:
1.36      nicm       36:        .args = { "aE:s:t:P", 0, 0, NULL },
1.30      nicm       37:        .usage = "[-aP] [-E shell-command] "
                     38:                 "[-s target-session] " CMD_TARGET_CLIENT_USAGE,
1.25      nicm       39:
1.32      nicm       40:        .source = { 's', CMD_FIND_SESSION, CMD_FIND_CANFAIL },
1.26      nicm       41:
1.35      nicm       42:        .flags = CMD_READONLY|CMD_CLIENT_TFLAG,
1.25      nicm       43:        .exec = cmd_detach_client_exec
1.1       nicm       44: };
                     45:
1.18      nicm       46: const struct cmd_entry cmd_suspend_client_entry = {
1.25      nicm       47:        .name = "suspend-client",
                     48:        .alias = "suspendc",
                     49:
1.36      nicm       50:        .args = { "t:", 0, 0, NULL },
1.25      nicm       51:        .usage = CMD_TARGET_CLIENT_USAGE,
                     52:
1.35      nicm       53:        .flags = CMD_CLIENT_TFLAG,
1.25      nicm       54:        .exec = cmd_detach_client_exec
1.18      nicm       55: };
                     56:
1.28      nicm       57: static enum cmd_retval
1.29      nicm       58: cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       59: {
1.34      nicm       60:        struct args             *args = cmd_get_args(self);
                     61:        struct cmd_find_state   *source = cmdq_get_source(item);
1.37    ! nicm       62:        struct client           *c = cmdq_get_client(item);
1.35      nicm       63:        struct client           *tc = cmdq_get_target_client(item), *loop;
1.34      nicm       64:        struct session          *s;
                     65:        enum msgtype             msgtype;
                     66:        const char              *cmd = args_get(args, 'E');
1.18      nicm       67:
1.33      nicm       68:        if (cmd_get_entry(self) == &cmd_suspend_client_entry) {
1.35      nicm       69:                server_client_suspend(tc);
1.18      nicm       70:                return (CMD_RETURN_NORMAL);
                     71:        }
1.1       nicm       72:
1.7       nicm       73:        if (args_has(args, 'P'))
1.8       nicm       74:                msgtype = MSG_DETACHKILL;
1.7       nicm       75:        else
1.8       nicm       76:                msgtype = MSG_DETACH;
                     77:
                     78:        if (args_has(args, 's')) {
1.34      nicm       79:                s = source->s;
1.32      nicm       80:                if (s == NULL)
                     81:                        return (CMD_RETURN_NORMAL);
1.35      nicm       82:                TAILQ_FOREACH(loop, &clients, entry) {
                     83:                        if (loop->session == s) {
1.30      nicm       84:                                if (cmd != NULL)
1.35      nicm       85:                                        server_client_exec(loop, cmd);
1.30      nicm       86:                                else
1.35      nicm       87:                                        server_client_detach(loop, msgtype);
1.30      nicm       88:                        }
1.8       nicm       89:                }
1.19      nicm       90:                return (CMD_RETURN_STOP);
                     91:        }
1.8       nicm       92:
1.19      nicm       93:        if (args_has(args, 'a')) {
1.35      nicm       94:                TAILQ_FOREACH(loop, &clients, entry) {
                     95:                        if (loop->session != NULL && loop != tc) {
1.30      nicm       96:                                if (cmd != NULL)
1.35      nicm       97:                                        server_client_exec(loop, cmd);
1.30      nicm       98:                                else
1.35      nicm       99:                                        server_client_detach(loop, msgtype);
1.30      nicm      100:                        }
1.15      nicm      101:                }
1.19      nicm      102:                return (CMD_RETURN_NORMAL);
1.8       nicm      103:        }
1.1       nicm      104:
1.37    ! nicm      105:        if (cmd != NULL) {
        !           106:                if (c == NULL || c->session == NULL) {
        !           107:                        cmdq_error(item, "must be attached for -E");
        !           108:                        return (CMD_RETURN_ERROR);
        !           109:                }
1.35      nicm      110:                server_client_exec(tc, cmd);
1.37    ! nicm      111:        } else
1.35      nicm      112:                server_client_detach(tc, msgtype);
1.13      nicm      113:        return (CMD_RETURN_STOP);
1.1       nicm      114: }