Annotation of embedaddon/tmux/cmd-respawn-pane.c, revision 1.1
1.1 ! misho 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
! 5: * Copyright (c) 2011 Marcel P. Partap <mpartap@gmx.net>
! 6: *
! 7: * Permission to use, copy, modify, and distribute this software for any
! 8: * purpose with or without fee is hereby granted, provided that the above
! 9: * copyright notice and this permission notice appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 15: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 16: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 17: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 18: */
! 19:
! 20: #include <sys/types.h>
! 21:
! 22: #include <stdlib.h>
! 23: #include <unistd.h>
! 24:
! 25: #include "tmux.h"
! 26:
! 27: /*
! 28: * Respawn a pane (restart the command). Kill existing if -k given.
! 29: */
! 30:
! 31: static enum cmd_retval cmd_respawn_pane_exec(struct cmd *, struct cmdq_item *);
! 32:
! 33: const struct cmd_entry cmd_respawn_pane_entry = {
! 34: .name = "respawn-pane",
! 35: .alias = "respawnp",
! 36:
! 37: .args = { "kt:", 0, -1 },
! 38: .usage = "[-k] " CMD_TARGET_PANE_USAGE " [command]",
! 39:
! 40: .tflag = CMD_PANE,
! 41:
! 42: .flags = 0,
! 43: .exec = cmd_respawn_pane_exec
! 44: };
! 45:
! 46: static enum cmd_retval
! 47: cmd_respawn_pane_exec(struct cmd *self, struct cmdq_item *item)
! 48: {
! 49: struct args *args = self->args;
! 50: struct winlink *wl = item->state.tflag.wl;
! 51: struct window *w = wl->window;
! 52: struct window_pane *wp = item->state.tflag.wp;
! 53: struct session *s = item->state.tflag.s;
! 54: struct environ *env;
! 55: const char *path;
! 56: char *cause;
! 57: u_int idx;
! 58: struct environ_entry *envent;
! 59:
! 60: if (!args_has(self->args, 'k') && wp->fd != -1) {
! 61: if (window_pane_index(wp, &idx) != 0)
! 62: fatalx("index not found");
! 63: cmdq_error(item, "pane still active: %s:%d.%u",
! 64: s->name, wl->idx, idx);
! 65: return (CMD_RETURN_ERROR);
! 66: }
! 67:
! 68: window_pane_reset_mode(wp);
! 69: screen_reinit(&wp->base);
! 70: input_init(wp);
! 71:
! 72: path = NULL;
! 73: if (item->client != NULL && item->client->session == NULL)
! 74: envent = environ_find(item->client->environ, "PATH");
! 75: else
! 76: envent = environ_find(s->environ, "PATH");
! 77: if (envent != NULL)
! 78: path = envent->value;
! 79:
! 80: env = environ_for_session(s);
! 81: if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, NULL, env,
! 82: s->tio, &cause) != 0) {
! 83: cmdq_error(item, "respawn pane failed: %s", cause);
! 84: free(cause);
! 85: environ_free(env);
! 86: return (CMD_RETURN_ERROR);
! 87: }
! 88: environ_free(env);
! 89:
! 90: wp->flags |= PANE_REDRAW;
! 91: server_status_window(w);
! 92:
! 93: return (CMD_RETURN_NORMAL);
! 94: }
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