Import tmux

We have to use SOCK_SEQPACKET instead of SOCK_STREAM for client/server
communication, because UDS does things with control messages that tmux
does not expect.

Change-Id: I3edb1875d61fb976cf6485c650f4fd4b82fa354c

external/bsd/tmux/dist/cmd-kill-window.c

@@ -0,0 +1,52 @@
+/* $Id: cmd-kill-window.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv 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"
+
+/*
+ * Destroy window.
+ */
+
+int	cmd_kill_window_exec(struct cmd *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_kill_window_entry = {
+	"kill-window", "killw",
+	"t:", 0, 0,
+	CMD_TARGET_WINDOW_USAGE,
+	0,
+	NULL,
+	NULL,
+	cmd_kill_window_exec
+};
+
+int
+cmd_kill_window_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+	struct args	*args = self->args;
+	struct winlink	*wl;
+
+	if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
+		return (-1);
+
+	server_kill_window(wl->window);
+	recalculate_sizes();
+
+	return (0);
+}