1 files changed, 80 insertions, 0 deletions
diff --git a/usr.bin/tmux/cmd-attach-session.c b/usr.bin/tmux/cmd-attach-session.c
new file mode 100644
index 00000000000..4fdaae04cfb
--- /dev/null
+++ b/usr.bin/tmux/cmd-attach-session.c
@@ -0,0 +1,80 @@
+/* $OpenBSD: cmd-attach-session.c,v 1.1 2009/06/01 22:58:49 nicm 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"
+
+/*
+ * Attach existing session to the current terminal.
+ */
+
+int	cmd_attach_session_exec(struct cmd *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_attach_session_entry = {
+	"attach-session", "attach",
+	"[-d] " CMD_TARGET_SESSION_USAGE,
+       	CMD_DFLAG|CMD_CANTNEST|CMD_STARTSERVER,
+	cmd_target_init,
+	cmd_target_parse,
+	cmd_attach_session_exec,
+	cmd_target_send,
+	cmd_target_recv,
+	cmd_target_free,
+	cmd_target_print
+};
+
+int
+cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+	struct cmd_target_data	*data = self->data;
+	struct session		*s;
+	char			*cause;
+
+	if (ctx->curclient != NULL)
+		return (0);
+
+	if (ARRAY_LENGTH(&sessions) == 0) {
+		ctx->error(ctx, "no sessions");
+		return (-1);
+	}
+	if ((s = cmd_find_session(ctx, data->target)) == NULL)
+		return (-1);
+
+	if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
+		ctx->error(ctx, "not a terminal");
+		return (-1);
+	}
+
+	if (tty_open(&ctx->cmdclient->tty, &cause) != 0) {
+		ctx->error(ctx, "terminal open failed: %s", cause);
+		xfree(cause);
+		return (-1);
+	}
+
+	if (data->flags & CMD_DFLAG)
+		server_write_session(s, MSG_DETACH, NULL, 0);
+	ctx->cmdclient->session = s;
+
+	server_write_client(ctx->cmdclient, MSG_READY, NULL, 0);
+	recalculate_sizes();
+	server_redraw_client(ctx->cmdclient);
+
+	return (1);
+}
+