diff options
Diffstat (limited to 'lisp/server.el')
| -rw-r--r-- | lisp/server.el | 149 |
1 files changed, 87 insertions, 62 deletions
diff --git a/lisp/server.el b/lisp/server.el index ac0d7018513..a892203c24a 100644 --- a/lisp/server.el +++ b/lisp/server.el @@ -251,8 +251,16 @@ This means that the server should not kill the buffer when you say you are done with it in the server.") (make-variable-buffer-local 'server-existing-buffer) -;;;###autoload -(defcustom server-name "server" +(defvar server--external-socket-initialized nil + "When an external socket is passed into Emacs, we need to call +`server-start' in order to initialize the connection. This flag +prevents multiple initializations when an external socket has +been consumed.") + +(defcustom server-name + (if internal--daemon-sockname + (file-name-nondirectory internal--daemon-sockname) + "server") "The name of the Emacs server, if this Emacs process creates one. The command `server-start' makes use of this. It should not be changed while a server is running." @@ -263,8 +271,10 @@ changed while a server is running." ;; We do not use `temporary-file-directory' here, because emacsclient ;; does not read the init file. (defvar server-socket-dir - (and (featurep 'make-network-process '(:family local)) - (format "%s/emacs%d" (or (getenv "TMPDIR") "/tmp") (user-uid))) + (if internal--daemon-sockname + (file-name-directory internal--daemon-sockname) + (and (featurep 'make-network-process '(:family local)) + (format "%s/emacs%d" (or (getenv "TMPDIR") "/tmp") (user-uid)))) "The directory in which to place the server socket. If local sockets are not supported, this is nil.") @@ -618,23 +628,29 @@ To force-start a server, do \\[server-force-delete] and then (when server-process ;; kill it dead! (ignore-errors (delete-process server-process))) - ;; Delete the socket files made by previous server invocations. - (if (not (eq t (server-running-p server-name))) - ;; Remove any leftover socket or authentication file - (ignore-errors - (let (delete-by-moving-to-trash) - (delete-file server-file))) - (setq server-mode nil) ;; already set by the minor mode code - (display-warning - 'server - (concat "Unable to start the Emacs server.\n" - (format "There is an existing Emacs server, named %S.\n" - server-name) - (substitute-command-keys - "To start the server in this Emacs process, stop the existing + ;; Check to see if an uninitialized external socket has been + ;; passed in, if that is the case, skip checking + ;; `server-running-p' as this will return the wrong result. + (if (and internal--daemon-sockname + (not server--external-socket-initialized)) + (setq server--external-socket-initialized t) + ;; Delete the socket files made by previous server invocations. + (if (not (eq t (server-running-p server-name))) + ;; Remove any leftover socket or authentication file. + (ignore-errors + (let (delete-by-moving-to-trash) + (delete-file server-file))) + (setq server-mode nil) ;; already set by the minor mode code + (display-warning + 'server + (concat "Unable to start the Emacs server.\n" + (format "There is an existing Emacs server, named %S.\n" + server-name) + (substitute-command-keys + "To start the server in this Emacs process, stop the existing server or call `\\[server-force-delete]' to forcibly disconnect it.")) - :warning) - (setq leave-dead t)) + :warning) + (setq leave-dead t))) ;; If this Emacs already had a server, clear out associated status. (while server-clients (server-delete-client (car server-clients))) @@ -1061,9 +1077,8 @@ The following commands are accepted by the client: ;; supported any more. (cl-assert (eq (match-end 0) (length string))) (let ((request (substring string 0 (match-beginning 0))) - (coding-system (and (default-value 'enable-multibyte-characters) - (or file-name-coding-system - default-file-name-coding-system))) + (coding-system (or file-name-coding-system + default-file-name-coding-system)) nowait ; t if emacsclient does not want to wait for us. frame ; Frame opened for the client (if any). display ; Open frame on this display. @@ -1077,7 +1092,8 @@ The following commands are accepted by the client: tty-type ; string. files filepos - args-left) + args-left + create-frame-func) ;; Remove this line from STRING. (setq string (substring string (match-end 0))) (setq args-left @@ -1229,28 +1245,29 @@ The following commands are accepted by the client: (or files commands) (setq use-current-frame t)) - (setq frame - (cond - ((and use-current-frame - (or (eq use-current-frame 'always) - ;; We can't use the Emacs daemon's - ;; terminal frame. - (not (and (daemonp) - (null (cdr (frame-list))) - (eq (selected-frame) - terminal-frame))))) - (setq tty-name nil tty-type nil) - (if display (server-select-display display))) - ((or (and (eq system-type 'windows-nt) - (daemonp) - (setq display "w32")) - (eq tty-name 'window-system)) - (server-create-window-system-frame display nowait proc - parent-id - frame-parameters)) - ;; When resuming on a tty, tty-name is nil. - (tty-name - (server-create-tty-frame tty-name tty-type proc)))) + (setq create-frame-func + (lambda () + (cond + ((and use-current-frame + (or (eq use-current-frame 'always) + ;; We can't use the Emacs daemon's + ;; terminal frame. + (not (and (daemonp) + (null (cdr (frame-list))) + (eq (selected-frame) + terminal-frame))))) + (setq tty-name nil tty-type nil) + (if display (server-select-display display))) + ((or (and (eq system-type 'windows-nt) + (daemonp) + (setq display "w32")) + (eq tty-name 'window-system)) + (server-create-window-system-frame display nowait proc + parent-id + frame-parameters)) + ;; When resuming on a tty, tty-name is nil. + (tty-name + (server-create-tty-frame tty-name tty-type proc))))) (process-put proc 'continuation @@ -1262,7 +1279,7 @@ The following commands are accepted by the client: (if (and dir (file-directory-p dir)) dir default-directory))) (server-execute proc files nowait commands - dontkill frame tty-name))))) + dontkill create-frame-func tty-name))))) (when (or frame files) (server-goto-toplevel proc)) @@ -1271,7 +1288,7 @@ The following commands are accepted by the client: ;; condition-case (error (server-return-error proc err)))) -(defun server-execute (proc files nowait commands dontkill frame tty-name) +(defun server-execute (proc files nowait commands dontkill create-frame-func tty-name) ;; This is run from timers and process-filters, i.e. "asynchronously". ;; But w.r.t the user, this is not really asynchronous since the timer ;; is run after 0s and the process-filter is run in response to the @@ -1281,21 +1298,29 @@ The following commands are accepted by the client: ;; including code that needs to wait. (with-local-quit (condition-case err - (let ((buffers (server-visit-files files proc nowait))) - (mapc 'funcall (nreverse commands)) + (let* ((buffers (server-visit-files files proc nowait)) + ;; If we were told only to open a new client, obey + ;; `initial-buffer-choice' if it specifies a file + ;; or a function. + (initial-buffer (unless (or files commands) + (let ((buf + (cond ((stringp initial-buffer-choice) + (find-file-noselect initial-buffer-choice)) + ((functionp initial-buffer-choice) + (funcall initial-buffer-choice))))) + (if (buffer-live-p buf) buf (get-buffer-create "*scratch*"))))) + ;; Set current buffer so that newly created tty frames + ;; show the correct buffer initially. + (frame (with-current-buffer (or (car buffers) + initial-buffer + (current-buffer)) + (prog1 + (funcall create-frame-func) + ;; Switch to initial buffer in case the frame was reused. + (when initial-buffer + (switch-to-buffer initial-buffer 'norecord)))))) - ;; If we were told only to open a new client, obey - ;; `initial-buffer-choice' if it specifies a file - ;; or a function. - (unless (or files commands) - (let ((buf - (cond ((stringp initial-buffer-choice) - (find-file-noselect initial-buffer-choice)) - ((functionp initial-buffer-choice) - (funcall initial-buffer-choice))))) - (switch-to-buffer - (if (buffer-live-p buf) buf (get-buffer-create "*scratch*")) - 'norecord))) + (mapc 'funcall (nreverse commands)) ;; Delete the client if necessary. (cond |