Michael Albinus d35868bec9 Implement file locks for remote files (Bug#49261) ... * doc/lispref/files.texi (Magic File Names): Add file-locked-p, lock-file and unlock-file. * etc/NEWS: Tramp supports file locks now. * lisp/net/tramp-adb.el (tramp-adb-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-adb-handle-write-region): Handle LOCKNAME. * lisp/net/tramp-archive.el (tramp-archive-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. * lisp/net/tramp-crypt.el (tramp-crypt-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-crypt-handle-file-locked-p, tramp-crypt-handle-lock-file) (tramp-crypt-handle-unlock-file): New defun. * lisp/net/tramp-fuse.el (tramp-fuse-mounted-p): Simplify. (tramp-fuse-unmount): New defun. * lisp/net/tramp-gvfs.el (tramp-gvfs-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-gvfs-maybe-open-connection): Set "lock-pid" connection property. * lisp/net/tramp-rclone.el (tramp-rclone-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-rclone-maybe-open-connection): Set "lock-pid" connection property. * lisp/net/tramp-sh.el (tramp-sh-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-sh-handle-write-region): Handle LOCKNAME. * lisp/net/tramp-smb.el (tramp-smb-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-smb-handle-copy-directory): Use `sleep-for'. (tramp-smb-handle-write-region): Handle LOCKNAME. * lisp/net/tramp-sshfs.el (tramp-sshfs-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-sshfs-handle-write-region): Handle LOCKNAME. (tramp-sshfs-maybe-open-connection): Set "lock-pid" connection property. * lisp/net/tramp-sudoedit.el (tramp-sudoedit-file-name-handler-alist): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-sudoedit-maybe-open-connection): Set "lock-pid" connection property. * lisp/net/tramp.el (tramp-file-name-for-operation): Add `file-locked-p', `lock-file' and `unlock-file'. (tramp-make-lock-name, tramp-get-lock-file, tramp-get-lock-pid) (tramp-handle-file-locked-p, tramp-handle-lock-file) (tramp-handle-unlock-file): New defuns. (tramp-lock-file-contents-regexp): New regexp. (tramp-handle-write-region): Handle LOCKNAME. * src/filelock.c (lock_file, unlock_file_body, Ffile_locked_p): Call handler if exists. (Flock_file, Funlock_file): New defuns. (Qlock_file, Qunlock_file, Qfile_locked_p): Declare symbols. (Slock_file, Sunlock_file): Declare subroutines. * test/lisp/net/tramp-archive-tests.el (tramp-archive-test40-make-nearby-temp-file) (tramp-archive-test43-file-system-info): Rename. * test/lisp/net/tramp-tests.el (top): Set `create-lockfiles' to nil. (tramp--test-fuse-p): New defun. (tramp-test14-delete-directory): Use it. (tramp-test39-lock-file): New test. (tramp-test40-make-nearby-temp-file) (tramp-test41-special-characters) (tramp-test41-special-characters-with-stat) (tramp-test41-special-characters-with-perl) (tramp-test41-special-characters-with-ls, tramp-test42-utf8) (tramp-test42-utf8-with-stat, tramp-test42-utf8-with-perl) (tramp-test42-utf8-with-ls, tramp-test43-file-system-info) (tramp-test44-asynchronous-requests, tramp-test45-auto-load) (tramp-test45-delay-load, tramp-test45-recursive-load) (tramp-test45-remote-load-path, tramp-test46-unload): Rename. (tramp--test-special-characters, tramp--test-utf8) (tramp--test-asynchronous-requests-timeout): Modify docstring.		2021-07-07 18:36:53 +02:00
..
emacs	Merge from origin/emacs-27	2021-07-07 08:04:03 -07:00
lispintro	Remove references to very old versions of Emacs from eintr	2021-04-03 00:53:43 +02:00
lispref	Implement file locks for remote files (Bug#49261)	2021-07-07 18:36:53 +02:00
man	* doc/man/emacs.1.in: Minor fixes.	2021-06-08 02:00:29 +02:00
misc	Avoid deprecation warnings with Texinfo 6.8	2021-07-04 14:55:42 +03:00