X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=inotify.lisp;h=4340719527609b5444b308a2ade8983e69a2582f;hb=f11c5cad2d9ffd566b6e1f3d1ffb6d7cf7c7e855;hp=efcc860e226df4a6dea055f435bacfc2ea398856;hpb=1e6ee3f5671c8c376e4a721450791719d5ceb3fa;p=cl-inotify.git diff --git a/inotify.lisp b/inotify.lisp index efcc860..4340719 100644 --- a/inotify.lisp +++ b/inotify.lisp @@ -1,4 +1,4 @@ -;;; -*- mode: lisp; syntax: common-lisp; coding: utf-8; package: cl-inotify; -*- +;;; -*- mode: lisp; syntax: common-lisp; coding: utf-8-unix; package: cl-inotify; -*- ;; Copyright (c) 2011-12, Olof-Joachim Frahm ;; All rights reserved. @@ -404,6 +404,7 @@ instead. Useful if you need to monitor just a fixed set of paths." ,.(mapcar (lambda (specifier) `(watch-raw ,inotify ,@specifier)) rest) + (values) ,@body) (close-inotify ,inotify)))) @@ -422,96 +423,6 @@ UNWATCH calls on all WATCHed paths." ,.(mapcar (lambda (specifier) `(watch ,inotify ,@specifier)) rest) + (values) ,@body) (close-inotify ,inotify)))) - -;; TODO: what about other implementations? -#+sbcl -(defmacro with-inotify-event-handler ((inotify - &optional (nonblocking T) (registered T) - &rest rest) - event-handler - &body body) - "Registers an INOTIFY queue and runs EVENT-HANDLER with it as only -parameter whenever input happens while the BODY is executed. - -Other parameters are passed to WITH-(UNREGISTERED)-INOTIFY depending on the -value of REGISTERED (default T)." - (let ((handle (gensym "HANDLE"))) - `(,(if registered 'with-inotify 'with-unregistered-inotify) - (,inotify ,nonblocking ,@rest) - (sb-sys:with-fd-handler - ((inotify-fd ,inotify) - :input - (lambda (,handle) - (declare (ignore ,handle)) - (funcall ,event-handler ,inotify))) - ,@body)))) - -#+sbcl -(defun run-inotify-program (program args rest directories flags - &key function (wait T) event-handler (registered T)) - "Runs a program and records all matched events in all DIRECTORIES using -FLAGS. If EVENT-HANDLER is set, it is instead called with every available -event. - -PROGRAM, ARGS and REST are the arguments to SB-EXT:RUN-PROGRAM. REST is -passed on verbatim except for the WAIT parameter, which is set to false. - -PROGRAM may also be a FUNCTION, in which case it is called with -\(ARGS . REST) as arguments and has to return a process object like from -SB-EXT:RUN-PROGRAM. The process also shouldn't be spawned with WAIT set. - -DIRECTORIES is a list of directory arguments for WATCH/-RAW. - -WAIT is only valid if FUNCTION is set. If it is true, after FUNCTION has -returned, we wait until the process has quit. - -On supported implementations (SBCL) the FUNCTION parameter may be used to -do some work while the program is running and watched by the inotify queue. -It is called with the process object and the inotify queue as arguments." - (let (events) - (labels ((run () - (typecase program - (function (apply program args rest)) - (T - (apply #'sb-ext:run-program program args :wait NIL rest)))) - (events (inotify) - (do-events (event inotify) - (if event-handler - (funcall event-handler event) - (push event events)))) - (body (inotify) - (unwind-protect - (progn - (let ((register (if registered #'watch #'watch-raw))) - (mapcar (lambda (directory) - (funcall register inotify directory flags)) - directories)) - (let ((process (run))) - (if function - (unwind-protect - (funcall function process inotify) - ;; wait in any case so catching the files will work - (when wait - (sb-ext:process-wait process))) - (loop - while (sb-ext:process-alive-p process) - do (events inotify) - finally (return (if event-handler - process - (values (nreverse events) process))))))) - (close-inotify inotify)))) - (let ((inotify (if registered (make-inotify) (make-unregistered-inotify)))) - (if function - #-sbcl - (error "the FUNCTION parameter is only supported on SBCL for now") - #+sbcl - (sb-sys:with-fd-handler - ((inotify-fd inotify) - :input - (lambda (handle) - (declare (ignore handle)) - (events inotify))) - (body inotify)) - (body inotify))))))