Author: ctian Date: Thu Jul 15 23:05:27 2010 New Revision: 546
Log: SBCL: first working WAIT-FOR-INPUT implementation.
Modified: usocket/trunk/backend/sbcl.lisp
Modified: usocket/trunk/backend/sbcl.lisp ============================================================================== --- usocket/trunk/backend/sbcl.lisp (original) +++ usocket/trunk/backend/sbcl.lisp Thu Jul 15 23:05:27 2010 @@ -13,10 +13,6 @@ (eval-when (:compile-toplevel :load-toplevel :execute) (require :sockets))
-#+(and sbcl win32) ; for "WaitForSingleObject" -(eval-when (:compile-toplevel :load-toplevel :execute) - (sb-alien:load-shared-object "kernel32.dll")) - #+sbcl (progn #-win32 @@ -399,9 +395,9 @@
#+(and sbcl win32) (eval-when (:compile-toplevel) - (defconstant +wait-failed+ -1) ; #xffffffff - (defconstant +wait-object-0+ 0) - (defconstant +wait-timeout+ 258)) + (defconstant +wsa-wait-failed+ #xffffffff) + (defconstant +wsa-wait-event-0+ 0) + (defconstant +wsa-wait-timeout+ 258))
#+(and sbcl win32) (progn @@ -429,6 +425,8 @@ (defconstant fionread 1074030207)
(sb-alien:define-alien-type ws-socket sb-alien:unsigned-int) + (sb-alien:define-alien-type ws-dword sb-alien:unsigned-long) + (sb-alien:define-alien-type ws-event sb-alien::hinstance)
(sb-alien:define-alien-type nil (sb-alien:struct wsa-network-events @@ -436,28 +434,35 @@ (error-code (array sb-alien:int 10)))) ; 10 = fd-max-events
(sb-alien:define-alien-routine ("WSACreateEvent" wsa-event-create) - sb-alien::hinstance) ; return type only + ws-event) ; return type only + + (sb-alien:define-alien-routine ("WSAResetEvent" wsa-event-reset) + (boolean #.sb-vm::n-machine-word-bits) + (event-object ws-event))
(sb-alien:define-alien-routine ("WSACloseEvent" wsa-event-close) - (sb-alien:boolean #.sb-vm::n-machine-word-bits) - (event-object sb-alien::hinstance)) + (boolean #.sb-vm::n-machine-word-bits) + (event-object ws-event))
(sb-alien:define-alien-routine ("WSAEnumNetworkEvents" wsa-enum-network-events) sb-alien:int (socket ws-socket) - (event-object sb-alien::hinstance) + (event-object ws-event) (network-events (* (sb-alien:struct wsa-network-events))))
(sb-alien:define-alien-routine ("WSAEventSelect" wsa-event-select) sb-alien:int (socket ws-socket) - (event-object sb-alien::hinstance) + (event-object ws-event) (network-events sb-alien:long))
- (sb-alien:define-alien-routine ("WaitForSingleObject" wait-for-single-object) - sb-alien:long - (object sb-alien::hinstance) - (timeout sb-alien:long)) + (sb-alien:define-alien-routine ("WSAWaitForMultipleEvents" wsa-wait-for-multiple-events) + ws-dword + (number-of-events ws-dword) + (events (* ws-event)) + (wait-all-p (boolean #.sb-vm::n-machine-word-bits)) + (timeout ws-dword) + (alertable-p (boolean #.sb-vm::n-machine-word-bits)))
(sb-alien:define-alien-routine ("ioctlsocket" wsa-ioctlsocket) sb-alien:int @@ -496,11 +501,12 @@
(defun wait-for-input-internal (wait-list &key timeout) (when (waiting-required (wait-list-waiters wait-list)) - (let ((rv (wait-for-single-object (wait-list-%wait wait-list) (truncate (* 1000000 timeout))))) + (let ((rv (wsa-wait-for-multiple-events 1 (wait-list-%wait wait-list) + nil (truncate (* 1000 timeout)) nil))) (ecase rv - ((#.+wait-object-0+ #.+wait-timeout+) + ((#.+wsa-wait-event-0+ #.+wsa-wait-timeout+) (update-ready-and-state-slots (wait-list-waiters wait-list))) - (#.+wait-failed+ + ((#.+wsa-wait-failed+) (raise-usock-err (sb-win32::get-last-error-message (sb-win32::get-last-error)) wait-list)))))) @@ -530,24 +536,32 @@ network-events) (maybe-wsa-error rv socket)))))))
+ (defun os-wait-list-%wait (wait-list) + (sb-alien:deref (wait-list-%wait wait-list))) + + (defun (setf os-wait-list-%wait) (value wait-list) + (setf (sb-alien:deref (wait-list-%wait wait-list)) value)) + (defun %setup-wait-list (wait-list) - (setf (wait-list-%wait wait-list) (wsa-event-create)) + (setf (wait-list-%wait wait-list) (sb-alien:make-alien ws-event)) + (setf (os-wait-list-%wait wait-list) (wsa-event-create)) (sb-ext:finalize wait-list #'(lambda () (unless (null (wait-list-%wait wait-list)) - (wsa-event-close (wait-list-%wait wait-list)))))) + (wsa-event-close (os-wait-list-%wait wait-list)) + (sb-alien:free-alien (wait-list-%wait wait-list))))))
(defun %add-waiter (wait-list waiter) (let ((events (etypecase waiter (stream-server-usocket (logior fd-connect fd-accept fd-close)) - (stream-usocket (logior fd-connect fd-read fd-oob fd-close)) + (stream-usocket (logior fd-read)) (datagram-usocket (logior fd-read))))) (maybe-wsa-error - (wsa-event-select (os-socket-handle waiter) (wait-list-%wait wait-list) events) + (wsa-event-select (os-socket-handle waiter) (os-wait-list-%wait wait-list) events) waiter)))
(defun %remove-waiter (wait-list waiter) (maybe-wsa-error - (wsa-event-select (os-socket-handle waiter) (wait-list-%wait wait-list) 0) + (wsa-event-select (os-socket-handle waiter) (os-wait-list-%wait wait-list) 0) waiter)) ) ; progn
-
Chun Tian