X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=contrib%2Fsb-posix%2Finterface.lisp;h=f8eef1fdaadba2f0aba61895e89204fd7c24e8cd;hb=219cc40793f9c82fb943b29a1846f898f4f9de1e;hp=732922e08f10bc8338df1107963bfa7e6ffc3894;hpb=ffb003f5648f1abe64561c8a426878774e10a21b;p=sbcl.git

diff --git a/contrib/sb-posix/interface.lisp b/contrib/sb-posix/interface.lisp
index 732922e..f8eef1f 100644
--- a/contrib/sb-posix/interface.lisp
+++ b/contrib/sb-posix/interface.lisp
@@ -64,14 +64,19 @@
   ((errno :initarg :errno :reader sb-posix:syscall-errno)
    (name :initarg :name :initform nil :reader sb-posix:syscall-name))
   (:report (lambda (c s)
-             (let ((errno (sb-posix:syscall-errno c)))
-               (format s "Error in ~S: ~A (~A)"
-                       (sb-posix:syscall-name c)
-                       (sb-int:strerror errno)
-                       errno)))))
-
-(declaim (ftype (function (symbol) nil) syscall-error))
-(defun syscall-error (name)
+             (let ((errno (sb-posix:syscall-errno c))
+                   (name (sb-posix:syscall-name c)))
+               (if name
+                   (format s "Error in ~S: ~A (~A)"
+                           name
+                           (sb-int:strerror errno)
+                           errno)
+                   (format s "Error in syscall: ~A (~A)"
+                           (sb-int:strerror errno)
+                           errno))))))
+
+(declaim (ftype (function (&optional symbol) nil) syscall-error))
+(defun syscall-error (&optional name)
   (error 'sb-posix:syscall-error
          :name name
          :errno (get-errno)))
@@ -437,8 +442,29 @@ not supported."
  (define-call "munmap" int minusp
    (start sb-sys:system-area-pointer) (length unsigned))
 
+#-win32
 (define-call "msync" int minusp
   (addr sb-sys:system-area-pointer) (length unsigned) (flags int)))
+#+win32
+(progn
+  ;; No attempt is made to offer a full mmap-like interface on Windows.
+  ;; It would be possible to do so (and has been done by AK on his
+  ;; branch), but the use case is unclear to me.  However, the following
+  ;; definitions are needed to keep existing code in sb-simple-streams
+  ;; running. --DFL
+  (defconstant PROT-READ #x02)
+  (defconstant PROT-WRITE #x04)
+  (defconstant PROT-EXEC #x10)
+  (defconstant PROT-NONE 0)
+  (defconstant MAP-SHARED 0)
+  (defconstant MAP-PRIVATE 1)
+  (defconstant MS-ASYNC nil)
+  (defconstant MS-SYNC nil)
+  (export                            ;export on the fly like define-call
+   (defun msync (address length flags)
+     (declare (ignore flags))
+     (when (zerop (sb-win32:flush-view-of-file address length))
+       (sb-win32::win32-error "FlushViewOfFile")))))
 
 ;;; mlockall, munlockall
 (define-call "mlockall" int minusp (flags int))