((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)))
(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))
result)))
(export 'utime :sb-posix)
(defun utime (filename &optional access-time modification-time)
- (let ((fun (extern-alien "utime" (function int (c-string :not-null t)
- (* alien-utimbuf))))
+ (let ((fun (extern-alien #-netbsd "utime" #+netbsd "_utime"
+ (function int (c-string :not-null t)
+ (* alien-utimbuf))))
(name (filename filename)))
(if (not (and access-time modification-time))
(alien-funcall fun name nil)