(write-char #\/ s))
(dolist (piece (cdr directory))
(etypecase piece
- (string (write-string piece s) (write-char #\/ s))))))
+ (string (write-string piece s) (write-char #\/ s))
+ ((member :up) (write-string "../" s))))))
(etypecase name
(null)
(string (write-string name s)))
(string filename))
(define-designator file-descriptor (integer 32)
- (sb-impl::file-stream (sb-impl::fd-stream-fd file-descriptor))
+ (file-stream (sb-sys:fd-stream-fd file-descriptor))
(fixnum file-descriptor))
(define-designator sap-or-nil sb-sys:system-area-pointer
(null (sb-sys:int-sap 0))
(sb-sys:system-area-pointer sap-or-nil))
+(define-designator alien-pointer-to-anything-or-nil (* t)
+ (null (sb-alien:sap-alien (sb-sys:int-sap 0) (* t)))
+ ((alien (* t)) alien-pointer-to-anything-or-nil))
+
(defun lisp-for-c-symbol (s)
(intern (substitute #\- #\_ (string-upcase s)) :sb-posix))
+(defmacro define-call-internally (lisp-name c-name return-type error-predicate &rest arguments)
+ (if (sb-fasl::foreign-symbol-address-as-integer-or-nil
+ (sb-vm:extern-alien-name c-name))
+ `(progn
+ (declaim (inline ,lisp-name))
+ (defun ,lisp-name ,(mapcar #'car arguments)
+ (let ((r (alien-funcall
+ (extern-alien
+ ,c-name
+ (function ,return-type
+ ,@(mapcar
+ (lambda (x)
+ (gethash (cadr x) *designator-types* (cadr x)))
+ arguments)))
+ ,@(mapcar (lambda (x)
+ (if (nth-value 1 (gethash (cadr x) *designator-types*))
+ `(,(intern (symbol-name (cadr x)) :sb-posix)
+ ,(car x))
+ (car x)))
+ arguments))))
+ (if (,error-predicate r) (syscall-error) r))))
+ `(sb-int:style-warn "Didn't find definition for ~S" ,c-name)))
+
(defmacro define-call (name return-type error-predicate &rest arguments)
(let ((lisp-name (lisp-for-c-symbol name)))
`(progn
+ (export ',lisp-name :sb-posix)
+ (define-call-internally ,lisp-name ,name ,return-type ,error-predicate ,@arguments))))
+
+(defmacro define-entry-point (name arglist &body body)
+ (let ((lisp-name (lisp-for-c-symbol name)))
+ `(progn
(export ',lisp-name :sb-posix)
(declaim (inline ,lisp-name))
- (defun ,lisp-name ,(mapcar #'car arguments)
- (let ((r (alien-funcall
- (extern-alien
- ,name
- (function ,return-type
- ,@(mapcar
- (lambda (x)
- (gethash (cadr x) *designator-types* (cadr x)))
- arguments)))
- ,@(mapcar (lambda (x)
- (if (nth-value 1 (gethash (cadr x) *designator-types*))
- `(,(intern (symbol-name (cadr x)) :sb-posix)
- ,(car x))
- (car x)))
- arguments))))
- (if (,error-predicate r) (syscall-error) r))))))
+ (defun ,lisp-name ,arglist
+ ,@body))))