;;; mmap, msync
(define-call "mmap" sb-sys:system-area-pointer
- ;; KLUDGE: #XFFFFFFFF is (void *)-1, which is the charming return
- ;; value of mmap on failure. Except on 64 bit systems ...
(lambda (res)
- (= (sb-sys:sap-int res) #-alpha #XFFFFFFFF #+alpha #xffffffffffffffff))
+ (= (sb-sys:sap-int res) #.(1- (expt 2 sb-vm::n-machine-word-bits))))
(addr sap-or-nil) (length unsigned) (prot unsigned)
(flags unsigned) (fd file-descriptor) (offset sb-posix::off-t))