41 lines
913 B
Scheme
41 lines
913 B
Scheme
;;; Flags for open(2) and fcntl(2).
|
|
;;; Copyright (c) 1993 by Olin Shivers.
|
|
|
|
(define-syntax define-open-flags
|
|
(syntax-rules ()
|
|
((define-errnos form ...)
|
|
(begin (define-enum-constant "open" . form) ...))))
|
|
|
|
(define-open-flags
|
|
(read 0)
|
|
(write 1)
|
|
(read+write 2)
|
|
(append 8)
|
|
(create #x100)
|
|
(exclusive #x400)
|
|
(no-control-tty #x800)
|
|
(nonblocking #x80)
|
|
(truncate #x200)
|
|
|
|
;;; Not POSIX.
|
|
(no-delay 4)
|
|
(sync #x10))
|
|
|
|
(define open/access-mask
|
|
(bitwise-ior open/read
|
|
(bitwise-ior open/write open/read+write)))
|
|
|
|
(define fcntl/close-on-exec 1)
|
|
(define fcntl/dupfd 0)
|
|
(define fcntl/get-fd-flags 1)
|
|
(define fcntl/set-fd-flags 2)
|
|
(define fcntl/get-file-flags 3)
|
|
(define fcntl/set-file-flags 4)
|
|
(define fcntl/get-record-lock 5)
|
|
(define fcntl/set-record-lock-noblock 6)
|
|
(define fcntl/set-record-lock 7)
|
|
|
|
(define lock/read 1)
|
|
(define lock/write 2)
|
|
(define lock/release 3)
|