scsh-0.5/scsh/irix/fdflags.scm

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)