53 lines
1.3 KiB
Scheme
53 lines
1.3 KiB
Scheme
|
;;; Flags for open(2) and fcntl(2).
|
||
|
|
;;; Copyright (c) 1993 by Olin Shivers. See file COPYING.
|
||
|
|
;;; Copyright (c) 1994 by Brian D. Carlstrom.
|
||
|
|
|
||
|
|
(define-enum-constants open
|
||
|
|
(read #o000)
|
||
|
|
(write #o001)
|
||
|
|
(read+write #o002)
|
||
|
|
(append #o00010)
|
||
|
|
(create #o01000)
|
||
|
|
(exclusive #o04000)
|
||
|
|
(no-control-tty #o20000000)
|
||
|
|
(non-blocking #o4000000)
|
||
|
|
(truncate #o2000)
|
||
|
|
;;; Not POSIX.
|
||
|
|
(no-delay #o0004)
|
||
|
|
(sync #o100000)
|
||
|
|
; (blkinuse #o10000)
|
||
|
|
; (blkandset (bitwise-ior #o10000 #o20000))
|
||
|
|
(termio #o10000000)
|
||
|
|
)
|
||
|
|
|
||
|
|
(define open/access-mask
|
||
|
|
(bitwise-ior open/read
|
||
|
|
(bitwise-ior open/write open/read+write)))
|
||
|
|
|
||
|
|
;;; fcntl() commands
|
||
|
|
|
||
|
|
(define-enum-constants fcntl
|
||
|
|
(dup-fdes 0) ; F_DUPFD
|
||
|
|
(get-fdes-flags 1) ; F_GETFD
|
||
|
|
(set-fdes-flags 2) ; F_SETFD
|
||
|
|
(get-status-flags 3) ; F_GETFL
|
||
|
|
(set-status-flags 4) ; F_SETFL
|
||
|
|
(get-record-lock 7) ; F_GETLK
|
||
|
|
(set-record-lock-no-block 8) ; F_SETLK
|
||
|
|
(set-record-lock 9)) ; F_SETLKW
|
||
|
|
|
||
|
|
;;; fcntl fdes-flags (F_GETFD)
|
||
|
|
|
||
|
|
(define fdflags/close-on-exec 1)
|
||
|
|
|
||
|
|
;;; fcntl status-flags (F_GETFL)
|
||
|
|
;;; Mostly, these are OPEN/... flags, like OPEN/APPEND.
|
||
|
|
;;; (define fdstatus/... ...)
|
||
|
|
|
||
|
|
;;; fcntl lock values.
|
||
|
|
|
||
|
|
(define-enum-constants lock
|
||
|
|
(read 1) ; F_RDLCK
|
||
|
|
(write 2) ; F_WRLCK
|
||
|
|
(release 3)) ; F_UNLCK
|