51 lines
1.2 KiB
Scheme
51 lines
1.2 KiB
Scheme
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;;; Flags for open(2) and fcntl(2).
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;;; Copyright (c) 1993 by Olin Shivers. See file COPYING.
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;;; Modified for Solaris by tvb@math.ufl.edu
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(define-enum-constants open
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(read 0)
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(write 1)
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(read+write 2)
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(append 8)
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(create #x0100)
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(exclusive #x0400)
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(no-control-tty #x800) ;claims to be POSIX
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(non-blocking #x80) ;claims to be POSIX
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(truncate #x0200)
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;;; Not POSIX.
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(no-delay 4)
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(sync #x10))
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(define open/access-mask
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(bitwise-ior open/read
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(bitwise-ior open/write open/read+write)))
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(define-enum-constants fcntl
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(dup-fdes 0) ; F_DUPFD
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(get-fdes-flags 1) ; F_GETFD
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(set-fdes-flags 2) ; F_SETFD
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(get-status-flags 3) ; F_GETFL
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(set-status-flags 4) ; F_SETFL
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(get-owner 23) ; F_GETOWN (Not Posix)
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(set-owner 24) ; F_SETOWN (Not Posix)
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(get-record-lock 5) ; F_GETLK
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(set-record-lock-no-block 6) ; F_SETLK
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(set-record-lock 7)) ; F_SETLKW
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;;; fcntl fdes-flags (F_GETFD)
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(define fdflags/close-on-exec 1)
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;;; fcntl status-flags (F_GETFL)
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;;; Mostly, these are OPEN/... flags, like OPEN/APPEND.
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;;; (define fdstatus/... ...)
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;;; fcntl lock values.
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(define-enum-constants lock
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(read 1) ; F_RDLCK
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(write 2) ; F_WRLCK
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(release 3)) ; F_UNLCK
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