41 lines
913 B
Scheme
41 lines
913 B
Scheme
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;;; Flags for open(2) and fcntl(2).
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;;; Copyright (c) 1993 by Olin Shivers.
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(define-syntax define-open-flags
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(syntax-rules ()
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((define-errnos form ...)
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(begin (define-enum-constant "open" . form) ...))))
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(define-open-flags
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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 #x100)
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(exclusive #x400)
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(no-control-tty #x800)
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(nonblocking #x80)
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(truncate #x200)
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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 fcntl/close-on-exec 1)
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(define fcntl/dupfd 0)
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(define fcntl/get-fd-flags 1)
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(define fcntl/set-fd-flags 2)
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(define fcntl/get-file-flags 3)
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(define fcntl/set-file-flags 4)
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(define fcntl/get-record-lock 5)
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(define fcntl/set-record-lock-noblock 6)
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(define fcntl/set-record-lock 7)
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(define lock/read 1)
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(define lock/write 2)
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(define lock/release 3)
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