27 lines
567 B
Scheme
27 lines
567 B
Scheme
;;; 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 #o00400)
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(exclusive #o02000)
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(no-control-tty #o04000)
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(nonblocking #o00100)
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(truncate #o01000)
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;;; Not POSIX.
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(no-delay #o0004)
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(sync #o0020))
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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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