32 lines
916 B
Factor
32 lines
916 B
Factor
! Copyright (C) 2007, 2008 Doug Coleman, Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: continuations destructors io.files io.files.info
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io.backend kernel quotations system alien alien.accessors
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accessors system vocabs.loader combinators alien.c-types
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math ;
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IN: io.mmap
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TUPLE: mapped-file address handle length disposed ;
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HOOK: (mapped-file) os ( path length -- address handle )
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ERROR: bad-mmap-size path size ;
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: <mapped-file> ( path -- mmap )
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[ normalize-path ] [ file-info size>> ] bi
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dup 0 <= [ bad-mmap-size ] when
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[ (mapped-file) ] keep
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f mapped-file boa ;
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HOOK: close-mapped-file io-backend ( mmap -- )
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M: mapped-file dispose* ( mmap -- ) close-mapped-file ;
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: with-mapped-file ( path quot -- )
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[ <mapped-file> ] dip with-disposal ; inline
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{
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{ [ os unix? ] [ "io.mmap.unix" require ] }
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{ [ os winnt? ] [ "io.mmap.windows" require ] }
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} cond
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