Fuzion • Library Modules • base • io • file • open • mmap

io.file.open.mmap

type

, offset i64, size i64, code Function R)

install mmap effect an run code

note: the offset must be a multiple of the `os.mmap_offset_multiple` which usually is 4096, windows 65536?
note: offset+size must not exceed size of file

example usage:

_ := io.file.use unit "/some_file" io.file.mode.append ()->
  io.file.open.mmap (i64 0) (i64 100) ()->
    io.file.open.mmap[99] := 42

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_ := io.file.use unit "/some_file" io.file.mode.append ()->
  io.file.open.mmap (i64 0) (i64 100) ()->
    io.file.open.mmap[99] := 42
 
 
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What are effects?

Type Parameters

Any ¶

[src]

0.095dev (2025-09-09 14:29:31 GIT hash 98644f8f651c2101a0730cfe31c5807993b7603b built by fridi@fzen)