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Re: erlang -> asmjit -> mremap questions/bugs
On Wed, Mar 01, 2023 at 15:29:27 +0100, Thomas Klausner wrote:
> It seems the problem is that mmap() in the mremap(2) man page example
> (which was used to implement the asmjit version) is not using
> - I'd like to add MAP_SHARED in the mmap() call in the mremap(2) man
> page example. Is that fine?
Not really. There are no other processes involved in the example, so
MAP_SHARED makes no sense.
> - Reading mmap(2) it seems that one of MAP_SHARED or MAP_PRIVATE is
> required, but there is no error if none is provided. Should we change
> mmap() to return an error in that case?
* Old programs may not select a specific sharing type, so
* default to an appropriate one.
> - Why does MAP_PRIVATE (instead of MAP_SHARED) not work?
Are there multiple processes involved in the erlang case?
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