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Re: [Chicken-users] Memory mapped I/O and CHICKEN ports

From: Thomas Chust
Subject: Re: [Chicken-users] Memory mapped I/O and CHICKEN ports
Date: Mon, 06 Dec 2004 11:08:59 +0100
User-agent: Mozilla Thunderbird 0.8 (X11/20040913)

felix winkelmann wrote:
Effectively, just put a 4-byte (on 32-bit platforms) header at the start
of the mmapped region and set it to (C_STRING_TYPE | <length>).


thank you for the tip -- it works fine in a controlled environment. But I have one more problem: I cannot map the file to a totally arbitrary position in memory (it must be exactly on a page boundary), so how can I get the header bytes directly in front of the mapped file?!?


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