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Re: 64 bit development -- Is mmap() of over 4GB possible on OS X 10.4/10.5?

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Re: 64 bit development -- Is mmap() of over 4GB possible on OS X 10.4/10.5?

Subject: Re: 64 bit development -- Is mmap() of over 4GB possible on OS X 10.4/10.5?
From: William Kucharski <email@hidden>
Date: Mon, 10 Mar 2008 05:29:14 -0600


On Mar 10, 2008, at 1:59 AM, Jamil J. Weatherbee wrote:

Try increasing MEMSIZE until it breaks for you and you get 0xffffffffffffffff returned from mmap. BTW - this leaves 10GB of garbage around in the VM if you run it successfully.


What is errno set to when this happens?

mmap(2) is defined to return -1 to the caller in case of error.

    William Kucharski
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  >64 bit development -- Is mmap() of over 4GB possible on OS X	10.4/10.5? (From: "Jamil J. Weatherbee" <email@hidden>)




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