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Re: Extending /proc/*/maps
On May 12 12:37, Ryan Johnson wrote:
> On 11/05/2011 3:31 PM, Corinna Vinschen wrote:
> >On May 11 13:46, Ryan Johnson wrote:
> >>Also, the cygheap isn't a normal windows heap, is it? I thought it
> >>was essentially a statically-allocated array (.cygheap) that gets
> >>managed as a heap. I guess since it's part of cygwin1.dll we already
> >>do sort of report it...
> >The cygheap is the last section in the DLL and gets allocated by the
> >Windows loader. The memory management is entirely in Cygwin (cygheap.cc).
> >Cygwin can raise the size of the cygheap, but only if the blocks right
> >after the existing cygheap are not already allocated.
> Would it make sense to give that section, and the one(s) which
> immediately follow it, the tag "[cygheap]" rather than
> "/usr/bin/cygwin1.dll" and nothing? It would require struct pefile
> to identify the section, plus some trickery in format_process_maps
> to treat the cygwin dll and adjacent succeeding allocation(s)
> specially.
I wouldn't do that. Just because there's a allocated block right
after the cygheap doesn't mean it's part of the cygheap.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
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