Failure with fork()

Alan W. Irwin
Thu Jun 27 19:13:00 GMT 2013

On 2013-06-27 11:35-0700 Alan W. Irwin wrote:

> The only Windows platform available to me is Wine.  And I have
> no Cygwin on Wine experience at this stage because this fork bug shut
> me out.  But now that it is fixed in CVS, how do I get access to
> the fixed version of setup.exe?
> Are there daily snapshot builds of the CVS version I could access?

Never mind.  I have now found the snapshots page, and the latest one

013-06-18  Christopher Faylor  <>

* (child_info_fork::alloc_stack): Don't subtract 4096 from
stack pointer since getstack() already does that.

Could someone confirm that is the fork fix of interest here?

I am somewhat confused by the remark
that "You cannot use Cygwin Setup to install a snapshot."

So what exactly is installed by a snapshot?  Is it just the core part
of Cygwin?  Is there enough included in cygwin-inst-YYYYMMDD.tar.bz2
so I can run setup.exe from the installed version of that tarball to
download and install or update additional Cygwin components that I
might need?

Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (

Programming affiliations with the FreeEOS equation-of-state
implementation for stellar interiors (; the Time
Ephemerides project (; PLplot scientific plotting
software package (; the libLASi project
(; the Loads of Linux Links project (;
and the Linux Brochure Project (

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