Re: rsync over ssh hang issue understood

[Darryl Miles <darryl-mailinglists at netbauds dot net>]

Corinna Vinschen wrote:
> On Jul  7 08:43, Darryl Miles wrote:
> > What was the reason the existing code in CVS for select.cc was disabled?
> >
> > Maybe it would help to better understand the reasons/cases where the 
> > disabled code failed.
>
> Hangs with native Windows applications, AFAIR.

I take this to mean a CYGWIN app is on one end and a native app on the 
other.

Remember the test case ?

When it hangs can you remember who was reading and who was writing.

Is there a native standard app in Win2k/XP that can be used ?



In MSDN there is:

"The pipe server should not perform a blocking read operation until the 
pipe client has started.  Otherwise, a race condition can occur.  This 
typically occurs when initialization code, such as the C run-time, needs 
to lock and examine inherited handles."

Could this be related ?  Does anyone on the list know the background of 
the statement, it sounds like a Windows documented bug/feature.


How is the notion of Server or Client end given when both ends are only 
using Open/Read/Write and never using CallNamedPipe, ConnectNamedPipe, 
WaitNamedPipe.  Is the creator automatically the server ?



Darryl

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