Your message dated Tue, 22 Apr 2008 00:19:08 +0300
with message-id <[EMAIL PROTECTED]>
and subject line Re: Bug#202110: perl doesn't handle blocking opens on fifos
has caused the Debian Bug report #202110,
regarding perl doesn't handle blocking opens on fifos
to be marked as done.
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--
202110: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=202110
Debian Bug Tracking System
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--- Begin Message ---
Package: perl
Version: 5.8.0-17
When a FIFO is opened for write, perl no longer blocks until a reader has
also opened the FIFO. Instead, it appears to always operate in non-blocking
mode, accepting the open and allowing data to be written to it until the
kernel's buffer fills.
open(FIFO,">$OutputFifo")
This causes problems with programs like "signify" that do a blocking write
on the ".signature" file and then write one signature before closing, waiting,
and doing another blocking open. With the new perl, signify may store a
half-dozen signatures in the buffer that will be read when another program
accesses .signature.
This may be related to bug #170590 except that bug refers to problem when
using non-blocking I/O while this has to do with wanting blocking I/O.
Brian
( [EMAIL PROTECTED] )
-------------------------------------------------------------------------------
"Those who are victorious plan effectively and change decisively. They are
like a great river that maintains its course but adjusts its flow... they have
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--- End Message ---
--- Begin Message ---
On Sun, Jul 27, 2003 at 01:48:21PM +1000, Brendan O'Dea wrote:
> On Sat, Jul 19, 2003 at 04:29:09PM -0400, Brian White wrote:
> >When a FIFO is opened for write, perl no longer blocks until a reader has
> >also opened the FIFO. Instead, it appears to always operate in non-blocking
> >mode, accepting the open and allowing data to be written to it until the
> >kernel's buffer fills.
> >
> > open(FIFO,">$OutputFifo")
> I can't duplicate this problem.
Neither can I, and no further information was supplied. Closing as old
and unreproducible.
Cheers,
--
Niko Tyni [EMAIL PROTECTED]
--- End Message ---
