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Bug 948025 - SocketServer doesn't handle syscall interruption
Summary: SocketServer doesn't handle syscall interruption
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: python
Version: 6.4
Hardware: All
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Robert Kuska
QA Contact: Jan Kepler
URL:
Whiteboard:
Depends On:
Blocks: 835616 960054
TreeView+ depends on / blocked
 
Reported: 2013-04-03 19:46 UTC by Jacob Hunt
Modified: 2018-12-03 18:36 UTC (History)
5 users (show)

Fixed In Version: python-2.6.6-47.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-11-21 09:14:28 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)
Proposed patch - wrapper for select.select (1.53 KB, patch)
2013-06-24 08:16 UTC, Robert Kuska
no flags Details | Diff


Links
System ID Private Priority Status Summary Last Updated
Python 7978 0 None None None Never
Red Hat Product Errata RHSA-2013:1582 0 normal SHIPPED_LIVE Moderate: python security, bug fix, and enhancement update 2013-11-20 21:39:43 UTC

Description Jacob Hunt 2013-04-03 19:46:55 UTC
Description of problem:

SocketServer's handle_request function uses "select" call to handle io, but sending POSIX signal will result in 'Interrupted system call' exception raised.

Version-Release number of selected component (if applicable):

python-2.6.6-36.el6.x86_64

Comment 2 Jay Hilliard 2013-04-03 20:39:41 UTC
This is the old dreaded EINTR bug

Further details can be found here
http://bugs.python.org/issue7978
It's fixed in Python 2.7
http://hg.python.org/cpython/rev/97a0c6230ece/

The impact on us is that all our users are getting intermittent crashes in various applications. It's hurting our workflow.

Comment 6 Robert Kuska 2013-06-24 08:16:04 UTC
Created attachment 764491 [details]
Proposed patch - wrapper for select.select

Comment 9 errata-xmlrpc 2013-11-21 09:14:28 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2013-1582.html


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