Bug 673556

Summary: Extra fork when tcsh processes backquotes
Product: Red Hat Enterprise Linux 6 Reporter: Branislav Náter <bnater>
Component: tcshAssignee: Vojtech Vitek <vvitek>
Status: CLOSED ERRATA QA Contact: BaseOS QE - Apps <qe-baseos-apps>
Severity: high Docs Contact:
Priority: unspecified    
Version: 6.0CC: bmason, bnater, fnadge, hripps, james.leddy, ovasik, pm-eus, pm-rhel, rdassen, rvokal, tao, vcrhonek
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Previously, when command substitution with backquotes was used, extra fork() was performed. With this update, only one fork() is performed.
Story Points: ---
Clone Of: 640251
: 688170 (view as bug list) Environment:
Last Closed: 2011-02-02 15:31:20 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 594536, 640251, 689383    
Bug Blocks: 688170    
Attachments:
Description Flags
Upstream patch against tcsh-6.17.00 none

Comment 2 RHEL Program Management 2011-01-28 18:08:22 UTC
This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated
in the current release, Red Hat is unfortunately unable to
address this request at this time. Red Hat invites you to
ask your support representative to propose this request, if
appropriate and relevant, in the next release of Red Hat
Enterprise Linux. If you would like it considered as an
exception in the current release, please ask your support
representative.

Comment 5 Vojtech Vitek 2011-01-31 10:19:24 UTC
Created attachment 476160 [details]
Upstream patch against tcsh-6.17.00

Comment 7 Jaromir Hradilek 2011-01-31 16:27:43 UTC
    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Previously, when command substitution with backquotes was used, extra fork() was performed. With this update, only one fork() is performed.

Comment 8 Branislav Náter 2011-02-01 12:24:02 UTC
Bugfix successfully verified on package tcsh-6.17-12.el6.{i386,x86_64,s390x,ppc64} using /CoreOS/tcsh/Regression/bz640251-Extra-fork-when-tcsh-processes-backquotes TC.

Comment 9 errata-xmlrpc 2011-02-02 15:31:20 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0193.html