netbsd-bugs: bin/5475: /bin/sh does not use vfork when doing a fork/exec pair

Subject: bin/5475: /bin/sh does not use vfork when doing a fork/exec pair
To: None <gnats-bugs@gnats.netbsd.org>
From: Jason R Thorpe <thorpej@nas.nasa.gov>
List: netbsd-bugs
Date: 05/20/1998 18:22:03

>Number:         5475
>Category:       bin
>Synopsis:       /bin/sh does not use vfork when doing a fork/exec pair
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people (Utility Bug People)
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Wed May 20 18:35:00 1998
>Last-Modified:
>Originator:     Jason R Thorpe
>Organization:
Numerical Aerospace Simulation Facility - NASA Ames
>Release:        NetBSD 1.3E, May 20, 1998
>Environment:
	
System: NetBSD lestat 1.3E NetBSD 1.3E (LESTAT) #134: Wed May 20 14:43:22 PDT 1998 thorpej@lestat:/tmp_mnt/dracul/u5/netbsd/src/sys/arch/sparc/compile/LESTAT sparc


>Description:
	/bin/sh does not use vfork when it does a fork/exec pair.  Use
	of vfork in this case would likely provide a nice performance boost.

>How-To-Repeat:
	Inspect code.

>Fix:
	None supplied.  The interface to forkshell() will probably have to
	change.
>Audit-Trail:
>Unformatted: