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To: gentoo-dev@g.o
From: Mike Frysinger <vapier@g.o>
Subject: Re: multiprocessing.eclass: doing parallel work in bash
Date: Sat, 2 Jun 2012 19:58:15 -0400
On Saturday 02 June 2012 19:29:29 Zac Medico wrote:
> On 06/02/2012 02:12 PM, Mike Frysinger wrote:
> > On Saturday 02 June 2012 16:39:16 Zac Medico wrote:
> >> On 06/02/2012 12:54 PM, Mike Frysinger wrote:
> >>> 			if [[ ! -L /dev/fd/${fd} ]] ; then
> >>> 				eval "exec ${fd}${redir}'${file}'" && break
> >>> 			fi
> >> 
> >> I launched up a GhostBSD livedvd to see what /dev/fd/ looks like on
> >> FreeBSD, and it seems to contain plain character devices instead of
> > 
> >> symlinks to character devices:
> > i didn't want to use [ -e ] because of broken links, but it seems that
> > Linux has diff semantics with /proc and broken symlinks.  `test -e` will
> > return true.
> 
> How about if we just create a fallback mode for older bash, where no
> pipes are involved, and multijob_post_fork just uses `wait` to check
> status and effectively causes only one job to execute at a time?

hmm, maybe, but i've already written the code to support older versions :)
-mike
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multiprocessing.eclass: doing parallel work in bash
-- Mike Frysinger
Re: multiprocessing.eclass: doing parallel work in bash
-- Mike Frysinger
Re: multiprocessing.eclass: doing parallel work in bash
-- Zac Medico
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Updated Jun 29, 2012

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