From: Mike Frysinger <vapier@gentoo.org>
To: gentoo-portage-dev@lists.gentoo.org
Subject: [gentoo-portage-dev] [PATCH] econf: update config.{sub,guess} atomically to avoid races
Date: Tue, 17 Dec 2013 18:23:26 -0500 [thread overview]
Message-ID: <1387322606-3867-1-git-send-email-vapier@gentoo.org> (raw)
URL: https://bugs.gentoo.org/487478
---
bin/phase-helpers.sh | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/bin/phase-helpers.sh b/bin/phase-helpers.sh
index ec48c94..59c053a 100644
--- a/bin/phase-helpers.sh
+++ b/bin/phase-helpers.sh
@@ -512,7 +512,9 @@ econf() {
-name config.guess -o -name config.sub ')' -print0 | \
while read -r -d $'\0' x ; do
__vecho " * econf: updating ${x/${WORKDIR}\/} with ${EPREFIX}/usr/share/gnuconfig/${x##*/}"
- cp -f "${EPREFIX}"/usr/share/gnuconfig/"${x##*/}" "${x}"
+ # Make sure we do this atomically incase we're run in parallel. #487478
+ cp -f "${EPREFIX}"/usr/share/gnuconfig/"${x##*/}" "${x}.$$"
+ mv -f "${x}.$$" "${x}"
done
fi
--
1.8.4.3
next reply other threads:[~2013-12-17 23:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-17 23:23 Mike Frysinger [this message]
2013-12-17 23:28 ` [gentoo-portage-dev] [PATCH] econf: update configure/config.{sub,guess} atomically to avoid races Mike Frysinger
2013-12-18 0:26 ` Brian Dolbec
2013-12-18 1:08 ` Alec Warner
2013-12-18 1:41 ` Greg Turner
2013-12-18 1:58 ` Alec Warner
2013-12-18 2:53 ` Greg Turner
2013-12-18 5:16 ` Alec Warner
2013-12-21 3:07 ` [gentoo-portage-dev] " Ryan Hill
2013-12-21 9:23 ` Mike Frysinger
2013-12-21 9:49 ` [gentoo-portage-dev] [PATCH] add a __bashpid helper for <bash-4.0 versions Mike Frysinger
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