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Check that the lockfile isn't stale from being left over across a system

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reboot by testing whether or not /var/run/dmesg.boot is newer than it or
not.  Fix suggested by agc@NetBSD.org and simonb@NetBSD.org.
This commit is contained in:
jlam 2003-09-09 11:00:30 +00:00
parent e3f344c974
commit 42f190469c
1 changed files with 6 additions and 1 deletions
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7
mk/bsd.pkg.mk
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@ -1,4 +1,4 @@
# $NetBSD: bsd.pkg.mk,v 1.1265 2003/09/08 01:13:02 jlam Exp $
# $NetBSD: bsd.pkg.mk,v 1.1266 2003/09/09 11:00:30 jlam Exp $
#
# This file is in the public domain.
#
@ -1888,6 +1888,11 @@ _ACQUIRE_LOCK= \
${_PKG_SILENT}${_PKG_DEBUG} \
ppid=`${PS} -p $$$$ -o ppid | ${AWK} 'NR == 2 { print $$1 }'`; \
while true; do \
if [ -f /var/run/dmesg.boot -a -f ${LOCKFILE} -a \
/var/run/dmesg.boot -nt ${LOCKFILE} ]; then \
${ECHO} "=> Removing stale ${LOCKFILE}"; \
${RM} ${LOCKFILE}; \
fi; \
${SHLOCK} -f ${LOCKFILE} -p $$ppid && break; \
${ECHO} "=> Lock is held by pid `cat ${LOCKFILE}`"; \
case "${PKGSRC_LOCKTYPE}" in \