ia64/xen-unstable

view netbsd-2.0-xen-sparse/nbconfig-xen @ 5867:932fc8a1b38d

# HG changeset patch
# User Rusty Russell <rusty@rustcorp.com.au>
# Node ID a92163adedcfcff0d05c965d09da747f3c8aa13e
# Parent 63ab20781afa311300f3a8e832744292014ea7f6

Remove ill-conceived concept of watches blocking reply on connection which did write/mkdir/rm/setperm etc.
This causes deadlocks in real life, and I can't see a sane way of avoiding them: it is reasonable for someone to ignore watch notifications while doing other actions, and that means that we can do other writes. These writes can block pending other watchers; if one of these is the process blocked awaiting our ack, we deadlock.

diff -r 63ab20781afa -r a92163adedcf tools/xenstore/xenstored_core.c
author cl349@firebug.cl.cam.ac.uk
date Tue Jul 26 13:11:01 2005 +0000 (2005-07-26)
parents 0a4b76b6b5a0
children
line source
1 #! /bin/sh
2 #
4 : ${HOS:=$(uname -s | tr /A-Z/ /a-z/)}
5 : ${HARCH:=$(uname -m 2>/dev/null || echo i386)}
6 : ${NETBSD_RELEASE:=$(basename $(cd $(dirname $0) && pwd) | sed 's/netbsd-\([0-9]\+\.[0-9]\+\).*/\1/')}
7 : ${NETBSD_VERSION:=$(basename $(cd $(dirname $0) && pwd) | sed 's/netbsd-\([0-9]\+\.[0-9]\+.*\)-xen.*/\1/')}
8 : ${TOPDIR:=$(cd $(dirname $0) && pwd | sed 's/\(netbsd-[0-9]\+\.[0-9]\+.*-xen[^/]*\)/\1/')}
10 case "$HARCH" in
11 i586|i686)
12 HARCH=i386
13 ;;
14 esac
16 TOOLDIR="$TOPDIR/../netbsd-${NETBSD_RELEASE}-tools/$HOS-$HARCH"; export TOOLDIR
18 CONF="$1"
19 case "$1" in
20 /*)
21 CONF="$1"
22 ;;
23 *)
24 CONF="$TOPDIR"/sys/arch/xen/conf/"$1"
25 ;;
26 esac
27 exec "${TOOLDIR}/bin/nbconfig" -b $(pwd) -s "$TOPDIR"/sys "$CONF"