dnsmasq: bump to 2.72
Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 42668
This commit is contained in:
Steven Barth
parent
e5ef34ba02
commit
dd948b7990
4 changed files with 3 additions and 404 deletions
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@ -8,12 +8,12 @@
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include $(TOPDIR)/rules.mk
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PKG_NAME:=dnsmasq
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PKG_VERSION:=2.71
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PKG_RELEASE:=5
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PKG_VERSION:=2.72
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PKG_RELEASE:=1
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
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PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq
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PKG_MD5SUM:=15a68f7f6cc0119e843f67d2f79598f1
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PKG_MD5SUM:=cf82f81cf09ad3d47612985012240483
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PKG_LICENSE:=GPLv2
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PKG_LICENSE_FILES:=COPYING
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@ -1,77 +0,0 @@
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From 063efb330a3f341c2548e2cf1f67f83e49cd6395 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Tue, 17 Jun 2014 19:49:31 +0100
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Subject: [PATCH] Build config: add -DNO_GMP for use with nettle/mini-gmp
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---
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Makefile | 2 +-
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bld/pkg-wrapper | 9 +++++++--
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src/config.h | 7 +++++++
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src/dnssec.c | 3 ++-
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4 files changed, 17 insertions(+), 4 deletions(-)
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--- a/Makefile
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+++ b/Makefile
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@@ -61,7 +61,7 @@ lua_cflags = `echo $(COPTS) | $(top)/
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lua_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_LUASCRIPT $(PKG_CONFIG) --libs lua5.1`
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nettle_cflags = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DNSSEC $(PKG_CONFIG) --cflags nettle hogweed`
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nettle_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DNSSEC $(PKG_CONFIG) --libs nettle hogweed`
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-gmp_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DNSSEC $(PKG_CONFIG) --copy -lgmp`
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+gmp_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DNSSEC NO_GMP --copy -lgmp`
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sunos_libs = `if uname | grep SunOS >/dev/null 2>&1; then echo -lsocket -lnsl -lposix4; fi`
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version = -DVERSION='\"`$(top)/bld/get-version $(top)`\"'
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--- a/bld/pkg-wrapper
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+++ b/bld/pkg-wrapper
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@@ -11,9 +11,14 @@ in=`cat`
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if grep "^\#[[:space:]]*define[[:space:]]*$search" config.h >/dev/null 2>&1 || \
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echo $in | grep $search >/dev/null 2>&1; then
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-
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+# Nasty, nasty, in --copy, arg 2 is another config to search for, use with NO_GMP
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if [ $op = "--copy" ]; then
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- pkg="$*"
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+ if grep "^\#[[:space:]]*define[[:space:]]*$pkg" config.h >/dev/null 2>&1 || \
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+ echo $in | grep $pkg >/dev/null 2>&1; then
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+ pkg=""
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+ else
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+ pkg="$*"
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+ fi
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elif grep "^\#[[:space:]]*define[[:space:]]*${search}_STATIC" config.h >/dev/null 2>&1 || \
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echo $in | grep ${search}_STATIC >/dev/null 2>&1; then
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pkg=`$pkg --static $op $*`
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--- a/src/config.h
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+++ b/src/config.h
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@@ -105,6 +105,8 @@ HAVE_AUTH
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define this to include the facility to act as an authoritative DNS
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server for one or more zones.
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+HAVE_DNSSEC
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+ include DNSSEC validator.
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NO_IPV6
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NO_TFTP
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@@ -118,6 +120,11 @@ NO_AUTH
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which are enabled by default in the distributed source tree. Building dnsmasq
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with something like "make COPTS=-DNO_SCRIPT" will do the trick.
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+NO_NETTLE_ECC
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+ Don't include the ECDSA cypher in DNSSEC validation. Needed for older Nettle versions.
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+NO_GMP
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+ Don't use and link against libgmp, Useful if nettle is built with --enable-mini-gmp.
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+
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LEASEFILE
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CONFFILE
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RESOLVFILE
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--- a/src/dnssec.c
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+++ b/src/dnssec.c
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@@ -26,7 +26,8 @@
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# include <nettle/ecc-curve.h>
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#endif
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#include <nettle/nettle-meta.h>
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-#include <gmp.h>
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+#include <nettle/bignum.h>
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+
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#define SERIAL_UNDEF -100
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#define SERIAL_EQ 0
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@ -1,277 +0,0 @@
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From a0358e5ddbc1ef3dec791f11f95f5dbe56087a5e Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Sat, 7 Jun 2014 13:38:48 +0100
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Subject: [PATCH] Handle async notification of address changes using the event
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system.
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---
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CHANGELOG | 4 ++++
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src/bpf.c | 6 +++---
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src/dhcp6.c | 10 ----------
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src/dnsmasq.c | 13 +++++++++++--
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src/dnsmasq.h | 6 ++++--
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src/netlink.c | 39 ++++++++++-----------------------------
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src/network.c | 11 +++--------
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7 files changed, 35 insertions(+), 54 deletions(-)
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -15,6 +15,10 @@ version 2.71
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regression introduced in 2.69. Thanks to James Hunt and
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the Ubuntu crowd for assistance in fixing this.
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+ Fix race condition which could lock up dnsmasq when an
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+ interface goes down and up rapidly. Thanks to Conrad
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+ Kostecki for helping to chase this down.
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+
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version 2.70
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Fix crash, introduced in 2.69, on TCP request when dnsmasq
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--- a/src/bpf.c
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+++ b/src/bpf.c
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@@ -376,7 +376,7 @@ void route_init(void)
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die(_("cannot create PF_ROUTE socket: %s"), NULL, EC_BADNET);
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}
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-void route_sock(time_t now)
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+void route_sock(void)
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{
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struct if_msghdr *msg;
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int rc = recv(daemon->routefd, daemon->packet, daemon->packet_buff_sz, 0);
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@@ -401,7 +401,7 @@ void route_sock(time_t now)
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else if (msg->ifm_type == RTM_NEWADDR)
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{
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del_family = 0;
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- newaddress(now);
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+ send_newaddr();
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}
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else if (msg->ifm_type == RTM_DELADDR)
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{
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@@ -439,7 +439,7 @@ void route_sock(time_t now)
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of += sizeof(long) - (diff & (sizeof(long) - 1));
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}
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- newaddress(now);
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+ send_newaddr();
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}
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}
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--- a/src/dnsmasq.c
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+++ b/src/dnsmasq.c
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@@ -917,10 +917,10 @@ int main (int argc, char **argv)
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#if defined(HAVE_LINUX_NETWORK)
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if (FD_ISSET(daemon->netlinkfd, &rset))
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- netlink_multicast(now);
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+ netlink_multicast();
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#elif defined(HAVE_BSD_NETWORK)
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if (FD_ISSET(daemon->routefd, &rset))
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- route_sock(now);
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+ route_sock();
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#endif
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/* Check for changes to resolv files once per second max. */
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@@ -1037,6 +1037,11 @@ void send_alarm(time_t event, time_t now
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}
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}
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+void send_newaddr(void)
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+{
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+ send_event(pipewrite, EVENT_NEWADDR, 0, NULL);
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+}
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+
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void send_event(int fd, int event, int data, char *msg)
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{
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struct event_desc ev;
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@@ -1230,6 +1235,10 @@ static void async_event(int pipe, time_t
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if (daemon->log_file != NULL)
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log_reopen(daemon->log_file);
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break;
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+
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+ case EVENT_NEWADDR:
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+ newaddress(now);
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+ break;
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case EVENT_TERM:
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/* Knock all our children on the head. */
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--- a/src/dnsmasq.h
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+++ b/src/dnsmasq.h
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@@ -165,6 +165,7 @@ struct event_desc {
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#define EVENT_LUA_ERR 19
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#define EVENT_TFTP_ERR 20
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#define EVENT_INIT 21
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+#define EVENT_NEWADDR 22
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/* Exit codes. */
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#define EC_GOOD 0
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@@ -1289,6 +1290,7 @@ unsigned char *extended_hwaddr(int hwtyp
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int make_icmp_sock(void);
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int icmp_ping(struct in_addr addr);
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#endif
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+void send_newaddr(void);
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void send_alarm(time_t event, time_t now);
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void send_event(int fd, int event, int data, char *msg);
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void clear_cache_and_reload(time_t now);
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@@ -1297,7 +1299,7 @@ void poll_resolv(int force, int do_reloa
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/* netlink.c */
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#ifdef HAVE_LINUX_NETWORK
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void netlink_init(void);
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-void netlink_multicast(time_t now);
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+void netlink_multicast(void);
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#endif
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/* bpf.c */
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@@ -1306,7 +1308,7 @@ void init_bpf(void);
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void send_via_bpf(struct dhcp_packet *mess, size_t len,
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struct in_addr iface_addr, struct ifreq *ifr);
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void route_init(void);
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-void route_sock(time_t now);
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+void route_sock(void);
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#endif
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/* bpf.c or netlink.c */
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--- a/src/netlink.c
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+++ b/src/netlink.c
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@@ -38,7 +38,7 @@
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static struct iovec iov;
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static u32 netlink_pid;
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-static int nl_async(struct nlmsghdr *h);
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+static void nl_async(struct nlmsghdr *h);
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void netlink_init(void)
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{
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@@ -142,7 +142,7 @@ int iface_enumerate(int family, void *pa
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struct nlmsghdr *h;
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ssize_t len;
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static unsigned int seq = 0;
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- int callback_ok = 1, newaddr = 0;
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+ int callback_ok = 1;
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struct {
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struct nlmsghdr nlh;
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@@ -191,21 +191,10 @@ int iface_enumerate(int family, void *pa
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if (h->nlmsg_seq != seq || h->nlmsg_pid != netlink_pid || h->nlmsg_type == NLMSG_ERROR)
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{
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/* May be multicast arriving async */
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- if (nl_async(h))
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- {
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- newaddr = 1;
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- enumerate_interfaces(1); /* reset */
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- }
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+ nl_async(h);
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}
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else if (h->nlmsg_type == NLMSG_DONE)
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- {
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- /* handle async new interface address arrivals, these have to be done
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- after we complete as we're not re-entrant */
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- if (newaddr)
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- newaddress(dnsmasq_time());
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-
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- return callback_ok;
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- }
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+ return callback_ok;
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else if (h->nlmsg_type == RTM_NEWADDR && family != AF_UNSPEC && family != AF_LOCAL)
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{
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struct ifaddrmsg *ifa = NLMSG_DATA(h);
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@@ -330,11 +319,11 @@ int iface_enumerate(int family, void *pa
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}
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}
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-void netlink_multicast(time_t now)
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+void netlink_multicast(void)
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{
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ssize_t len;
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struct nlmsghdr *h;
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- int flags, newaddr = 0;
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+ int flags;
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/* don't risk blocking reading netlink messages here. */
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if ((flags = fcntl(daemon->netlinkfd, F_GETFL)) == -1 ||
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@@ -343,24 +332,19 @@ void netlink_multicast(time_t now)
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if ((len = netlink_recv()) != -1)
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for (h = (struct nlmsghdr *)iov.iov_base; NLMSG_OK(h, (size_t)len); h = NLMSG_NEXT(h, len))
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- if (nl_async(h))
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- newaddr = 1;
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+ nl_async(h);
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/* restore non-blocking status */
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fcntl(daemon->netlinkfd, F_SETFL, flags);
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-
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- if (newaddr)
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- newaddress(now);
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}
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-static int nl_async(struct nlmsghdr *h)
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+static void nl_async(struct nlmsghdr *h)
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{
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if (h->nlmsg_type == NLMSG_ERROR)
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{
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struct nlmsgerr *err = NLMSG_DATA(h);
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if (err->error != 0)
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my_syslog(LOG_ERR, _("netlink returns error: %s"), strerror(-(err->error)));
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- return 0;
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}
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else if (h->nlmsg_pid == 0 && h->nlmsg_type == RTM_NEWROUTE)
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{
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@@ -385,18 +369,15 @@ static int nl_async(struct nlmsghdr *h)
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else if (daemon->rfd_save && daemon->rfd_save->refcount != 0)
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fd = daemon->rfd_save->fd;
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else
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- return 0;
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+ return;
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while(sendto(fd, daemon->packet, daemon->packet_len, 0,
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&daemon->srv_save->addr.sa, sa_len(&daemon->srv_save->addr)) == -1 && retry_send());
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}
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}
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- return 0;
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}
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else if (h->nlmsg_type == RTM_NEWADDR || h->nlmsg_type == RTM_DELADDR)
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- return 1; /* clever bind mode - rescan */
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-
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- return 0;
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+ send_newaddr();
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}
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#endif
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--- a/src/network.c
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+++ b/src/network.c
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@@ -551,7 +551,7 @@ static int iface_allowed_v4(struct in_ad
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int enumerate_interfaces(int reset)
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{
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static struct addrlist *spare = NULL;
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- static int done = 0, active = 0;
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+ static int done = 0;
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struct iface_param param;
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int errsave, ret = 1;
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struct addrlist *addr, *tmp;
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@@ -570,14 +570,11 @@ int enumerate_interfaces(int reset)
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return 1;
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}
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- if (done || active)
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+ if (done)
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return 1;
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done = 1;
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- /* protect against recusive calls from iface_enumerate(); */
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- active = 1;
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-
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if ((param.fd = socket(PF_INET, SOCK_DGRAM, 0)) == -1)
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return 0;
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@@ -677,10 +674,8 @@ int enumerate_interfaces(int reset)
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}
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errno = errsave;
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-
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spare = param.spare;
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- active = 0;
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-
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+
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return ret;
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}
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@ -1,47 +0,0 @@
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From 5782649ad95382dd558df97b33b64e854d8789fb Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Thu, 18 Sep 2014 22:08:58 +0100
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Subject: [PATCH] Fix bug which caused dnsmasq to become unresponsive when an
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interface goes.
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---
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diff --git a/src/util.c b/src/util.c
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index df751c7..a729f33 100644
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--- a/src/util.c
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+++ b/src/util.c
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@@ -570,18 +570,28 @@ void bump_maxfd(int fd, int *max)
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int retry_send(void)
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{
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- struct timespec waiter;
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+ /* Linux kernels can return EAGAIN in perpetuity when calling
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+ sendmsg() and the relevant interface has gone. Here we loop
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+ retrying in EAGAIN for 1 second max, to avoid this hanging
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+ dnsmasq. */
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+
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+ static int retries = 0;
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+ struct timespec waiter;
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+
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if (errno == EAGAIN || errno == EWOULDBLOCK)
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{
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waiter.tv_sec = 0;
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waiter.tv_nsec = 10000;
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nanosleep(&waiter, NULL);
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- return 1;
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+ if (retries++ < 1000)
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+ return 1;
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}
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+
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+ retries = 0;
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if (errno == EINTR)
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return 1;
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-
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+
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return 0;
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}
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--
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1.9.1
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