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Make signals match what OS X and the manpage say. Implement toggles for 

debug and packet trace logging.

Make this conditional on HAVE_SIGINFO. Presumably lack of SIGINFO as a
standard posix feature is why they went with different signals here in
the first place, but since we have it, let's use it.
This commit is contained in:
tsarna 2009-10-03 00:03:05 +00:00
parent 1f98cab201
commit 3c8b3fccbd
2 changed files with 22 additions and 2 deletions
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19
external/apache2/mDNSResponder/dist/mDNSPosix/PosixDaemon.c vendored
View File

@ -213,6 +213,10 @@ mDNSlocal mStatus MainLoop(mDNS *m) // Loop until we quit.
mDNSPosixListenForSignalInEventLoop(SIGINT);
mDNSPosixListenForSignalInEventLoop(SIGTERM);
mDNSPosixListenForSignalInEventLoop(SIGUSR1);
#ifdef HAVE_SIGINFO
mDNSPosixListenForSignalInEventLoop(SIGUSR2);
mDNSPosixListenForSignalInEventLoop(SIGINFO);
#endif
mDNSPosixListenForSignalInEventLoop(SIGPIPE);
mDNSPosixListenForSignalInEventLoop(SIGHUP) ;
@ -239,7 +243,22 @@ mDNSlocal mStatus MainLoop(mDNS *m) // Loop until we quit.
(void) mDNSPosixRunEventLoopOnce(m, &timeout, &signals, &gotData);
if (sigismember(&signals, SIGHUP )) Reconfigure(m);
#ifdef HAVE_SIGINFO
/* use OSX-compatible signals since we can, and gain enhanced debugging */
if (sigismember(&signals, SIGINFO)) DumpStateLog(m);
if (sigismember(&signals, SIGUSR1))
{
mDNS_LoggingEnabled = mDNS_LoggingEnabled ? 0 : 1;
LogMsg("SIGUSR1: Logging %s", mDNS_LoggingEnabled ? "Enabled" : "Disabled");
}
if (sigismember(&signals, SIGUSR2))
{
mDNS_PacketLoggingEnabled = mDNS_PacketLoggingEnabled ? 0 : 1;
LogMsg("SIGUSR2: Packet Logging %s", mDNS_PacketLoggingEnabled ? "Enabled" : "Disabled");
}
#else
if (sigismember(&signals, SIGUSR1)) DumpStateLog(m);
#endif
// SIGPIPE happens when we try to write to a dead client; death should be detected soon in request_callback() and cleaned up.
if (sigismember(&signals, SIGPIPE)) LogMsg("Received SIGPIPE - ignoring");
if (sigismember(&signals, SIGINT) || sigismember(&signals, SIGTERM)) break;

5
external/apache2/mDNSResponder/usr.sbin/mdnsd/Makefile vendored
View File

@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.3 2009/10/01 10:01:14 tron Exp $
# $NetBSD: Makefile,v 1.4 2009/10/03 00:03:05 tsarna Exp $
PROG= mdnsd
@ -6,7 +6,8 @@ PROG= mdnsd
.PATH: ${DIST}/mDNSPosix ${DIST}/mDNSCore ${DIST}/mDNSShared
CPPFLAGS+=-I${DIST}/mDNSCore -I${DIST}/mDNSShared -DPROGRAM_NAME=\"mdnsd\"
CPPFLAGS+=-I${DIST}/mDNSCore -I${DIST}/mDNSShared \
-DPROGRAM_NAME=\"mdnsd\" -DHAVE_SIGINFO
SRCS= PosixDaemon.c mDNSPosix.c mDNSUNP.c mDNS.c DNSDigest.c uDNS.c \
DNSCommon.c uds_daemon.c mDNSDebug.c dnssd_ipc.c GenLinkedList.c \
PlatformCommon.c