From aa6e2e9e4cfc0dc21d5362cbd9b687fab2883dc1 Mon Sep 17 00:00:00 2001
From: venaas <venaas>
Date: Wed, 16 Apr 2008 08:38:31 +0000
Subject: added new signal handling to 1.0

git-svn-id: https://svn.testnett.uninett.no/radsecproxy/branches/release-1.0@234 e88ac4ed-0b26-0410-9574-a7f39faa03bf
---
 radsecproxy.c | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/radsecproxy.c b/radsecproxy.c
index b3c892e..77d4895 100644
--- a/radsecproxy.c
+++ b/radsecproxy.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006, 2007 Stig Venaas <venaas@uninett.no>
+ * Copyright (C) 2006-2008 Stig Venaas <venaas@uninett.no>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -29,6 +29,7 @@
  *          1 + (2 + 2 * 3) + (2 * 30) + (2 * 30) = 129 threads
 */
 
+#include <signal.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <netdb.h>
@@ -2378,8 +2379,31 @@ void getargs(int argc, char **argv, uint8_t *foreground, uint8_t *loglevel, char
     exit(1);
 }
 
+void *sighandler(void *arg) {
+    sigset_t sigset;
+    int sig;
+
+    for(;;) {
+	sigemptyset(&sigset);
+	sigaddset(&sigset, SIGPIPE);
+	sigwait(&sigset, &sig);
+	/* only get SIGPIPE right now, so could simplify below code */
+	switch (sig) {
+	case 0:
+	    /* completely ignoring this */
+	    break;
+	case SIGPIPE:
+	    debug(DBG_WARN, "sighandler: got SIGPIPE, TLS write error?");
+	    break;
+	default:
+	    debug(DBG_WARN, "sighandler: ignoring signal %d", sig);
+	}
+    }
+}
+
 int main(int argc, char **argv) {
-    pthread_t udpserverth;
+    pthread_t sigth, udpserverth;
+    sigset_t sigset;
     int i;
     uint8_t foreground = 0, loglevel = 0;
     char *configfile = NULL;
@@ -2414,6 +2438,12 @@ int main(int argc, char **argv) {
 	
     debug(DBG_INFO, "radsecproxy 1.0p1 starting");
 
+    sigemptyset(&sigset);
+    /* exit on all but SIGPIPE, ignore more? */
+    sigaddset(&sigset, SIGPIPE);
+    pthread_sigmask(SIG_BLOCK, &sigset, NULL);
+    pthread_create(&sigth, NULL, sighandler, NULL);
+
     if (client_udp_count) {
 	udp_server_listen = server_create('U');
 	if (pthread_create(&udpserverth, NULL, udpserverrd, NULL))
-- 
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