nicer error, random() improved.

git-svn-id: file:///svn/unbound/trunk@707 be551aaa-1e26-0410-a405-d3ace91eadb9

daemon/daemon.c

@@ -68,6 +68,8 @@ static int sig_record_reload = 0;
 static RETSIGTYPE record_sigh(int sig)
 {
 #ifdef LIBEVENT_SIGNAL_PROBLEM
+	verbose(VERB_OPS, "quit on signal, no cleanup and statistics, "
+		"because installed libevent version is not threadsafe");
 	exit(0);
 #endif 
 	switch(sig)

doc/Changelog

@@ -11,6 +11,7 @@
 	- ldns-src configure is done during unbound configure and
 	  ldns-src make is done during unbound make, and so inherits the
 	  make arguments from the unbound make invocation.
+	- nicer error when libevent problem causes instant exit on signal.
 	  
 18 October 2007: Wouter
 	- addresses are logged with errors.

services/outside_network.c

@@ -603,7 +603,6 @@ new_pending(struct outside_network* outnet, ldns_buffer* packet,
 		return NULL;
 	}
 	/* set */
-	/* id uses lousy random() TODO use better and entropy */
 	pend->id = ((unsigned)ub_random(rnd)>>8) & 0xffff;
 	LDNS_ID_SET(ldns_buffer_begin(packet), pend->id);
 	memcpy(&pend->addr, addr, addrlen);
@@ -655,7 +654,6 @@ select_port(struct outside_network* outnet, struct pending* pend,
 	}
 
 	/* choose a random outgoing port and interface */
-	/* TODO: entropy source. */
 	precho = (double)ub_random(rnd) * (double)nummax / 
 		((double)RAND_MAX + 1.0);
 	chosen = (int)precho;
@@ -765,7 +763,6 @@ pending_tcp_query(struct outside_network* outnet, ldns_buffer* packet,
 	}
 	w->pkt = NULL;
 	w->pkt_len = 0;
-	/* id uses lousy random() TODO use better and entropy */
 	id = ((unsigned)ub_random(rnd)>>8) & 0xffff;
 	LDNS_ID_SET(ldns_buffer_begin(packet), id);
 	memcpy(&w->addr, addr, addrlen);