commit ba720fcbaeaacee700d7d23936cf481e6fcb83b1
from: Florian Westphal <fw@strlen.de>
date: Tue Sep 14 21:53:59 2010 UTC

Fix signalpipe file descriptor leak on RESTART

Signals_Init() must only be called once.
This does not affect any ngircd release version.

Earlier version of this patch moved the io and sighandler
initialization before the while() loop, but as Alexander
Barton noticed that broke all systems without builtin select
support in io.c...

commit - b3cfbc3d28de9098be7cffc22ea9c5b98c36443f
commit + ba720fcbaeaacee700d7d23936cf481e6fcb83b1
blob - aaff1eabfa2099488ffca7f648fe2eec50a60d33
blob + 80eef3e603d3a382f2e31bf8511ce4433c24c218
--- src/ngircd/sighandlers.c
+++ src/ngircd/sighandlers.c
@@ -266,6 +266,8 @@ Signals_Init(void)
 #ifdef HAVE_SIGACTION
 	struct sigaction saction;
 #endif
+	if (signalpipe[0] > 0 || signalpipe[1] > 0)
+		return true;
 
 	if (pipe(signalpipe))
 		return false;