From: Hallvard Furuseth <hallvard@openldap.org>
Date: Thu, 26 Mar 2009 22:11:06 +0000 (+0000)
Subject: ITS#6037: save/restore errno in signal handlers
X-Git-Tag: ACLCHECK_0~655
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=1e470657b248003ee58a8dbed8379ddd9d3520af;p=openldap

ITS#6037: save/restore errno in signal handlers
---

diff --git a/servers/slapd/daemon.c b/servers/slapd/daemon.c
index f9606c928e..a7a0bb2179 100644
--- a/servers/slapd/daemon.c
+++ b/servers/slapd/daemon.c
@@ -2759,6 +2759,8 @@ sockdestroy( void )
 RETSIGTYPE
 slap_sig_shutdown( int sig )
 {
+	int save_errno = errno;
+
 #if 0
 	Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
 #endif
@@ -2787,15 +2789,21 @@ slap_sig_shutdown( int sig )
 
 	/* reinstall self */
 	(void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
+
+	errno = save_errno;
 }
 
 RETSIGTYPE
 slap_sig_wake( int sig )
 {
+	int save_errno = errno;
+
 	WAKE_LISTENER(1);
 
 	/* reinstall self */
 	(void) SIGNAL_REINSTALL( sig, slap_sig_wake );
+
+	errno = save_errno;
 }