From: Roy Marples <roy@marples.name>
Date: Wed, 13 May 2015 01:12:47 +0000 (+0000)
Subject: Ensure oldset is empty before sigprocmask call ... unsure why this is needed.
X-Git-Tag: v6.9.0~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=785b477d69db193e7ff399fb09ff3a525160034e;p=thirdparty%2Fdhcpcd.git

Ensure oldset is empty before sigprocmask call ... unsure why this is needed.
---

diff --git a/eloop.c b/eloop.c
index 091f3b8a..ed608f06 100644
--- a/eloop.c
+++ b/eloop.c
@@ -576,6 +576,8 @@ eloop_signal_mask(struct eloop *eloop, sigset_t *oldset)
 	assert(eloop != NULL);
 
 	sigfillset(&newset);
+	if (oldset)
+		sigemptyset(oldset);
 	if (sigprocmask(SIG_SETMASK, &newset, oldset) == -1)
 		return -1;