From 2e2e95ac36b7b9cfa0ae886aced43c9b4b9dba91 Mon Sep 17 00:00:00 2001
From: Ethan Marshall <ethan@ethanjmarshall.co.uk>
Date: Wed, 10 Aug 2022 23:26:03 +0100
Subject: Explicitly zero signal mask

---
 dwmblocks.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dwmblocks.c b/dwmblocks.c
index c2e1477..0186eff 100644
--- a/dwmblocks.c
+++ b/dwmblocks.c
@@ -188,8 +188,9 @@ void setroot()
 	for (unsigned int i = SIGRTMIN; i <= SIGRTMAX; i++) {
 		sigaddset(&new, i);
 	}
+	sigemptyset(&old);
 
-	if (sigprocmask(SIG_SETMASK, &new, &old) < 0) {
+	if (sigprocmask(SIG_SETMASK, &new, NULL) < 0) {
 		perror("sigset");
 		exit(1);
 	}
-- 
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