From 1e60e85ac54190e48b6bc24be773784511f0293c Mon Sep 17 00:00:00 2001
From: ssrlive <30760636+ssrlive@users.noreply.github.com>
Date: Mon, 20 Jul 2020 11:40:57 +0200
Subject: [PATCH] unix: squelch harmless valgrind warning

PR-URL: https://github.com/libuv/libuv/pull/2895
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
---
 src/unix/signal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/unix/signal.c b/src/unix/signal.c
index 1c83e095..f40a3e54 100644
--- a/src/unix/signal.c
+++ b/src/unix/signal.c
@@ -143,6 +143,8 @@ static void uv__signal_block_and_lock(sigset_t* saved_sigmask) {
   if (sigfillset(&new_mask))
     abort();
 
+  /* to shut up valgrind */
+  sigemptyset(saved_sigmask);
   if (pthread_sigmask(SIG_SETMASK, &new_mask, saved_sigmask))
     abort();