From cedeffca263fffd28ae277837ae4b1ab87a8dcf1 Mon Sep 17 00:00:00 2001
From: Nedko Arnaudov <nedko@nedk.org>
Date: Sun, 5 Nov 2023 12:27:49 +0200
Subject: [PATCH] common/JackControlAPI.cpp: -1 is the invalid value for file
 descriptor, not 0.

Kudos to @imaami
---
 common/JackControlAPI.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/JackControlAPI.cpp b/common/JackControlAPI.cpp
index 2a68245e6..e4658243d 100644
--- a/common/JackControlAPI.cpp
+++ b/common/JackControlAPI.cpp
@@ -590,7 +590,7 @@ SERVER_EXPORT void jackctl_finish_signals(jackctl_sigmask_t * signals)
 {
 #ifdef __linux__
     for(int i = 0; i < JackFDCount; i++) {
-        if(g_signals.pfd[i].fd != 0) {
+        if(g_signals.pfd[i].fd != -1) {
             close(g_signals.pfd[i].fd);
         }
     }
@@ -723,7 +723,7 @@ jackctl_setup_signals(
         }
     }
 
-    memset(g_signals.pfd, 0, sizeof(g_signals.pfd));
+    memset(g_signals.pfd, -1, sizeof(g_signals.pfd));
 
     /* Block the signals in order for signalfd to receive them */
     sigprocmask(SIG_BLOCK, &g_signals.signals, NULL);