--- a/src/JackHandler.h	Tue Oct 06 01:31:22 2020 +0200
+++ b/src/JackHandler.h	Tue Oct 06 16:24:57 2020 +0200
@@ -21,12 +21,8 @@
 #include <string>
 #include <cstring>
 #include <vector>
-#include <iostream>
-#include <sstream>
-#include <locale>
 #include <codecvt>
 #include <sys/mman.h>
-#include <signal.h>
 #include <unistd.h>
 #include <pthread.h>
 
@@ -187,7 +183,7 @@
 public:
 
 	JackHandler(Configuration& configuration) : configuration(configuration) {
-		pthread_mutex_unlock(&realTimeContext.processingLock);
+		pthread_mutex_lock(&realTimeContext.processingLock);
 
 		// Initialize JACK connection:
 		std::string clientName = convertor.to_bytes(configuration.jackClientName);

--- a/src/relpipe-out-jack.cpp	Tue Oct 06 01:31:22 2020 +0200
+++ b/src/relpipe-out-jack.cpp	Tue Oct 06 16:24:57 2020 +0200
@@ -17,6 +17,7 @@
 
 #include <cstdlib>
 #include <memory>
+#include <signal.h>
 
 #include <relpipe/cli/CLI.h>
 #include <relpipe/cli/RelpipeCLIException.h>