system/SetupProcess: add noexcept

Author: MaxKellermann

src/system/SetupProcess.cxx

@@ -8,7 +8,7 @@
 #include <pthread.h>
 
 void
-SetupProcess()
+SetupProcess() noexcept
 {
     signal(SIGPIPE, SIG_IGN);
 

src/system/SetupProcess.hxx

@@ -2,8 +2,7 @@
 // Copyright CM4all GmbH
 // author: Max Kellermann <[email protected]>
 
-#ifndef BENG_PROXY_SETUP_PROCESS_HXX
-#define BENG_PROXY_SETUP_PROCESS_HXX
+#pragma once
 
 /**
  * Set up the current process by applying some common settings.
@@ -12,6 +11,4 @@
  * - disable pthread cancellation
  */
 void
-SetupProcess();
-
-#endif
+SetupProcess() noexcept;