fixup-nosigaction

Author: illwieckz

src/engine/framework/System.cpp

@@ -392,20 +392,6 @@ static void CloseSingletonSocket()
 #endif
 }
 
-#if defined(DAEMON_USE_FLOAT_EXCEPTIONS_AVAILABLE) && defined(__APPLE__)
-static void FloatingPointExceptionSignalHandler(int /* sig */, siginfo_t *sip, void* /* scp */)
-{
-#if defined(DAEMON_ARCH_arm64)
-	if (sip->si_code == ILL_ILLTRP)
-	{
-		Sys::Error( "Illegal trap" );
-	}
-#endif
-
-	Sys::Error( "Floating point exception" );
-}
-#endif
-
 static void SetFloatingPointExceptions()
 {
 #if defined(DAEMON_USE_FLOAT_EXCEPTIONS_AVAILABLE)
@@ -511,16 +497,8 @@ static void SetFloatingPointExceptions()
 
 		fesetenv( &env );
 
-		struct sigaction act;
-		act.sa_sigaction = FloatingPointExceptionSignalHandler;
-		sigemptyset( &act.sa_mask );
-		act.sa_flags = SA_SIGINFO;
-
-		#if defined(DAEMON_ARCH_amd64)
-			sigaction(SIGFPE, &act, NULL);
-		#elif defined(DAEMON_ARCH_arm64)
-			sigaction(SIGILL, &act, NULL);
-		#endif
+		/* The signal is on SIGFPE on amd64 and on SIGILL on arm64.
+		We already have some sigaction() in src/common/System.cpp. */
 	#endif
 
 	// Superfluous on some systems, but always safe to do.