* process.c: removed signal() macro. It's no longer used.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32515 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Mon Jul 11 15:54:24 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* process.c: removed signal() macro. It's no longer used.
+
 Mon Jul 11 15:02:24 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* numeric.c (rb_num2ull): use FIX2LONG instead of FIX2ULONG. see

process.c

@@ -980,10 +980,6 @@ static int forked_child = 0;
 static RETSIGTYPE (*saved_sigpipe_handler)(int) = 0;
 #endif
 
-#if defined(POSIX_SIGNAL)
-# define signal(a,b) posix_signal((a),(b))
-#endif
-
 #ifdef SIGPIPE
 static RETSIGTYPE sig_do_nothing(int sig)
 {