usa	2014-12-18 14:26:57 +0900 (Thu, 18 Dec 2014)

  New Revision: 48884

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=48884

  Log:
    * signal.c (ruby_signal): since SIGKILL is not supported by MSVCRT,
      should be treated before calling signal(2).
      [Bug #10615]

  Modified files:
    trunk/ChangeLog
    trunk/signal.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 48883)
+++ ChangeLog	(revision 48884)
@@ -1,3 +1,9 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Thu Dec 18 14:25:17 2014  NAKAMURA Usaku  <usa@r...>
+
+	* signal.c (ruby_signal): since SIGKILL is not supported by MSVCRT,
+	  should be treated before calling signal(2).
+	  [Bug #10615]
+
 Wed Dec 17 12:20:56 2014  Nobuyoshi Nakada  <nobu@r...>
 
 	* compile.c (rb_method_for_self_aref, rb_method_for_self_aset):
Index: signal.c
===================================================================
--- signal.c	(revision 48883)
+++ signal.c	(revision 48884)
@@ -634,6 +634,17 @@ posix_signal(int signum, sighandler_t ha https://github.com/ruby/ruby/blob/trunk/signal.c#L634
     return ruby_signal(signum, handler);
 }
 
+#elif defined _WIN32
+static inline sighandler_t
+ruby_signal(int signum, sighandler_t handler)
+{
+    if (signum == SIGKILL) {
+	errno = EINVAL;
+	return SIG_ERR;
+    }
+    return signal(signum, handler);
+}
+
 #else /* !POSIX_SIGNAL */
 #define ruby_signal(sig,handler) (/* rb_trap_accept_nativethreads[(sig)] = 0,*/ signal((sig),(handler)))
 #if 0 /* def HAVE_NATIVETHREAD */

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