3 files changed, 12 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index ad5f99c9cc..cc7c3e32fa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Fri Jun 27 17:54:09 2014  Rei Odaira  <Rei.Odaira@gmail.com>
+
+	* signal.c (ruby_signal): should return either `old.sa_sigaction`
+	  or `old.sa_handler`, depending on whether `SA_SIGINFO` is set in
+	  `old.sa_flags`, because they may not be a union.
+	  [ruby-core:62836] [Bug #9878]
+
 Fri Jun 27 17:37:12 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vsnprintf.c (BSD_vfprintf): fix string width when precision is
diff --git a/signal.c b/signal.c
index bd9420081c..dc3f8abd21 100644
--- a/signal.c
+++ b/signal.c
@@ -521,7 +521,10 @@ ruby_signal(int signum, sighandler_t handler)
 	    rb_bug_errno("sigaction", errno);
 	}
     }
-    return old.sa_handler;
+    if (old.sa_flags & SA_SIGINFO)
+	return (sighandler_t)old.sa_sigaction;
+    else
+	return old.sa_handler;
 }
 
 sighandler_t
diff --git a/version.h b/version.h
index d969b05f0b..e2968f25c2 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.0.0"
 #define RUBY_RELEASE_DATE "2014-06-27"
-#define RUBY_PATCHLEVEL 507
+#define RUBY_PATCHLEVEL 508
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 6