3 files changed, 10 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 15b5867d7d..a4ea87e0dc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed May 15 00:21:31 2013  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* signal.c: need to include unistd.h for write(2).
+
 Tue May 14 20:25:58 2013  CHIKANAGA Tomoyuki  <nagachika@ruby-lang.org>
 
 	* ext/dl/lib/dl/func.rb (DL::Function#call): check tainted when
diff --git a/signal.c b/signal.c
index de0413049a..cda61d3d80 100644
--- a/signal.c
+++ b/signal.c
@@ -17,6 +17,9 @@
 #include <stdio.h>
 #include <errno.h>
 #include "ruby_atomic.h"
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
 
 #if !defined(_WIN32) && !defined(HAVE_GCC_ATOMIC_BUILTINS)
 rb_atomic_t
diff --git a/version.h b/version.h
index cedab99dc7..2ed0a8abf1 100644
--- a/version.h
+++ b/version.h
@@ -1,10 +1,10 @@
 #define RUBY_VERSION "1.9.3"
-#define RUBY_PATCHLEVEL 426
+#define RUBY_PATCHLEVEL 427
 
-#define RUBY_RELEASE_DATE "2013-05-14"
+#define RUBY_RELEASE_DATE "2013-05-15"
 #define RUBY_RELEASE_YEAR 2013
 #define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 14
+#define RUBY_RELEASE_DAY 15
 
 #include "ruby/version.h"