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+Mon Jul  4 13:56:34 2016  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* process.c: define sig_t if not exist.
+	  at least Solaris 10 and 11 doesn't have sig_t.
+
 Mon Jul  4 13:08:48 2016  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* random.c (random_ulong_limited): avoid left shift count >= width of