merge revision(s) r49428: [Backport ruby#10694]

	* thread.c: Improve documentation for Thread#value
	  [Bug ruby#10694][ruby-core:67324][ci skip]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@49912 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nagachika

ChangeLog

@@ -1,3 +1,8 @@
+Tue Mar 10 02:40:11 2015  SHIBATA Hiroshi  <[email protected]>
+
+	* thread.c: Improve documentation for Thread#value
+	  [Bug #10694][ruby-core:67324][ci skip]
+
 Tue Mar 10 02:37:55 2015  SHIBATA Hiroshi  <[email protected]>
 
 	* string.c: [DOC] Add missing documentation around String#chomp.

thread.c

@@ -916,10 +916,14 @@ thread_join_m(int argc, VALUE *argv, VALUE self)
  *  call-seq:
  *     thr.value   -> obj
  *
- *  Waits for +thr+ to complete, using #join, and returns its value.
+ *  Waits for +thr+ to complete, using #join, and returns its value or raises
+ *  the exception which terminated the thread.
  *
  *     a = Thread.new { 2 + 2 }
  *     a.value   #=> 4
+ *
+ *     b = Thread.new { raise 'something went wrong' }
+ *     b.value   #=> RuntimeError: something went wrong
  */
 
 static VALUE

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.1.5"
 #define RUBY_RELEASE_DATE "2015-03-10"
-#define RUBY_PATCHLEVEL 311
+#define RUBY_PATCHLEVEL 312
 
 #define RUBY_RELEASE_YEAR 2015
 #define RUBY_RELEASE_MONTH 3