merge revision(s) 49428: [Backport #10694]

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


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49522 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 1 deletions

diff --git a/thread.c b/thread.c
index 5d8ac7eb04..35da97cde2 100644
--- a/thread.c
+++ b/thread.c
@@ -959,10 +959,14 @@ 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