akr	2008-04-26 20:25:40 +0900 (Sat, 26 Apr 2008)

  New Revision: 16208

  Modified files:
    trunk/lib/open3.rb

  Log:
    describe :pid thread variable.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/lib/open3.rb?r1=16208&r2=16207&diff_format=u

Index: lib/open3.rb
===================================================================
--- lib/open3.rb	(revision 16207)
+++ lib/open3.rb	(revision 16208)
@@ -64,10 +64,13 @@
   # 
   # Open stdin, stdout, and stderr streams and start external executable.
   # In addition, a thread for waiting the started process is noticed.
+  # The thread has a thread variable :pid which is the pid of the started
+  # process.
   #
   # Non-block form:
   #   
   #   stdin, stdout, stderr, wait_thr = Open3.popen3w(cmd)
+  #   pid = wait_thr[:pid]  # pid of the started process.
   #   ...
   #   stdin.close  # stdin, stdout and stderr should be closed in this form.
   #   stdout.close

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