kosaki	2010-12-25 14:31:04 +0900 (Sat, 25 Dec 2010)

  New Revision: 30350

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=30350

  Log:
    * ext/pty/pty.c (chfunc): Added rb_thread_atfork_before_exec().
          We must reinitialize GVL when new process creation. Otherwise
          we may meet an insane deadlock. [Bug #4121][ruby-dev:42686]

  Modified files:
    trunk/ChangeLog
    trunk/ext/pty/pty.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 30349)
+++ ChangeLog	(revision 30350)
@@ -1,3 +1,9 @@
+Sat Dec 25 15:08:08 2010  KOSAKI Motohiro  <kosaki.motohiro@g...>
+
+	* ext/pty/pty.c (chfunc): Added rb_thread_atfork_before_exec().
+	  We must reinitialize GVL at new process creation. Otherwise
+	  we may meet an insane deadlock. [Bug#4121][ruby-dev:42686]
+
 Sat Dec 25 14:27:09 2010  Nobuyoshi Nakada  <nobu@r...>
 
 	* io.c (rb_io_extract_encoding_option): accept Encoding object as
Index: ext/pty/pty.c
===================================================================
--- ext/pty/pty.c	(revision 30349)
+++ ext/pty/pty.c	(revision 30350)
@@ -156,6 +156,8 @@
 	return -1; \
     } while (0)
 
+    rb_thread_atfork_before_exec();
+
     /*
      * Set free from process group and controlling terminal
      */

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