* io.c (pipe_open): Added rb_thread_atfork(). We must reinitialize

GVL at new process creation.




git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Dec 25 20:01:40 2010  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* io.c (pipe_open): Added rb_thread_atfork(). We must reinitialize
+	  GVL at new process creation.
+
 Sat Dec 25 18:26:55 2010  Tanaka Akira  <akr@fsij.org>
 
 	* ext/socket/option.c (inspect_ipv6_mreq): new function to inspect

io.c

@@ -5072,6 +5072,7 @@ pipe_open(struct rb_exec_arg *eargp, VALUE prog, const char *modestr, int fmode,
 	fflush(stdin);		/* is it really needed? */
 	pid = rb_fork(&status, 0, 0, Qnil);
 	if (pid == 0) {		/* child */
+	    rb_thread_atfork();
 	    popen_redirect(&arg);
 	    rb_io_synchronized(RFILE(orig_stdout)->fptr);
 	    rb_io_synchronized(RFILE(orig_stderr)->fptr);