2007-02-25  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/fork.c (__libc_fork): Reset refcntr in
	new thread, don't just decrement it.
	Patch by Suzuki K P <suzuki@in.ibm.com>.

--- libc/nptl/sysdeps/unix/sysv/linux/fork.c	20 Dec 2003 23:37:13 -0000	1.11
+++ libc/nptl/sysdeps/unix/sysv/linux/fork.c	25 Feb 2007 21:43:28 -0000	1.12
@@ -167,8 +167,11 @@ __libc_fork (void)
 	    allp->handler->child_handler ();
 
 	  /* Note that we do not have to wake any possible waiter.
-	     This is the only thread in the new process.  */
-	  --allp->handler->refcntr;
+ 	     This is the only thread in the new process.  The count
+ 	     may have been bumped up by other threads doing a fork.
+ 	     We reset it to 1, to avoid waiting for non-existing
+ 	     thread(s) to release the count.  */
+	  allp->handler->refcntr = 1;
 
 	  /* XXX We could at this point look through the object pool
 	     and mark all objects not on the __fork_handlers list as