From 32c075e1f01849e161724bbd400ba77244e482cc Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Tue, 31 Jul 2007 13:33:18 +0000 Subject: . --- nptl/sysdeps/unix/sysv/linux/fork.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'nptl/sysdeps/unix/sysv/linux/fork.c') diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c index 840974401b..98bb237c06 100644 --- a/nptl/sysdeps/unix/sysv/linux/fork.c +++ b/nptl/sysdeps/unix/sysv/linux/fork.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -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 -- cgit 1.4.1