From dfdd294a2ac05a80908483846feb5343d4aac714 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 13 Feb 2003 07:14:38 +0000
Subject: Update.

	* Makefile: Add rules to build and run tst-atfork2 test.
	* tst-atfork2.c: New file.
	* tst-atfork2mod.c: New file.

	* sysdeps/unix/sysv/linux/unregister-atfork.c
	(__unregister_atfork): Free the memory allocated for the handlers
	after removing them from the lists.

	* sysdeps/unix/sysv/linux/register-atfork.c: Define memeory
	cleanup function.

	* tst-atfork1.c (do_test): Wait for the child we forked.
	Report error in child.

	* sysdeps/unix/sysv/linux/fork.c (__libc_fork): Fix comment.
---
 nptl/sysdeps/unix/sysv/linux/fork.c              |  4 +--
 nptl/sysdeps/unix/sysv/linux/register-atfork.c   | 36 +++++++++++++++++++++++-
 nptl/sysdeps/unix/sysv/linux/unregister-atfork.c | 20 ++++++++++---
 3 files changed, 53 insertions(+), 7 deletions(-)

(limited to 'nptl/sysdeps/unix/sysv')

diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c
index b643f89dfc..eba28064ea 100644
--- a/nptl/sysdeps/unix/sysv/linux/fork.c
+++ b/nptl/sysdeps/unix/sysv/linux/fork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -83,7 +83,7 @@ __libc_fork (void)
       /* Reset the file list.  These are recursive mutexes.  */
       fresetlockfiles ();
 
-      /* We execute this even if the 'fork' call failed.  */
+      /* Reset locks in the I/O code.  */
       _IO_list_resetlock ();
 
       /* Run the handlers registered for the child.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/register-atfork.c b/nptl/sysdeps/unix/sysv/linux/register-atfork.c
index af567a0b18..7047d6a72a 100644
--- a/nptl/sysdeps/unix/sysv/linux/register-atfork.c
+++ b/nptl/sysdeps/unix/sysv/linux/register-atfork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -86,3 +86,37 @@ __register_atfork (prepare, parent, child, dso_handle)
   return 0;
 }
 libc_hidden_def (__register_atfork)
+
+
+libc_freeres_fn (free_mem)
+{
+  /* Get the lock to not conflict with running forks.  */
+  lll_lock (__fork_lock);
+
+  list_t *runp;
+  list_t *prevp;
+
+  list_for_each_prev_safe (runp, prevp, &__fork_prepare_list)
+    {
+      list_del (runp);
+
+      free (list_entry (runp, struct fork_handler, list));
+    }
+
+  list_for_each_prev_safe (runp, prevp, &__fork_parent_list)
+    {
+      list_del (runp);
+
+      free (list_entry (runp, struct fork_handler, list));
+    }
+
+  list_for_each_prev_safe (runp, prevp, &__fork_child_list)
+    {
+      list_del (runp);
+
+      free (list_entry (runp, struct fork_handler, list));
+    }
+
+  /* Release the lock.  */
+  lll_unlock (__fork_lock);
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/unregister-atfork.c b/nptl/sysdeps/unix/sysv/linux/unregister-atfork.c
index 470f80d05c..7b3a785923 100644
--- a/nptl/sysdeps/unix/sysv/linux/unregister-atfork.c
+++ b/nptl/sysdeps/unix/sysv/linux/unregister-atfork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -34,15 +34,27 @@ __unregister_atfork (dso_handle)
 
   list_for_each_prev_safe (runp, prevp, &__fork_prepare_list)
     if (list_entry (runp, struct fork_handler, list)->dso_handle == dso_handle)
-      list_del (runp);
+      {
+	list_del (runp);
+
+	free (list_entry (runp, struct fork_handler, list));
+      }
 
   list_for_each_prev_safe (runp, prevp, &__fork_parent_list)
     if (list_entry (runp, struct fork_handler, list)->dso_handle == dso_handle)
-      list_del (runp);
+      {
+	list_del (runp);
+
+	free (list_entry (runp, struct fork_handler, list));
+      }
 
   list_for_each_prev_safe (runp, prevp, &__fork_child_list)
     if (list_entry (runp, struct fork_handler, list)->dso_handle == dso_handle)
-      list_del (runp);
+      {
+	list_del (runp);
+
+	free (list_entry (runp, struct fork_handler, list));
+      }
 
   /* Release the lock.  */
   lll_unlock (__fork_lock);
-- 
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