Add unregistering atfork handlers on dlclose

* sysdeps/generic/fork.h: New file.
* forward.c: Include <fork.h>.
(__unregister_atfork): New function.

1 files changed, 29 insertions, 0 deletions

diff --git a/sysdeps/generic/fork.h b/sysdeps/generic/fork.h
new file mode 100644
index 0000000..c6ac15e
--- /dev/null
+++ b/sysdeps/generic/fork.h
@@ -0,0 +1,29 @@
+/* Copyright (C) 2002-2015 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Function to call to unregister fork handlers.  */
+extern void __unregister_atfork (void *dso_handle) attribute_hidden;
+#define UNREGISTER_ATFORK(dso_handle) __unregister_atfork (dso_handle)
+
+
+/* C library side function to register new fork handlers.  */
+extern int __register_atfork (void (*__prepare) (void),
+			      void (*__parent) (void),
+			      void (*__child) (void),
+			      void *dso_handle);
+libc_hidden_proto (__register_atfork)