Import in NPTL code from glibc. For further information please

consult the 'README.NPTL' file.

1 files changed, 63 insertions, 0 deletions

diff --git a/libpthread/nptl/pthread_atfork.c b/libpthread/nptl/pthread_atfork.c
new file mode 100644
index 000000000..6437d6490
--- /dev/null
+++ b/libpthread/nptl/pthread_atfork.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2002 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.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "pthreadP.h"
+#include <fork.h>
+
+/* This is defined by newer gcc version unique for each module.  */
+extern void *__dso_handle __attribute__ ((__weak__));
+
+
+/* Hide the symbol so that no definition but the one locally in the
+   executable or DSO is used.  */
+int
+#ifndef __pthread_atfork
+/* Don't mark the compatibility function as hidden.  */
+attribute_hidden
+#endif
+__pthread_atfork (prepare, parent, child)
+     void (*prepare) (void);
+     void (*parent) (void);
+     void (*child) (void);
+{
+  return __register_atfork (prepare, parent, child,
+			    &__dso_handle == NULL ? NULL : __dso_handle);
+}
+#ifndef __pthread_atfork
+extern int pthread_atfork (void (*prepare) (void), void (*parent) (void),
+			   void (*child) (void)) attribute_hidden;
+strong_alias (__pthread_atfork, pthread_atfork)
+#endif