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Diffstat (limited to 'nptl/pthread_atfork.c')
-rw-r--r--nptl/pthread_atfork.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/nptl/pthread_atfork.c b/nptl/pthread_atfork.c
new file mode 100644
index 0000000000..00a52fd4cd
--- /dev/null
+++ b/nptl/pthread_atfork.c
@@ -0,0 +1,46 @@
+/* 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.
+
+ 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