Fix unregistering atfork handlers on library unload

* sysdeps/generic/old_pt-atfork.c: New file.
* Makefile (libpthread-routines): Add old_pt-atfork.
(libpthread-static-only-routines): Add pt-atfork.
[build-shared=yes] (install): Explicit $(inst_libdir)/libpthread.so
[build-shared=yes] $(inst_libdir)/libpthread.so: Replace with script to
link libpthread_nonshared.a in.
[build-shared=yes] (tests): Link libpthread_nonshared.a in addition to
libpthread.so.
(generated): Add libpthread_nonshared.a.

1 files changed, 27 insertions, 0 deletions

diff --git a/sysdeps/generic/old_pt-atfork.c b/sysdeps/generic/old_pt-atfork.c
new file mode 100644
index 0000000..5366eaa
--- /dev/null
+++ b/sysdeps/generic/old_pt-atfork.c
@@ -0,0 +1,27 @@
+/* Register fork handlers.  Generic version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libpthread, GLIBC_2_12, GLIBC_2_23)
+# define pthread_atfork __dyn_pthread_atfork
+# include "pt-atfork.c"
+# undef pthread_atfork
+compat_symbol (libpthread, __dyn_pthread_atfork, pthread_atfork, GLIBC_2_12);
+#endif