uclibc: fix the new libpthread implementation on arm

SVN-Revision: 14074

toolchain/uClibc/patches/220-libpthread_arm.patch

+--- /dev/null
++++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/arm/sysdep-cancel.h
+@@ -0,0 +1,24 @@
++/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Guido Guenther <agx@sigxcpu.org>, 2003.
++
++   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.  */
++
++#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
++
++# define SINGLE_THREAD_P (1)
++
++#endif