Merge tag 'upstream/libpthread/20090404' into upstream-merged

1 files changed, 38 insertions, 0 deletions

diff --git a/libpthread/sysdeps/mach/bits/spin-lock.h b/libpthread/sysdeps/mach/bits/spin-lock.h
new file mode 100644
index 00000000..537dac9d
--- /dev/null
+++ b/libpthread/sysdeps/mach/bits/spin-lock.h
@@ -0,0 +1,38 @@
+/* Definitions of user-visible names for spin locks.
+   Copyright (C) 1994, 1997, 2002, 2008, 2009 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 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.  */
+
+#ifndef _BITS_SPIN_LOCK_H
+#define _BITS_SPIN_LOCK_H	1
+
+#include <features.h>
+#include <machine-lock.h>	/* This does all the work.  */
+
+__BEGIN_DECLS
+
+/* The type of a spin lock object.  */
+typedef __spin_lock_t __pthread_spinlock_t;
+
+/* Initializer for a spin lock object.  */
+#ifndef __PTHREAD_SPIN_LOCK_INITIALIZER
+#error __PTHREAD_SPIN_LOCK_INITIALIZER undefined: should be defined by <lock-intern.h>.
+#endif
+
+__END_DECLS
+
+#endif /* bits/spin-lock.h */