From a7416b7c63f4954ff78eecf31e5146cb86cda6a6 Mon Sep 17 00:00:00 2001 From: "Neal H. Walfield" Date: Wed, 17 Dec 2008 15:22:19 +0100 Subject: Add generic spin-lock.h file. 2008-12-17 Neal H. Walfield * sysdeps/generic/bits/spin-lock.h: New file. --- libpthread/ChangeLog | 4 +++ libpthread/sysdeps/generic/bits/spin-lock.h | 39 +++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 libpthread/sysdeps/generic/bits/spin-lock.h (limited to 'libpthread') diff --git a/libpthread/ChangeLog b/libpthread/ChangeLog index ac4abc6..ed6a689 100644 --- a/libpthread/ChangeLog +++ b/libpthread/ChangeLog @@ -1,3 +1,7 @@ +2008-12-17 Neal H. Walfield + + * sysdeps/generic/bits/spin-lock.h: New file. + 2008-12-17 Neal H. Walfield * sysdeps/generic/bits/memory.h: New file. diff --git a/libpthread/sysdeps/generic/bits/spin-lock.h b/libpthread/sysdeps/generic/bits/spin-lock.h new file mode 100644 index 0000000..c2ba332 --- /dev/null +++ b/libpthread/sysdeps/generic/bits/spin-lock.h @@ -0,0 +1,39 @@ +/* Machine-specific definitions for spin locks. Generic version. + Copyright (C) 2000, 2005, 2008 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. */ + +/* + * Never include this file directly; use or instead. + */ + +#ifndef _BITS_SPIN_LOCK_H +#define _BITS_SPIN_LOCK_H 1 + +#include + +__BEGIN_DECLS + +/* The type of a spin lock object. */ +typedef __volatile int __pthread_spinlock_t; + +/* Initializer for a spin lock object. */ +# define __SPIN_LOCK_INITIALIZER ((__pthread_spinlock_t) 0) + +__END_DECLS + +#endif /* bits/spin-lock.h */ -- cgit v1.2.3