summary refs log tree commit diff
path: root/sysdeps/generic/bits/atomic.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/bits/atomic.h')
-rw-r--r--sysdeps/generic/bits/atomic.h43
1 files changed, 0 insertions, 43 deletions
diff --git a/sysdeps/generic/bits/atomic.h b/sysdeps/generic/bits/atomic.h
deleted file mode 100644
index 6245130a91..0000000000
--- a/sysdeps/generic/bits/atomic.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 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.  */
-
-#ifndef _BITS_ATOMIC_H
-#define _BITS_ATOMIC_H	1
-
-/* We have by default no support for atomic operations.  So define
-   them non-atomic.  If this is a problem somebody will have to come
-   up with real definitions.  */
-
-/* The only basic operation needed is compare and exchange.  */
-#define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
-  ({ __typeof (mem) __gmemp = (mem);				      \
-     __typeof (*mem) __gret = *__gmemp;				      \
-     __typeof (*mem) __gnewval = (newval);			      \
-								      \
-     if (__gret == (oldval))					      \
-       *__gmemp = __gnewval;					      \
-     __gret; })
-
-#define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
-  ({ __typeof (mem) __gmemp = (mem);				      \
-     __typeof (*mem) __gnewval = (newval);			      \
-								      \
-     *__gmemp == (oldval) ? (*__gmemp = __gnewval, 0) : 1; })
-
-#endif	/* bits/atomic.h */