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atomic.h
1
6/*
7 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
8 * Alexander Warg <warg@os.inf.tu-dresden.de>
9 * economic rights: Technische Universität Dresden (Germany)
10 *
11 * License: see LICENSE.spdx (in this directory or the directories above)
12 */
13#pragma once
14
15#include <l4/sys/compiler.h>
16
18
19long int
20l4_atomic_add(volatile long int* mem, long int offset) L4_NOTHROW L4_LONG_CALL;
21
22long int
23l4_atomic_xchg(volatile long int* mem, long int newval) L4_NOTHROW L4_LONG_CALL;
24
25long int
26l4_atomic_cmpxchg(volatile long int* mem, long int oldval, long int newval) L4_NOTHROW L4_LONG_CALL;
27
L4 compiler related defines.
#define __END_DECLS
End section with C types and functions.
Definition compiler.h:167
#define L4_NOTHROW
Mark a function declaration and definition as never throwing an exception.
Definition compiler.h:159
#define __BEGIN_DECLS
Start section with C types and functions.
Definition compiler.h:164