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seperate the declaration of the data type spinlock and the implementation of a spinlock

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This commit is contained in:
Stefan Lankes 2011-02-24 09:33:02 +01:00
parent 3aaa2406de
commit ae52943045
2 changed files with 42 additions and 7 deletions
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8
include/metalsvm/spinlock.h
View file

@ -21,6 +21,7 @@
#define __SPINLOCK_H__
#include <metalsvm/stddef.h>
#include <metalsvm/spinlock_types.h>
#include <metalsvm/tasks_types.h>
#include <asm/irqflags.h>
#include <asm/atomic.h>
@ -29,13 +30,6 @@
extern "C" {
#endif
typedef struct spinlock {
atomic_int32_t queue, dequeue;
tid_t owner;
} spinlock_t;
#define SPINLOCK_INIT { ATOMIC_INIT(0), ATOMIC_INIT(1), MAX_TASKS }
inline static int spinlock_init(spinlock_t* s) {
if (BUILTIN_EXPECT(!s, 0))
return -1;

41
include/metalsvm/spinlock_types.h Normal file
View file

@ -0,0 +1,41 @@
/*
* Copyright 2011 Stefan Lankes, Chair for Operating Systems,
* RWTH Aachen University
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of MetalSVM.
*/
#ifndef __SPINLOCK_TYPES_H__
#define __SPINLOCK_TYPES_H__
#include <metalsvm/stddef.h>
#include <asm/atomic.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct spinlock {
atomic_int32_t queue, dequeue;
tid_t owner;
} spinlock_t;
#define SPINLOCK_INIT { ATOMIC_INIT(0), ATOMIC_INIT(1), MAX_TASKS }
#ifdef __cplusplus
}
#endif
#endif