haiku/headers/private/kernel/util/atomic.h
Ingo Weinhold 22c6962959 Added atomic_pointer_get().
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25324 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-05-06 03:30:25 +00:00

54 lines
1.2 KiB
C++

/*
* Copyright 2008, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*/
#ifndef _KERNEL_UTIL_ATOMIC_H
#define _KERNEL_UTIL_ATOMIC_H
#include <limits.h>
#include <SupportDefs.h>
#ifdef __cplusplus
template<typename PointerType> PointerType*
atomic_pointer_test_and_set(PointerType** _pointer, const PointerType* set,
const PointerType* test)
{
#if LONG_MAX == INT_MAX
return (PointerType*)atomic_test_and_set((vint32*)_pointer, (int32)set,
(int32)test);
#else
return (PointerType*)atomic_test_and_set64((vint64*)_pointer, (int64)set,
(int64)test);
#endif
}
template<typename PointerType> PointerType*
atomic_pointer_set(PointerType** _pointer, const PointerType* set)
{
#if LONG_MAX == INT_MAX
return (PointerType*)atomic_set((vint32*)_pointer, (int32)set);
#else
return (PointerType*)atomic_set64((vint64*)_pointer, (int64)set);
#endif
}
template<typename PointerType> PointerType*
atomic_pointer_get(PointerType** _pointer)
{
#if LONG_MAX == INT_MAX
return (PointerType*)atomic_get((vint32*)_pointer);
#else
return (PointerType*)atomic_get64((vint64*)_pointer);
#endif
}
#endif // __cplusplus
#endif /* _KERNEL_UTIL_ATOMIC_H */