Files
PX4-Autopilot/libuavcan/include/uavcan/internal/impl_constants.hpp
T

34 lines
819 B
C++

/*
* Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
*/
#pragma once
#include <uavcan/internal/util.hpp>
namespace uavcan
{
/**
* Should be OK for any target arch up to AMD64 and any compiler.
* The library leverages compile-time checks to ensure that all types that are subject to dynamic allocation
* fit this size; otherwise compilation fails.
*/
#if UAVCAN_MEM_POOL_BLOCK_SIZE
enum { MemPoolBlockSize = UAVCAN_MEM_POOL_BLOCK_SIZE };
#else
enum { MemPoolBlockSize = 32 + sizeof(void*) * 2 };
#endif
enum { MemPoolAlignment = 8 };
typedef char _alignment_check_for_MEM_POOL_BLOCK_SIZE[((MemPoolBlockSize & (MemPoolAlignment - 1)) == 0) ? 1 : -1];
template <typename T>
struct IsDynamicallyAllocatable
{
static void check() { StaticAssert<sizeof(T) <= MemPoolBlockSize>::check(); }
};
}