特别声明：
建议使用google游览器,火狐也可以
论坛处于测试阶段，一切资料都为测试资料，在论坛正式运行的时候，会尽量保存网友的劳动成果！
HelloWorld论坛秉持互惠互利，共同学习与进步，一个人的梦想大家实现的理想，一直坚持着，望广大网友多多支持，提供宝贵意见
来论坛做什么？
可以先转载你平时学习查找的资料（先论坛查找），自己可以写写体会
把平时碰到的问题，如何解决可以先记录在论坛，以备后来的人学习
可以和会员一起参加一些开源项目的学习，汉化，推广，甚至可以加入团队
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全局的new有六种重载形式，其中placement版本不能重载 void *operator new(std::size_t count)throw(std::bad_alloc); // 一般的版本 void *operator new(std::size_t count,const std::nothrow_t&) throw(); // 兼容早版本的new 内存分配失败不会抛出异常 void *operator new(std::size_t count, void *ptr) throw(); // placement版本 void *operator new[](std::size_t count) throw(std::bad_alloc); // 一般的版本 void *operator new[](std::size_t count,const std::nothrow_t&) throw(); // 兼容早版本的new 内存分配失败不会抛出异常 void *operator new[](std::size_t count, void *ptr) throw(); // placement版本
#ifdef HW_ACE_ALLOCATOR //使用自定义内存管理
hwnet::ManageAllocator<ACE_SYNCH_RECURSIVE_MUTEX>* gManageBlockAllocator;
// 一般的版本(plain new)
inline void * operator new(size_t size) throw(std::bad_alloc)
{
if (gManageBlockAllocator == false)
{
gManageBlockAllocator = hwnet::ManageAllocator<ACE_SYNCH_RECURSIVE_MUTEX>::CreateInstance(1024*16, 512, 512);
gManageBlockAllocator->Create(1024*16, sizeof(hwnet::Block));
gManageBlockAllocator->Create(1024*16, 512);
ACE_Allocator::instance (dynamic_cast<ACE_Allocator*>(gManageBlockAllocator));
}
void* pVoid = gManageBlockAllocator->malloc (size);
if (pVoid)
{
return pVoid;
}
pVoid = gManageBlockAllocator->malloc (size);
static const std::bad_alloc nomem;
throw nomem;
}
//兼容早版本, new内存分配失败不会抛出异常(nothrow new)
void *operator new(std::size_t size, const std::nothrow_t& ) throw()
{
if (gManageBlockAllocator == false)
{
gManageBlockAllocator = hwnet::ManageAllocator<ACE_SYNCH_RECURSIVE_MUTEX>::CreateInstance(1024*16, 512, 512);
gManageBlockAllocator->Create(1024*16, sizeof(hwnet::Block));
gManageBlockAllocator->Create(1024*16, 512);
ACE_Allocator::instance (dynamic_cast<ACE_Allocator*>(gManageBlockAllocator));
}
return gManageBlockAllocator->malloc (size);
}
////placement版本(placement new)
//void *operator new(std::size_t count, void *ptr) throw()
//{
// return ;
//}
inline void operator delete(void *p)
{
return gManageBlockAllocator->free (p);
}
void *operator new[](std::size_t size) throw(std::bad_alloc)
{
if (gManageBlockAllocator == false)
{
gManageBlockAllocator = hwnet::ManageAllocator<ACE_SYNCH_RECURSIVE_MUTEX>::CreateInstance(1024*16, 512, 512);
gManageBlockAllocator->Create(1024*16, sizeof(hwnet::Block));
gManageBlockAllocator->Create(1024*16, 512);
ACE_Allocator::instance (dynamic_cast<ACE_Allocator*>(gManageBlockAllocator));
}
void* pVoid = gManageBlockAllocator->malloc (size);
if (pVoid)
{
return pVoid;
}
static const std::bad_alloc nomem;
throw nomem;
}
void *operator new[](std::size_t size, const std::nothrow_t&) throw()
{
if (gManageBlockAllocator == false)
{
gManageBlockAllocator = hwnet::ManageAllocator<ACE_SYNCH_RECURSIVE_MUTEX>::CreateInstance(1024*16, 512, 512);
gManageBlockAllocator->Create(1024*16, sizeof(hwnet::Block));
gManageBlockAllocator->Create(1024*16, 512);
ACE_Allocator::instance (dynamic_cast<ACE_Allocator*>(gManageBlockAllocator));
}
return gManageBlockAllocator->malloc (size);
}
//void *operator new[](std::size_t count, void *ptr) throw()
//{
// return ;
//}
inline void operator delete[](void *p)
{
return gManageBlockAllocator->free (p);
}
#endif // HW_ACE_ALLOCATOR
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