class Buffer {
private:
- enum class Type { Malloc, Mmap };
void* data_ = nullptr;
std::size_t size_;
- Type type_ = Type::Malloc;
- Buffer(std::size_t size, Type type = Type::Malloc);
- Buffer(void* data, std::size_t size, Type type = Type::Malloc) : data_(data), size_(size), type_(type) {}
+ explicit Buffer(std::size_t size) : size_(size) { data_ = ::operator new(size_); }
+
+ Buffer(void* data, std::size_t size) : data_(data), size_(size) {}
public:
Buffer() = default;
- void clear() noexcept;
+ void clear() noexcept
+ {
+ ::operator delete(data_);
+ data_ = nullptr;
+ size_ = 0;
+ }
+
~Buffer() noexcept { clear(); }
- static Buffer malloc(std::size_t size) { return Buffer(size, Type::Malloc); }
- static Buffer mmap(std::size_t size) { return Buffer(size, Type::Mmap); }
+ static Buffer malloc(std::size_t size) { return Buffer(size); }
// No copy
Buffer(Buffer const& buffer) = delete;
Buffer& operator=(Buffer const& buffer) = delete;
// Move
- Buffer(Buffer&& that) noexcept : data_(that.data_), size_(that.size_), type_(that.type_)
+ Buffer(Buffer&& that) noexcept : data_(that.data_), size_(that.size_)
{
that.data_ = nullptr;
that.size_ = 0;
- that.type_ = Type::Malloc;
}
Buffer& operator=(Buffer&& that) noexcept
{
clear();
data_ = that.data_;
size_ = that.size_;
- type_ = that.type_;
that.data_ = nullptr;
that.size_ = 0;
- that.type_ = Type::Malloc;
return *this;
}
static const RegionType DataRegion = RegionType::Data;
private:
- RegionType region_type_;
- StorageType storage_type_;
- simgrid::mc::ObjectInformation* object_info_;
+ RegionType region_type_ = UnknownRegion;
+ StorageType storage_type_ = StorageType::NoData;
+ simgrid::mc::ObjectInformation* object_info_ = nullptr;
/** @brief Virtual address of the region in the simulated process */
- void* start_addr_;
+ void* start_addr_ = nullptr;
/** @brief Size of the data region in bytes */
- std::size_t size_;
+ std::size_t size_ = 0;
/** @brief Permanent virtual address of the region
*
* on the region of the global variables.
*
* */
- void* permanent_addr_;
+ void* permanent_addr_ = nullptr;
Buffer flat_data_;
ChunkedData page_numbers_;
std::vector<RegionSnapshot> privatized_regions_;
public:
- RegionSnapshot()
- : region_type_(UnknownRegion)
- , storage_type_(StorageType::NoData)
- , object_info_(nullptr)
- , start_addr_(nullptr)
- , size_(0)
- , permanent_addr_(nullptr)
- {
- }
+ RegionSnapshot() {}
RegionSnapshot(RegionType type, void* start_addr, void* permanent_addr, size_t size)
: region_type_(type)
- , storage_type_(StorageType::NoData)
- , object_info_(nullptr)
, start_addr_(start_addr)
, size_(size)
, permanent_addr_(permanent_addr)
} // namespace mc
} // namespace simgrid
-typedef simgrid::mc::RegionSnapshot s_mc_mem_region_t;
-typedef s_mc_mem_region_t* mc_mem_region_t;
#endif