get_memory_block_ptrT_get_memory_block_ptrGetMemoryBlockPtrGetMemoryBlockPtrget_memory_block_ptr (Operator)
Name
get_memory_block_ptrT_get_memory_block_ptrGetMemoryBlockPtrGetMemoryBlockPtrget_memory_block_ptr — Return the data pointer and size of a memory block.
Warning
It is not recommended to use the operator get_memory_block_ptrget_memory_block_ptrGetMemoryBlockPtrGetMemoryBlockPtrGetMemoryBlockPtrget_memory_block_ptr in
HDevelop.
Signature
Description
get_memory_block_ptrget_memory_block_ptrGetMemoryBlockPtrGetMemoryBlockPtrGetMemoryBlockPtrget_memory_block_ptr returns the data pointer to the beginning of a
memory block in PointerPointerPointerPointerpointerpointer and its size in bytes in SizeSizeSizeSizesizesize.
MemoryBlockHandleMemoryBlockHandleMemoryBlockHandleMemoryBlockHandlememoryBlockHandlememory_block_handle is the handle of the memory block.
Execution Information
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Processed without parallelization.
Parameters
MemoryBlockHandleMemoryBlockHandleMemoryBlockHandleMemoryBlockHandlememoryBlockHandlememory_block_handle (input_control) memory_block → HMemoryBlock, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
Handle of the memory block.
PointerPointerPointerPointerpointerpointer (output_control) pointer → HTupleintHTupleHtuple (integer) (IntPtr) (Hlong) (Hlong)
Data pointer to the beginning of the memory block.
SizeSizeSizeSizesizesize (output_control) integer → HTupleintHTupleHtuple (integer) (int / long) (Hlong) (Hlong)
Size of the memory block.
Result
If the parameters are valid, the operator get_memory_block_ptrget_memory_block_ptrGetMemoryBlockPtrGetMemoryBlockPtrGetMemoryBlockPtrget_memory_block_ptr returns
the value 2 (H_MSG_TRUE). If necessary, an exception is raised.
Possible Predecessors
create_memory_block_externcreate_memory_block_externCreateMemoryBlockExternCreateMemoryBlockExternCreateMemoryBlockExterncreate_memory_block_extern,
create_memory_block_extern_copycreate_memory_block_extern_copyCreateMemoryBlockExternCopyCreateMemoryBlockExternCopyCreateMemoryBlockExternCopycreate_memory_block_extern_copy,
image_to_memory_blockimage_to_memory_blockImageToMemoryBlockImageToMemoryBlockImageToMemoryBlockimage_to_memory_block,
read_memory_blockread_memory_blockReadMemoryBlockReadMemoryBlockReadMemoryBlockread_memory_block
Module
Foundation