An arena manages a contiguous region of memory by dividing it into chunks.
Declared in <support/lockedpool.h>
class Arena;| Name | Description |
|---|---|
Stats | Memory statistics. |
| Name | Description |
|---|---|
Arena [constructor] | Constructors |
~Arena [destructor] [virtual] | Destroys the arena. |
operator= [deleted] | Deleted copy assignment; an Arena cannot be copied. |
addressInArena | Return whether a pointer points inside this arena. This returns base <= ptr < (base+size) so only use it for (inclusive) chunk starting addresses. |
alloc | Allocate size bytes from this arena. Returns pointer on success, or 0 if memory is full or the application tried to allocate 0 bytes. |
free | Free a previously allocated chunk of memory. Freeing the zero pointer has no effect. Raises std::runtime_error in case of error. |
stats | Get arena usage statistics |