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L4Re - L4 Runtime Environment
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Merged slab allocator (allocators for objects of the same size are merged together). More...
Inheritance diagram for cxx::Base_slab_static< Obj_size, Slab_size, Max_free, Alloc >:
Collaboration diagram for cxx::Base_slab_static< Obj_size, Slab_size, Max_free, Alloc >:Public Types | |
| enum | { object_size = Obj_size, slab_size = Slab_size, objects_per_slab = _A::objects_per_slab, max_free_slabs = Max_free } |
Public Member Functions | |
| void * | alloc () throw () |
| Allocate an object. More... | |
| void | free (void *p) throw () |
| Free the given object (p). More... | |
| unsigned | total_objects () const throw () |
| Get the total number of objects managed by the slab allocator. More... | |
| unsigned | free_objects () const throw () |
| Get the number of free objects in the slab allocator. More... | |
Merged slab allocator (allocators for objects of the same size are merged together).
| Obj_size | The size of an object managed by the slab allocator. |
| Slab_size | The size of a slab cache. |
| Max_free | The maximum number of free slab caches. |
| Alloc | The allocator for the slab caches. |
This slab allocator class is useful for merging slab allocators with the same parameters (equal Obj_size, Slab_size, Max_free, and Alloc parameters) together and share the overhead for the slab caches among all equal-sized objects.
Definition at line 348 of file slab_alloc.
| anonymous enum |
| Enumerator | |
|---|---|
| object_size | size of an object. |
| slab_size | size of a slab cache. |
| objects_per_slab | number of objects per slab cache. |
| max_free_slabs | maximum number of free slab caches. |
Definition at line 355 of file slab_alloc.
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Allocate an object.
Definition at line 365 of file slab_alloc.
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Free the given object (p).
| p | The pointer to the object to free. |
Definition at line 371 of file slab_alloc.
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Get the number of free objects in the slab allocator.
Definition at line 389 of file slab_alloc.
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Get the total number of objects managed by the slab allocator.
Definition at line 380 of file slab_alloc.