[−][src]Module basic_allocator::allocators
Basic allocator types, both generic and Unix-specific.
Basic Types
RawAlloc
A RawAlloc is a single-threaded, non-thread-safe heap and freed memory
manager, implementing
core::alloc::GlobalAlloc.
However, because it is not thread-safe, it canot be used as a global
allocator.BlockList
UnixAllocator
A UnixAllocator wraps RawAlloc with a spin lock to make it thread-safe,
allowing it to be used as the global allocator. It also combines RawAlloc
with a unix-specific UnixHeapGrower to use virtual memory pages as its
underlying basis for making those calls.
HeapGrower
HeapGrower is a simple trait interface meant to abstract over the calls to
the OS to expand the heap.
ToyHeap
ToyHeap is a static array on the stack that can pretend to be a heap, and
implements HeapGrower for such a purpose. It is mainly useful for testing.
Structs
| GenericAllocator | A thread-safe allocator, using a spin lock around a RawAlloc. |
| RawAlloc | A raw allocator, capable of growing the heap, returning pointers to new allocations, and tracking and reusing freed memory. |
| SyscallHeapGrower | SyscallHeapGrower uses virtual memory to grow the heap upon request. |
| ToyHeap | |
| ToyHeapOverflowError | |
| UnixAllocator |
Traits
| HeapGrower |