deallocate()

template<typename T, fl::size SLAB_SIZE = FASTLED_DEFAULT_SLAB_SIZE>

void fl::SlabAllocator< T, SLAB_SIZE >::deallocate ( T * ptr, fl::size n = 1 )

inline

Definition at line 653 of file allocator.h.

                                                       {
        if (!ptr) {
            return;
        }
        fl::detail::slab_lock_guard guard(mMutex); // see allocate()
 
        // Try to deallocate from slab first
        bool found_in_slab = false;
        for (Slab* slab = mSlabs; slab; slab = slab->next) {
            u8* slab_start = slab->memory;
            u8* slab_end = slab_start + SLAB_MEMORY_SIZE;
            u8* block_ptr = fl::bit_cast_ptr<u8>(static_cast<void*>(ptr));
            
            if (block_ptr >= slab_start && block_ptr < slab_end) {
                deallocateToSlab(ptr, n);
                found_in_slab = true;
                break;
            }
        }
        
        if (!found_in_slab) {
            // This was allocated with regular malloc
            Free(ptr);
        }
    }

References fl::bit_cast_ptr(), deallocateToSlab(), fl::FL_NO_EXCEPT, fl::Free(), mMutex, mSlabs, and SLAB_MEMORY_SIZE.

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