79 lines
2.8 KiB
Raku
79 lines
2.8 KiB
Raku
// Filename: pallocator.T
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// Created by: drose (05Jun01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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template<class Type>
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INLINE pallocator_single<Type>::
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pallocator_single(TypeHandle type_handle) throw() :
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_type_handle(type_handle)
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{
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}
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template<class Type>
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INLINE TYPENAME pallocator_single<Type>::pointer pallocator_single<Type>::
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allocate(TYPENAME pallocator_single<Type>::size_type n, TYPENAME allocator<void>::const_pointer) {
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TAU_PROFILE("pallocator_single:allocate()", " ", TAU_USER);
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// This doesn't support allocating arrays.
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assert(n == 1);
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return DeletedChain<Type>::allocate(sizeof(Type), _type_handle);
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}
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template<class Type>
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INLINE void pallocator_single<Type>::
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deallocate(TYPENAME pallocator_single<Type>::pointer p, TYPENAME pallocator_single<Type>::size_type) {
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TAU_PROFILE("pallocator_single:deallocate()", " ", TAU_USER);
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return DeletedChain<Type>::deallocate(p, _type_handle);
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}
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template<class Type>
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INLINE pallocator_array<Type>::
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pallocator_array(TypeHandle type_handle) throw() :
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_type_handle(type_handle)
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{
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}
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template<class Type>
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INLINE TYPENAME pallocator_array<Type>::pointer pallocator_array<Type>::
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allocate(TYPENAME pallocator_array<Type>::size_type n, TYPENAME allocator<void>::const_pointer) {
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TAU_PROFILE("pallocator_array:allocate()", " ", TAU_USER);
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#ifdef DO_MEMORY_USAGE
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size_t alloc_size = n * sizeof(Type);
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// We also need to store the total number of bytes we allocated.
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alloc_size += sizeof(size_t);
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_type_handle.inc_memory_usage(TypeHandle::MC_array, alloc_size);
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void *ptr = (TYPENAME pallocator_array<Type>::pointer)(*global_operator_new)(alloc_size);
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*((size_t *)ptr) = alloc_size;
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return (TYPENAME pallocator_array<Type>::pointer)(((size_t *)ptr) + 1);
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#else
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return (TYPENAME pallocator_array<Type>::pointer)malloc(n * sizeof(Type));
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#endif // DO_MEMORY_USAGE
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}
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template<class Type>
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INLINE void pallocator_array<Type>::
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deallocate(TYPENAME pallocator_array<Type>::pointer p, TYPENAME pallocator_array<Type>::size_type) {
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TAU_PROFILE("pallocator_array:deallocate()", " ", TAU_USER);
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#ifdef DO_MEMORY_USAGE
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// Now we need to recover the total number of bytes.
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size_t alloc_size = *(((size_t *)p) - 1);
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_type_handle.dec_memory_usage(TypeHandle::MC_array, alloc_size);
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(*global_operator_delete)(((size_t *)p) - 1);
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#else
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free(p);
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#endif // DO_MEMORY_USAGE
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}
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