dynarmic/src/common/memory_pool.cpp
2020-04-22 20:44:38 +01:00

44 lines
1,000 B
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2016 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#include <cstdlib>
#include "common/memory_pool.h"
namespace Dynarmic::Common {
Pool::Pool(size_t object_size, size_t initial_pool_size) : object_size(object_size), slab_size(initial_pool_size) {
AllocateNewSlab();
}
Pool::~Pool() {
std::free(current_slab);
for (char* slab : slabs) {
std::free(slab);
}
}
void* Pool::Alloc() {
if (remaining == 0) {
slabs.emplace_back(current_slab);
AllocateNewSlab();
}
void* ret = static_cast<void*>(current_ptr);
current_ptr += object_size;
remaining--;
return ret;
}
void Pool::AllocateNewSlab() {
current_slab = static_cast<char*>(std::malloc(object_size * slab_size));
current_ptr = current_slab;
remaining = slab_size;
}
} // namespace Dynarmic::Common