|
#include "util/pool.hh" |
|
|
|
#include "util/scoped.hh" |
|
|
|
#include <cstdlib> |
|
|
|
#include <algorithm> |
|
|
|
namespace util { |
|
|
|
Pool::Pool() { |
|
current_ = NULL; |
|
current_end_ = NULL; |
|
} |
|
|
|
Pool::~Pool() { |
|
FreeAll(); |
|
} |
|
|
|
void Pool::FreeAll() { |
|
for (std::vector<void *>::const_iterator i(free_list_.begin()); i != free_list_.end(); ++i) { |
|
free(*i); |
|
} |
|
free_list_.clear(); |
|
current_ = NULL; |
|
current_end_ = NULL; |
|
} |
|
|
|
void *Pool::More(std::size_t size) { |
|
std::size_t amount = std::max(static_cast<size_t>(32) << free_list_.size(), size); |
|
uint8_t *ret = static_cast<uint8_t*>(MallocOrThrow(amount)); |
|
free_list_.push_back(ret); |
|
current_ = ret + size; |
|
current_end_ = ret + amount; |
|
return ret; |
|
} |
|
|
|
} |
|
|
