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// Very simple pool. It can only allocate memory. And all of the memory it
// allocates must be freed at the same time.
#ifndef UTIL_POOL__
#define UTIL_POOL__
#include <vector>
#include <stdint.h>
namespace util {
class Pool {
public:
Pool();
~Pool();
void *Allocate(std::size_t size) {
void *ret = current_;
current_ += size;
if (current_ < current_end_) {
return ret;
} else {
return More(size);
}
}
void FreeAll();
private:
void *More(std::size_t size);
std::vector<void *> free_list_;
uint8_t *current_, *current_end_;
// no copying
Pool(const Pool &);
Pool &operator=(const Pool &);
};
} // namespace util
#endif // UTIL_POOL__
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