Simplified distributed block storage with strong consistency, like in Ceph
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vitastor/src/mmap_manager.h

26 lines
488 B

#pragma once
#include <stdint.h>
#include <map>
struct mmap_buffer_t
{
void *addr = NULL;
uint64_t size = 0;
uint64_t freed = 0;
uint64_t pos = 0;
};
class mmap_manager_t
{
protected:
uint64_t mmap_size = 32*1024*1024;
std::map<void*, mmap_buffer_t> past_buffers;
mmap_buffer_t active_buffer;
public:
mmap_manager_t(uint64_t mmap_size = 32*1024*1024);
~mmap_manager_t();
void *alloc(uint64_t size);
void free(void *addr, uint64_t size);
};