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#pragma once
#include <memory>
#include <vector>
struct llama_file;
struct llama_mmap;
struct llama_mlock;
using llama_files = std::vector<std::unique_ptr<llama_file>>;
using llama_mmaps = std::vector<std::unique_ptr<llama_mmap>>;
using llama_mlocks = std::vector<std::unique_ptr<llama_mlock>>;
struct llama_file {
llama_file(const char * fname, const char * mode);
~llama_file();
size_t tell() const;
size_t size() const;
int file_id() const; // fileno overload
void seek(size_t offset, int whence) const;
void read_raw(void * ptr, size_t len) const;
uint32_t read_u32() const;
void write_raw(const void * ptr, size_t len) const;
void write_u32(uint32_t val) const;
private:
struct impl;
std::unique_ptr<impl> pimpl;
};
struct llama_mmap {
llama_mmap(const llama_mmap &) = delete;
llama_mmap(struct llama_file * file, size_t prefetch = (size_t) -1, bool numa = false);
~llama_mmap();
size_t size() const;
void * addr() const;
void unmap_fragment(size_t first, size_t last);
static const bool SUPPORTED;
private:
struct impl;
std::unique_ptr<impl> pimpl;
};
struct llama_mlock {
llama_mlock();
~llama_mlock();
void init(void * ptr);
void grow_to(size_t target_size);
static const bool SUPPORTED;
private:
struct impl;
std::unique_ptr<impl> pimpl;
};
size_t llama_path_max();
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