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/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#ifndef INCLUDE_mwindow__
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#define INCLUDE_mwindow__
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#include "map.h"
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#include "vector.h"
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typedef struct git_mwindow {
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struct git_mwindow *next;
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git_map window_map;
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git_off_t offset;
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size_t last_used;
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size_t inuse_cnt;
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} git_mwindow;
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typedef struct git_mwindow_file {
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git_mwindow *windows;
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int fd;
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git_off_t size;
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} git_mwindow_file;
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typedef struct git_mwindow_ctl {
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size_t mapped;
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unsigned int open_windows;
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unsigned int mmap_calls;
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unsigned int peak_open_windows;
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size_t peak_mapped;
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size_t used_ctr;
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git_vector windowfiles;
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} git_mwindow_ctl;
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int git_mwindow_contains(git_mwindow *win, git_off_t offset);
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void git_mwindow_free_all(git_mwindow_file *mwf); /* locks */
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void git_mwindow_free_all_locked(git_mwindow_file *mwf); /* run under lock */
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unsigned char *git_mwindow_open(git_mwindow_file *mwf, git_mwindow **cursor, git_off_t offset, size_t extra, unsigned int *left);
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int git_mwindow_file_register(git_mwindow_file *mwf);
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void git_mwindow_file_deregister(git_mwindow_file *mwf);
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void git_mwindow_close(git_mwindow **w_cursor);
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extern int git_mwindow_global_init(void);
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struct git_pack_file; /* just declaration to avoid cyclical includes */
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int git_mwindow_get_pack(struct git_pack_file **out, const char *path);
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void git_mwindow_put_pack(struct git_pack_file *pack);
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#endif
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