thodg/libgit2/src/mwindow.h

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• Hash : 6460e8ab
  Author :
  Date : 2019-06-23T18:13:29
  

  internal: use off64_t instead of git_off_t Prefer `off64_t` internally.

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• src/mwindow.h

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #ifndef INCLUDE_mwindow__
  #define INCLUDE_mwindow__
  
  #include "common.h"
  
  #include "map.h"
  #include "vector.h"
  
  typedef struct git_mwindow {
  	struct git_mwindow *next;
  	git_map window_map;
  	off64_t offset;
  	size_t last_used;
  	size_t inuse_cnt;
  } git_mwindow;
  
  typedef struct git_mwindow_file {
  	git_mwindow *windows;
  	int fd;
  	off64_t size;
  } git_mwindow_file;
  
  typedef struct git_mwindow_ctl {
  	size_t mapped;
  	unsigned int open_windows;
  	unsigned int mmap_calls;
  	unsigned int peak_open_windows;
  	size_t peak_mapped;
  	size_t used_ctr;
  	git_vector windowfiles;
  } git_mwindow_ctl;
  
  int git_mwindow_contains(git_mwindow *win, off64_t offset);
  void git_mwindow_free_all(git_mwindow_file *mwf); /* locks */
  void git_mwindow_free_all_locked(git_mwindow_file *mwf); /* run under lock */
  unsigned char *git_mwindow_open(git_mwindow_file *mwf, git_mwindow **cursor, off64_t offset, size_t extra, unsigned int *left);
  int git_mwindow_file_register(git_mwindow_file *mwf);
  void git_mwindow_file_deregister(git_mwindow_file *mwf);
  void git_mwindow_close(git_mwindow **w_cursor);
  
  extern int git_mwindow_global_init(void);
  
  struct git_pack_file; /* just declaration to avoid cyclical includes */
  int git_mwindow_get_pack(struct git_pack_file **out, const char *path);
  void git_mwindow_put_pack(struct git_pack_file *pack);
  
  #endif
  

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