thodg/got/lib/got_lib_lockfile.h

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• Hash : 5345b4c7
  Author :
  Date : 2021-07-06T07:39:36
  

  allow lockfiles to be used in cases where we have a dir_fd and a relative path
  

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• lib/got_lib_lockfile.h

• /*
   * Copyright (c) 2019 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  /*
   * Git-compatible lock file implementation. Lock files are used to
   * ensure exclusive access when files in a GIt repository are modified. 
   */
  
  #define GOT_LOCKFILE_SUFFIX ".lock"
  
  struct got_lockfile {
  	char *path;
  	char *locked_path;
  	int fd;
  };
  
  const struct got_error *got_lockfile_lock(struct got_lockfile **,
      const char *, int);
  const struct got_error *got_lockfile_unlock(struct got_lockfile *, int);
  

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