src/fd-cache/fd-cache.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2019 Francis Deslauriers <francis.deslauriers@efficios.com>
   5  *
   6  * Babeltrace - File descriptor cache
   7  */
   8
   9 #ifndef BABELTRACE_FD_CACHE_INTERNAL_H
  10 #define BABELTRACE_FD_CACHE_INTERNAL_H
  11
  12 #include "common/macros.h"
  13
  14 struct bt_fd_cache_handle {
  15         int fd;
  16 };
  17
  18 struct bt_fd_cache {
  19         int log_level;
  20         GHashTable *cache;
  21 };
  22
  23 static inline
  24 int bt_fd_cache_handle_get_fd(struct bt_fd_cache_handle *handle)
  25 {
  26         return handle->fd;
  27 }
  28
  29 BT_HIDDEN
  30 int bt_fd_cache_init(struct bt_fd_cache *fdc, int log_level);
  31
  32 BT_HIDDEN
  33 void bt_fd_cache_fini(struct bt_fd_cache *fdc);
  34
  35 BT_HIDDEN
  36 struct bt_fd_cache_handle *bt_fd_cache_get_handle(struct bt_fd_cache *fdc,
  37                 const char *path);
  38
  39 BT_HIDDEN
  40 void bt_fd_cache_put_handle(struct bt_fd_cache *fdc,
  41                 struct bt_fd_cache_handle *handle);
  42
  43 #endif /* BABELTRACE_FD_CACHE_INTERNAL_H */