src/common/ust-fd.h

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  */
   6
   7 #ifndef _LTTNG_UST_FD_H
   8 #define _LTTNG_UST_FD_H
   9
  10 /*
  11  * The fd tracker feature is part of the ABI and used by liblttng-ust-fd.
  12  * However, some test code and documentation needs to be written before it is
  13  * exposed to users with a public header.
  14  *
  15  * These symbols are provided by 'liblttng-ust-common'.
  16  */
  17
  18 #include <stdio.h>
  19
  20 int lttng_ust_add_fd_to_tracker(int fd);
  21 void lttng_ust_delete_fd_from_tracker(int fd);
  22 void lttng_ust_lock_fd_tracker(void);
  23 void lttng_ust_unlock_fd_tracker(void);
  24
  25 int lttng_ust_safe_close_fd(int fd, int (*close_cb)(int));
  26 int lttng_ust_safe_fclose_stream(FILE *stream, int (*fclose_cb)(FILE *stream));
  27 int lttng_ust_safe_closefrom_fd(int lowfd, int (*close_cb)(int));
  28 int lttng_ust_safe_close_range_fd(unsigned int first, unsigned int last, int flags,
  29                 int (*close_range_cb)(unsigned int, unsigned int, int));
  30
  31 #endif  /* _LTTNG_UST_FD_H */