wrapper/file.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
   2  *
   3  * wrapper/file.h
   4  *
   5  * wrapper around linux/file.h.
   6  *
   7  * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  */
   9
  10 #ifndef _LTTNG_WRAPPER_FILE_H
  11 #define _LTTNG_WRAPPER_FILE_H
  12
  13 #include <linux/version.h>
  14 #include <linux/file.h>
  15
  16 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)
  17
  18 static
  19 inline int lttng_get_unused_fd(void)
  20 {
  21         return get_unused_fd_flags(0);
  22 }
  23
  24 #define lttng_f_dentry  f_path.dentry
  25
  26 #else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
  27
  28 static
  29 inline int lttng_get_unused_fd(void)
  30 {
  31         return get_unused_fd();
  32 }
  33
  34 #define lttng_f_dentry  f_dentry
  35
  36 #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
  37
  38 #endif /* _LTTNG_WRAPPER_FILE_H */