wrapper/file.h

   1 #ifndef _LTTNG_WRAPPER_FILE_H
   2 #define _LTTNG_WRAPPER_FILE_H
   3
   4 /*
   5  * wrapper/file.h
   6  *
   7  * wrapper around linux/file.h.
   8  *
   9  * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; only
  14  * version 2.1 of the License.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  24  */
  25
  26 #include <linux/version.h>
  27 #include <linux/file.h>
  28
  29 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)
  30
  31 static
  32 inline int lttng_get_unused_fd(void)
  33 {
  34         return get_unused_fd_flags(0);
  35 }
  36
  37 #define lttng_f_dentry  f_path.dentry
  38
  39 #else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
  40
  41 static
  42 inline int lttng_get_unused_fd(void)
  43 {
  44         return get_unused_fd();
  45 }
  46
  47 #define lttng_f_dentry  f_dentry
  48
  49 #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
  50
  51 #endif /* _LTTNG_WRAPPER_FILE_H */