[lttng-modules.git] / wrapper / file.h

/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
 *
 * wrapper/file.h
 *
 * wrapper around linux/file.h.
 *
 * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#ifndef _LTTNG_WRAPPER_FILE_H
#define _LTTNG_WRAPPER_FILE_H

#include <linux/version.h>
#include <linux/file.h>

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)

static
inline int lttng_get_unused_fd(void)
{
	return get_unused_fd_flags(0);
}

#define lttng_f_dentry	f_path.dentry

#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */

static
inline int lttng_get_unused_fd(void)
{
	return get_unused_fd();
}

#define lttng_f_dentry	f_dentry

#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */

#endif /* _LTTNG_WRAPPER_FILE_H */
Commit	Line	Data
b7cdc182	1	/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
9f36eaed	2	*
4ac10b76 MD	3	* wrapper/file.h
	4	*
	5	* wrapper around linux/file.h.
	6	*
	7	* Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4ac10b76 MD	8	*/
4ac10b76 MD	9
9f36eaed MJ	10	#ifndef _LTTNG_WRAPPER_FILE_H
	11	#define _LTTNG_WRAPPER_FILE_H
	12
4ac10b76 MD	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
b06ed645 MD	24	#define lttng_f_dentry f_path.dentry
b06ed645 MD	25
4ac10b76 MD	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
b06ed645 MD	34	#define lttng_f_dentry f_dentry
b06ed645 MD	35
4ac10b76 MD	36	#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
	37
	38	#endif /* _LTTNG_WRAPPER_FILE_H */