-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * libcfs/include/libcfs/user-time.h
- *
- * Implementation of portable time API for user-level.
- *
- * Author: Nikita Danilov <nikita@clusterfs.com>
- */
-
-#ifndef __LIBCFS_USER_TIME_H__
-#define __LIBCFS_USER_TIME_H__
-
-/* Portable time API */
-
-/*
- * Platform provides three opaque data-types:
- *
- * cfs_time_t represents point in time. This is internal kernel
- * time rather than "wall clock". This time bears no
- * relation to gettimeofday().
- *
- * cfs_duration_t represents time interval with resolution of internal
- * platform clock
- *
- * cfs_fs_time_t represents instance in world-visible time. This is
- * used in file-system time-stamps
- *
- * cfs_time_t cfs_time_current(void);
- * cfs_time_t cfs_time_add (cfs_time_t, cfs_duration_t);
- * cfs_duration_t cfs_time_sub (cfs_time_t, cfs_time_t);
- * int cfs_time_before (cfs_time_t, cfs_time_t);
- * int cfs_time_beforeq(cfs_time_t, cfs_time_t);
- *
- * cfs_duration_t cfs_duration_build(int64_t);
- *
- * time_t cfs_duration_sec (cfs_duration_t);
- * void cfs_duration_usec(cfs_duration_t, struct timeval *);
- * void cfs_duration_nsec(cfs_duration_t, struct timespec *);
- *
- * void cfs_fs_time_current(cfs_fs_time_t *);
- * time_t cfs_fs_time_sec (cfs_fs_time_t *);
- * void cfs_fs_time_usec (cfs_fs_time_t *, struct timeval *);
- * void cfs_fs_time_nsec (cfs_fs_time_t *, struct timespec *);
- * int cfs_fs_time_before (cfs_fs_time_t *, cfs_fs_time_t *);
- * int cfs_fs_time_beforeq(cfs_fs_time_t *, cfs_fs_time_t *);
- *
- * CFS_TIME_FORMAT
- * CFS_DURATION_FORMAT
- *
- */
-
-#ifndef __KERNEL__
-
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <sys/time.h>
-#include <time.h>
-
-#define ONE_BILLION ((uint64_t)1000000000)
-#define ONE_MILLION 1000000
-
-/*
- * Liblustre. time(2) based implementation.
- */
-
-typedef time_t cfs_fs_time_t;
-typedef time_t cfs_time_t;
-typedef time_t cfs_duration_t;
-
-#define cfs_time_before(a, b) ((long)(a) - (long)(b) < 0)
-#define cfs_time_beforeq(a, b) ((long)(b) - (long)(a) >= 0)
-
-static inline cfs_time_t cfs_time_current(void)
-{
- return time(NULL);
-}
-
-static inline cfs_duration_t cfs_time_seconds(cfs_time_t seconds)
-{
- return seconds;
-}
-
-static inline time_t cfs_time_current_sec(void)
-{
- return cfs_time_seconds(cfs_time_current());
-}
-
-static inline cfs_duration_t cfs_duration_build(int64_t nano)
-{
- return (cfs_duration_t) (nano / ONE_BILLION);
-}
-
-static inline time_t cfs_duration_sec(cfs_duration_t d)
-{
- return d;
-}
-
-static inline void cfs_duration_usec(cfs_duration_t d, struct timeval *s)
-{
- s->tv_sec = d;
- s->tv_usec = 0;
-}
-
-static inline void cfs_duration_nsec(cfs_duration_t d, struct timespec *s)
-{
- s->tv_sec = d;
- s->tv_nsec = 0;
-}
-
-static inline void cfs_fs_time_current(cfs_fs_time_t *t)
-{
- time(t);
-}
-
-static inline time_t cfs_fs_time_sec(cfs_fs_time_t *t)
-{
- return *t;
-}
-
-static inline void cfs_fs_time_usec(cfs_fs_time_t *t, struct timeval *v)
-{
- v->tv_sec = *t;
- v->tv_usec = 0;
-}
-
-static inline void cfs_fs_time_nsec(cfs_fs_time_t *t, struct timespec *s)
-{
- s->tv_sec = *t;
- s->tv_nsec = 0;
-}
-
-static inline int cfs_fs_time_before(cfs_fs_time_t *t1, cfs_fs_time_t *t2)
-{
- return *t1 < *t2;
-}
-
-static inline int cfs_fs_time_beforeq(cfs_fs_time_t *t1, cfs_fs_time_t *t2)
-{
- return *t1 <= *t2;
-}
-
-#define CFS_TICK (1)
-
-#define cfs_time_current_64 cfs_time_current
-#define cfs_time_add_64 cfs_time_add
-#define cfs_time_shift_64 cfs_time_shift
-#define cfs_time_before_64 cfs_time_before
-#define cfs_time_beforeq_64 cfs_time_beforeq
-
-/* XXX needs to move to arch specific header or configured */
-#ifndef CFS_TIME_T
-#define CFS_TIME_T "%lu"
-#endif
-
-#define CFS_DURATION_T "%ld"
-
-/* !__KERNEL__ */
-#endif
-
-/* __LIBCFS_USER_TIME_H__ */
-#endif
-/*
- * Local variables:
- * c-indentation-style: "K&R"
- * c-basic-offset: 8
- * tab-width: 8
- * fill-column: 80
- * scroll-step: 1
- * End:
- */