]>
Commit | Line | Data |
---|---|---|
716154c5 BB |
1 | /*****************************************************************************\ |
2 | * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. | |
3 | * Copyright (C) 2007 The Regents of the University of California. | |
4 | * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). | |
5 | * Written by Brian Behlendorf <behlendorf1@llnl.gov>. | |
715f6251 | 6 | * UCRL-CODE-235197 |
7 | * | |
716154c5 | 8 | * This file is part of the SPL, Solaris Porting Layer. |
3d6af2dd | 9 | * For details, see <http://zfsonlinux.org/>. |
715f6251 | 10 | * |
716154c5 BB |
11 | * The SPL is free software; you can redistribute it and/or modify it |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2 of the License, or (at your | |
14 | * option) any later version. | |
15 | * | |
16 | * The SPL is distributed in the hope that it will be useful, but WITHOUT | |
715f6251 | 17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
19 | * for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License along | |
716154c5 BB |
22 | * with the SPL. If not, see <http://www.gnu.org/licenses/>. |
23 | \*****************************************************************************/ | |
715f6251 | 24 | |
09b414e8 | 25 | #ifndef _SPL_TIME_H |
82f2f1a3 | 26 | #define _SPL_TIME_H |
f1ca4da6 | 27 | |
f1b59d26 | 28 | #include <linux/module.h> |
f1ca4da6 | 29 | #include <linux/time.h> |
f4b37741 | 30 | #include <sys/types.h> |
2b88beb7 | 31 | #include <sys/timer.h> |
f1ca4da6 | 32 | |
791dc876 | 33 | #if defined(CONFIG_64BIT) |
82f2f1a3 BB |
34 | #define TIME_MAX INT64_MAX |
35 | #define TIME_MIN INT64_MIN | |
791dc876 | 36 | #else |
82f2f1a3 BB |
37 | #define TIME_MAX INT32_MAX |
38 | #define TIME_MIN INT32_MIN | |
791dc876 | 39 | #endif |
ee476682 | 40 | |
82f2f1a3 BB |
41 | #define SEC 1 |
42 | #define MILLISEC 1000 | |
43 | #define MICROSEC 1000000 | |
44 | #define NANOSEC 1000000000 | |
f1ca4da6 | 45 | |
184c6873 NB |
46 | #define MSEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MILLISEC)) |
47 | #define NSEC2MSEC(n) ((n) / (NANOSEC / MILLISEC)) | |
48 | ||
82f2f1a3 | 49 | #define hz HZ |
79b31f36 | 50 | |
82f2f1a3 BB |
51 | #define TIMESPEC_OVERFLOW(ts) \ |
52 | ((ts)->tv_sec < TIME_MIN || (ts)->tv_sec > TIME_MAX) | |
79b31f36 | 53 | |
82f2f1a3 BB |
54 | static inline void |
55 | gethrestime(timestruc_t *now) | |
56 | { | |
47af4b76 | 57 | *now = current_kernel_time(); |
82f2f1a3 | 58 | } |
79b31f36 | 59 | |
82f2f1a3 | 60 | static inline time_t |
ee476682 | 61 | gethrestime_sec(void) |
62 | { | |
82f2f1a3 | 63 | struct timespec ts; |
47af4b76 | 64 | ts = current_kernel_time(); |
82f2f1a3 | 65 | return (ts.tv_sec); |
ee476682 | 66 | } |
f1ca4da6 | 67 | |
82f2f1a3 BB |
68 | static inline hrtime_t |
69 | gethrtime(void) | |
70 | { | |
71 | struct timespec now; | |
72 | getrawmonotonic(&now); | |
73 | return (((hrtime_t)now.tv_sec * NSEC_PER_SEC) + now.tv_nsec); | |
74 | } | |
a4a1e1ec | 75 | |
09b414e8 | 76 | #endif /* _SPL_TIME_H */ |