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time64: Add time64.h header and define struct timespec64

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Define the timespec64 structure and standard helper functions.

[ tglx: Make it 32bit only. 64bit really can map timespec to timespec64 ]

Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
John Stultz 2014-07-16 21:03:58 +00:00
parent b17b20d70d
commit 361a3bf005
2 changed files with 163 additions and 14 deletions
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15
include/linux/time.h
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@ -4,25 +4,12 @@
# include <linux/cache.h>
# include <linux/seqlock.h>
# include <linux/math64.h>
#include <uapi/linux/time.h>
# include <linux/time64.h>
extern struct timezone sys_tz;
/* Parameters used to convert the timespec values: */
#define MSEC_PER_SEC 1000L
#define USEC_PER_MSEC 1000L
#define NSEC_PER_USEC 1000L
#define NSEC_PER_MSEC 1000000L
#define USEC_PER_SEC 1000000L
#define NSEC_PER_SEC 1000000000L
#define FSEC_PER_SEC 1000000000000000LL
#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1)
/* Located here for timespec_valid_strict */
#define KTIME_MAX ((s64)~((u64)1 << 63))
#define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC)
static inline int timespec_equal(const struct timespec *a,
const struct timespec *b)
{