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[PATCH] x86_64: Add useful constants to time.h

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In timekeeping code, one often does need to use conversion constants. Naming
these leads to code that's easier to understand, showing the reader between
which units the conversion is made.

Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Vojtech Pavlik 2006-06-26 13:58:20 +02:00 committed by Linus Torvalds
parent f3fa8ebc25
commit 05ebb76109
1 changed files with 7 additions and 4 deletions
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11
include/linux/time.h
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@ -28,10 +28,13 @@ struct timezone {
#ifdef __KERNEL__
/* Parameters used to convert the timespec values: */
#define MSEC_PER_SEC 1000L
#define USEC_PER_SEC 1000000L
#define NSEC_PER_SEC 1000000000L
#define NSEC_PER_USEC 1000L
#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 1000000000000000L
static inline int timespec_equal(struct timespec *a, struct timespec *b)
{