X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fktime.h;h=dae7143644fe8b87c18aa1fb57e175d6f61865c2;hb=7616ee95f27a04fd5a6434e9ef4a82cec4b2807c;hp=c762954bda148fa18ab13f6d1f71aab26d2e3441;hpb=5884c40668a928bba017eaf54e2eb3c01c8a98e6;p=linux-2.6 diff --git a/include/linux/ktime.h b/include/linux/ktime.h index c762954bda..dae7143644 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -261,12 +261,34 @@ static inline s64 ktime_to_ns(const ktime_t kt) #endif +/** + * ktime_equal - Compares two ktime_t variables to see if they are equal + * @cmp1: comparable1 + * @cmp2: comparable2 + * + * Compare two ktime_t variables, returns 1 if equal + */ +static inline int ktime_equal(const ktime_t cmp1, const ktime_t cmp2) +{ + return cmp1.tv64 == cmp2.tv64; +} + static inline s64 ktime_to_us(const ktime_t kt) { struct timeval tv = ktime_to_timeval(kt); return (s64) tv.tv_sec * USEC_PER_SEC + tv.tv_usec; } +static inline s64 ktime_us_delta(const ktime_t later, const ktime_t earlier) +{ + return ktime_to_us(ktime_sub(later, earlier)); +} + +static inline ktime_t ktime_add_us(const ktime_t kt, const u64 usec) +{ + return ktime_add_ns(kt, usec * 1000); +} + /* * The resolution of the clocks. The resolution value is returned in * the clock_getres() system call to give application programmers an