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Add timeval_compare helper function 

Change-Id: Id75727a150912ff778a4fa32ad56467da33a6324
Signed-off-by: Christopher Head <chead@zaber.com>
Reviewed-on: http://openocd.zylin.com/4379
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
This commit is contained in:
Christopher Head 2018-01-24 14:22:37 -08:00 committed by Freddie Chopin
parent e22c6484ea
commit e0fc7a54f2
2 changed files with 16 additions and 0 deletions
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15
src/helper/time_support.c
View File

@ -62,6 +62,21 @@ int timeval_add_time(struct timeval *result, long sec, long usec)
return 0;
}
/* compare two timevals and return -1/0/+1 accordingly */
int timeval_compare(const struct timeval *x, const struct timeval *y)
{
if (x->tv_sec < y->tv_sec)
return -1;
else if (x->tv_sec > y->tv_sec)
return 1;
else if (x->tv_usec < y->tv_usec)
return -1;
else if (x->tv_usec > y->tv_usec)
return 1;
else
return 0;
}
int duration_start(struct duration *duration)
{
return gettimeofday(&duration->start, NULL);

1
src/helper/time_support.h
View File

@ -38,6 +38,7 @@
int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
int timeval_add_time(struct timeval *result, long sec, long usec);
int timeval_compare(const struct timeval *x, const struct timeval *y);
/** @returns gettimeofday() timeval as 64-bit in ms */
int64_t timeval_ms(void);