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Add a couple of new time API calls - ast_tvdiff_sec and ast_tvdiff_usec

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(closes issue #11270)
Reported by: dimas
Patches:
      tvdiff_us-4.patch uploaded by dimas (license 88)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@94029 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-12-19 19:29:14 +00:00
parent 5e84c0554e
commit aea80ca3a4
1 changed files with 33 additions and 0 deletions
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33
include/asterisk/time.h
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@@ -36,6 +36,39 @@ extern struct timeval tv;
typedef typeof(tv.tv_sec) ast_time_t;
typedef typeof(tv.tv_usec) ast_suseconds_t;
/*!
* \brief Computes the difference (in seconds) between two \c struct \c timeval instances.
* \param end the end of the time period
* \param start the beginning of the time period
* \return the difference in seconds
*/
AST_INLINE_API(
int ast_tvdiff_sec(struct timeval end, struct timeval start),
{
int result = end.tv_sec - start.tv_sec;
if (result > 0 && end.tv_usec < start.tv_usec)
result--;
else if (result < 0 && end.tv_usec > start.tv_usec)
result++;
return result;
}
)
/*!
* \brief Computes the difference (in microseconds) between two \c struct \c timeval instances.
* \param end the end of the time period
* \param start the beginning of the time period
* \return the difference in microseconds
*/
AST_INLINE_API(
int64_t ast_tvdiff_us(struct timeval end, struct timeval start),
{
return (end.tv_sec - start.tv_sec) * (int64_t) 1000000 +
end.tv_usec - start.tv_usec;
}
)
/*!
* \brief Computes the difference (in milliseconds) between two \c struct \c timeval instances.
* \param end end of the time period