kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-10-09 14:36:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

add a library of timeval manipulation functions, and change a large number of usses to use the new functions (bug #4504)

Browse Source 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6146 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-07-15 23:00:47 +00:00
parent 60cd1fa57d
commit 22b0f5d306
39 changed files with 420 additions and 635 deletions
Download Patch File Download Diff File Expand all files Collapse all files

100
include/asterisk/time.h
View File

@@ -23,9 +23,105 @@
* \return the difference in milliseconds
*/
AST_INLINE_API(
int ast_tvdiff_ms(const struct timeval *end, const struct timeval *start),
int ast_tvdiff_ms(struct timeval end, struct timeval start),
{
return ((end->tv_sec - start->tv_sec) * 1000) + ((end->tv_usec - start->tv_usec) / 1000);
return ((end.tv_sec - start.tv_sec) * 1000) + ((end.tv_usec - start.tv_usec) / 1000);
}
)
/*!
* \brief Returns true if the argument is 0,0
*/
AST_INLINE_API(
int ast_tvzero(const struct timeval t),
{
return (t.tv_sec == 0 && t.tv_usec == 0);
}
)
/*!
* \brief Compres two \c struct \c timeval instances returning
* -1, 0, 1 if the first arg is smaller, equal or greater to the second.
*/
AST_INLINE_API(
int ast_tvcmp(struct timeval _a, struct timeval _b),
{
if (_a.tv_sec < _b.tv_sec)
return -1;
if (_a.tv_sec > _b.tv_sec)
return 1;
/* now seconds are equal */
if (_a.tv_usec < _b.tv_usec)
return -1;
if (_a.tv_usec > _b.tv_usec)
return 1;
return 0;
}
)
/*!
* \brief Returns true if the two \c struct \c timeval arguments are equal.
*/
AST_INLINE_API(
int ast_tveq(struct timeval _a, struct timeval _b),
{
return (_a.tv_sec == _b.tv_sec && _a.tv_usec == _b.tv_usec);
}
)
/*!
* \brief Returns current timeval. Meant to replace calls to gettimeofday().
*/
AST_INLINE_API(
struct timeval ast_tvnow(void),
{
struct timeval t;
gettimeofday(&t, NULL);
return t;
}
)
/*!
* \brief Returns the sum of two timevals a + b
*/
struct timeval ast_tvadd(struct timeval a, struct timeval b);
/*!
* \brief Returns the difference of two timevals a - b
*/
struct timeval ast_tvsub(struct timeval a, struct timeval b);
/*!
* \brief Returns a timeval from sec, usec
*/
#if 0
AST_INLINE_API(
struct timeval ast_tv(int sec, int usec),
{
struct timeval t = { sec, usec};
return t;
}
)
#endif
AST_INLINE_API(
struct timeval ast_tv(int sec, int usec),
{
struct timeval t;
t.tv_sec = sec;
t.tv_usec = usec;
return t;
}
)
/*!
* \brief Returns a timeval corresponding to the duration of n samples at rate r.
* Useful to convert samples to timevals, or even milliseconds to timevals
* in the form ast_samp2tv(milliseconds, 1000)
*/
AST_INLINE_API(
struct timeval ast_samp2tv(long _nsamp, long _rate),
{
return ast_tv(_nsamp / _rate, (_nsamp % _rate) * (1000000 / _rate));
}
)