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[MINOR] add new tv_* functions

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The most useful, tv_add_ifset only adds the increment if it is set. It
is designed for use in expiration computation.
This commit is contained in:
Willy Tarreau 2007-05-13 16:03:27 +02:00
parent d825eef9c5
commit 0481c20e66
2 changed files with 66 additions and 19 deletions
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28
include/common/time.h
View File

@ -157,6 +157,7 @@ REGPRM2 static inline int __tv_cmp(const struct timeval *tv1, const struct timev
}
/* tv_iseq: compares <tv1> and <tv2> : returns 1 if tv1 == tv2, otherwise 0 */
#define tv_iseq __tv_iseq
REGPRM2 static inline int __tv_iseq(const struct timeval *tv1, const struct timeval *tv2)
{
return ((unsigned)tv1->tv_sec == (unsigned)tv2->tv_sec) &&
@ -164,6 +165,8 @@ REGPRM2 static inline int __tv_iseq(const struct timeval *tv1, const struct time
}
/* tv_isgt: compares <tv1> and <tv2> : returns 1 if tv1 > tv2, otherwise 0 */
#define tv_isgt _tv_isgt
REGPRM2 int _tv_isgt(const struct timeval *tv1, const struct timeval *tv2);
REGPRM2 static inline int __tv_isgt(const struct timeval *tv1, const struct timeval *tv2)
{
return
@ -173,6 +176,7 @@ REGPRM2 static inline int __tv_isgt(const struct timeval *tv1, const struct time
}
/* tv_isge: compares <tv1> and <tv2> : returns 1 if tv1 >= tv2, otherwise 0 */
#define tv_isge __tv_isge
REGPRM2 static inline int __tv_isge(const struct timeval *tv1, const struct timeval *tv2)
{
return
@ -182,6 +186,7 @@ REGPRM2 static inline int __tv_isge(const struct timeval *tv1, const struct time
}
/* tv_islt: compares <tv1> and <tv2> : returns 1 if tv1 < tv2, otherwise 0 */
#define tv_islt __tv_islt
REGPRM2 static inline int __tv_islt(const struct timeval *tv1, const struct timeval *tv2)
{
return
@ -191,6 +196,8 @@ REGPRM2 static inline int __tv_islt(const struct timeval *tv1, const struct time
}
/* tv_isle: compares <tv1> and <tv2> : returns 1 if tv1 <= tv2, otherwise 0 */
#define tv_isle _tv_isle
REGPRM2 int _tv_isle(const struct timeval *tv1, const struct timeval *tv2);
REGPRM2 static inline int __tv_isle(const struct timeval *tv1, const struct timeval *tv2)
{
return
@ -328,7 +335,7 @@ REGPRM2 static inline unsigned long __tv_ms_remain2(const struct timeval *tv1, c
/*
* adds <inc> to <from>, set the result to <tv> and returns a pointer <tv>
*/
#define tv_add __tv_add
#define tv_add _tv_add
REGPRM3 struct timeval *_tv_add(struct timeval *tv, const struct timeval *from, const struct timeval *inc);
REGPRM3 static inline struct timeval *__tv_add(struct timeval *tv, const struct timeval *from, const struct timeval *inc)
{
@ -342,6 +349,25 @@ REGPRM3 static inline struct timeval *__tv_add(struct timeval *tv, const struct
}
/*
* If <inc> is set, then add it to <from> and set the result to <tv>, then
* return 1, otherwise return 0. It is meant to be used in if conditions.
*/
#define tv_add_ifset _tv_add_ifset
REGPRM3 int _tv_add_ifset(struct timeval *tv, const struct timeval *from, const struct timeval *inc);
REGPRM3 static inline int __tv_add_ifset(struct timeval *tv, const struct timeval *from, const struct timeval *inc)
{
if (tv_iseternity(inc))
return 0;
tv->tv_usec = from->tv_usec + inc->tv_usec;
tv->tv_sec = from->tv_sec + inc->tv_sec;
if (tv->tv_usec >= 1000000) {
tv->tv_usec -= 1000000;
tv->tv_sec++;
}
return 1;
}
/*
* adds <inc> to <tv> and returns a pointer <tv>
*/

21
src/time.c
View File

@ -102,6 +102,15 @@ REGPRM3 struct timeval *_tv_add(struct timeval *tv, const struct timeval *from,
return __tv_add(tv, from, inc);
}
/*
* If <inc> is set, then add it to <from> and set the result to <tv>, then
* return 1, otherwise return 0. It is meant to be used in if conditions.
*/
REGPRM3 int _tv_add_ifset(struct timeval *tv, const struct timeval *from, const struct timeval *inc)
{
return __tv_add_ifset(tv, from, inc);
}
/*
* Computes the remaining time between tv1=now and event=tv2. if tv2 is passed,
* 0 is returned. The result is stored into tv.
@ -121,6 +130,18 @@ REGPRM3 struct timeval *_tv_remain2(const struct timeval *tv1, const struct time
return __tv_remain2(tv1, tv2, tv);
}
/* tv_isle: compares <tv1> and <tv2> : returns 1 if tv1 <= tv2, otherwise 0 */
REGPRM2 int _tv_isle(const struct timeval *tv1, const struct timeval *tv2)
{
return __tv_isle(tv1, tv2);
}
/* tv_isgt: compares <tv1> and <tv2> : returns 1 if tv1 > tv2, otherwise 0 */
REGPRM2 int _tv_isgt(const struct timeval *tv1, const struct timeval *tv2)
{
return __tv_isgt(tv1, tv2);
}
/*
* Local variables:
* c-indent-level: 8