Mercurial > dovecot > original-hg > dovecot-1.2
changeset 5328:239ccb49852c HEAD
If timeout wait time was less than 1 millisecond, we wasted CPU calling
poll() (or whatever) with zero timeout multiple times until the millisecond
had passed. Now we round the waits up to next millisecond.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Thu, 15 Mar 2007 16:28:00 +0200 |
| parents | 0c92499643ec |
| children | a065a71da7d7 |
| files | src/lib/ioloop.c |
| diffstat | 1 files changed, 4 insertions(+), 2 deletions(-) [+] |
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--- a/src/lib/ioloop.c Thu Mar 15 15:59:13 2007 +0200 +++ b/src/lib/ioloop.c Thu Mar 15 16:28:00 2007 +0200 @@ -171,8 +171,10 @@ tv->tv_usec += 1000000; } - if (tv->tv_sec > 0 || (tv->tv_sec == 0 && tv->tv_usec > 0)) - return tv->tv_sec*1000 + tv->tv_usec/1000; + if (tv->tv_sec > 0 || (tv->tv_sec == 0 && tv->tv_usec > 0)) { + /* round wait times up to next millisecond */ + return tv->tv_sec * 1000 + (tv->tv_usec + 999) / 1000; + } /* no need to calculate the times again with this timeout */ tv->tv_sec = tv->tv_usec = 0;