Mercurial > dovecot > core-2.2
changeset 12713:16ce45dbcb53
ioloop: Use -1 for infinite poll/epoll timeout rather than INT_MAX.
Should improve performance a tiny bit and also works around a CPU eater bug
in Linux 2.6.37.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Wed, 26 Jan 2011 21:47:52 +0200 |
| parents | fc02e620204d |
| children | 7ec1982fb275 |
| files | src/lib/ioloop.c |
| diffstat | 1 files changed, 3 insertions(+), 2 deletions(-) [+] |
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--- a/src/lib/ioloop.c Tue Jan 25 00:32:50 2011 +0200 +++ b/src/lib/ioloop.c Wed Jan 26 21:47:52 2011 +0200 @@ -252,11 +252,12 @@ item = priorityq_peek(ioloop->timeouts); timeout = (struct timeout *)item; if (timeout == NULL) { - /* no timeouts. give it INT_MAX msecs. */ + /* no timeouts. use INT_MAX msecs for timeval and + return -1 for poll/epoll infinity. */ tv_r->tv_sec = INT_MAX / 1000; tv_r->tv_usec = 0; ioloop->next_max_time = (1ULL << (TIME_T_MAX_BITS-1)) - 1; - return INT_MAX; + return -1; } tv_now.tv_sec = 0;