no need to take precautiono for how things were before 7.16.0 since that

this function returns. Otherwise it will contain the higher descriptor number

libcurl set.

You should also be aware that when doing select(), you should consider using a

rather small (single-digit number of seconds) timeout and call

\fIcurl_multi_perform\fP regularly - even if no activity has been seen on the

fd_sets - as otherwise libcurl-internal retries and timeouts may not work as

you'd think and want.

Starting with libcurl 7.16.0, you should use \fBcurl_multi_timeout\fP to

figure out how long to wait for action.

When doing select(), you should use \fBcurl_multi_timeout\fP to figure out how

long to wait for action. Call \fIcurl_multi_perform\fP even if no activity has

been seen on the fd_sets after the timeout expires as otherwise internal

retries and timeouts may not work as you'd think and want.

.SH RETURN VALUE

CURLMcode type, general libcurl multi interface error code. See

\fIlibcurl-errors(3)\fP