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be specific about what max_fd contains after a call

This commit is contained in:
Daniel Stenberg 2005-04-25 08:55:55 +00:00
parent a8ff0a21bf
commit 6e1633a6c5
1 changed files with 5 additions and 1 deletions
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6
docs/libcurl/curl_multi_fdset.3
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@ -1,6 +1,6 @@
.\" $Id$
.\"
.TH curl_multi_fdset 3 "18 Apr 2005" "libcurl 7.9.5" "libcurl Manual"
.TH curl_multi_fdset 3 "25 Apr 2005" "libcurl 7.9.5" "libcurl Manual"
.SH NAME
curl_multi_fdset - extracts file descriptor information from a multi handle
.SH SYNOPSIS
@ -21,6 +21,10 @@ but be sure to FD_ZERO them before calling this function as
otherwise remove any other. The \fIcurl_multi_perform(3)\fP function should be
called as soon as one of them are ready to be read from or written to.
If no file descriptors are set by libcurl, \fImax_fd\fP will contain -1 when
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