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Mention more restrictions on timeouts when using signals

This commit is contained in:
Dan Fandrich 2008-10-28 23:48:05 +00:00
parent f0bb9c7d8d
commit 9c86097286
1 changed files with 13 additions and 7 deletions
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20
docs/libcurl/curl_easy_setopt.3
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@ -21,7 +21,7 @@
.\" * $Id$
.\" **************************************************************************
.\"
.TH curl_easy_setopt 3 "16 Oct 2008" "libcurl 7.19.1" "libcurl Manual"
.TH curl_easy_setopt 3 "28 Oct 2008" "libcurl 7.19.1" "libcurl Manual"
.SH NAME
curl_easy_setopt \- set options for a curl easy handle
.SH SYNOPSIS
@ -81,8 +81,10 @@ process. This option is mainly here to allow multi-threaded unix applications
to still set/use all timeout options etc, without risking getting signals.
(Added in 7.10)
If this option is set and libcurl has been built with the standard name
resolver, timeouts will not occur while the name resolve takes place.
Consider building libcurl with ares support to enable asynchronous DNS
lookups. It enables nice timeouts for name resolves without signals.
lookups, which enables nice timeouts for name resolves without signals.
.PP
.SH CALLBACK OPTIONS
.IP CURLOPT_WRITEFUNCTION
@ -1300,8 +1302,10 @@ In unix-like systems, this might cause signals to be used unless
\fICURLOPT_NOSIGNAL\fP is set.
.IP CURLOPT_TIMEOUT_MS
Like \fICURLOPT_TIMEOUT\fP but takes number of milliseconds instead. If
libcurl is built to use the standard system name resolver, that part will
still use full-second resolution for timeouts. (Added in 7.16.2)
libcurl is built to use the standard system name resolver, that portion
of the transfer will still use full-second resolution for timeouts with
a minimum timeout allowed of one second.
(Added in 7.16.2)
.IP CURLOPT_LOW_SPEED_LIMIT
Pass a long as parameter. It contains the transfer speed in bytes per second
that the transfer should be below during \fICURLOPT_LOW_SPEED_TIME\fP seconds
@ -1364,9 +1368,11 @@ timeouts). See also the \fICURLOPT_TIMEOUT\fP option.
In unix-like systems, this might cause signals to be used unless
\fICURLOPT_NOSIGNAL\fP is set.
.IP CURLOPT_CONNECTTIMEOUT_MS
Like \fICURLOPT_CONNECTTIMEOUT\fP but takes number of milliseconds instead. If
libcurl is built to use the standard system name resolver, that part will
still use full-second resolution for timeouts. (Added in 7.16.2)
Like \fICURLOPT_CONNECTTIMEOUT\fP but takes the number of milliseconds
instead. If libcurl is built to use the standard system name resolver,
that portion of the connect will still use full-second resolution for
timeouts with a minimum timeout allowed of one second.
(Added in 7.16.2)
.IP CURLOPT_IPRESOLVE
Allows an application to select what kind of IP addresses to use when
resolving host names. This is only interesting when using host names that