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NOSIGNAL, BUFFERSIZE and clarification for the PROGRESSFUNCTION

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This commit is contained in:
Daniel Stenberg 2002-08-21 19:04:08 +00:00
parent 904f579332
commit 6d7785a35b
1 changed files with 17 additions and 1 deletions
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18
docs/libcurl/curl_easy_setopt.3
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@ -2,7 +2,7 @@
.\" nroff -man [file]
.\" $Id$
.\"
.TH curl_easy_setopt 3 "5 Aug 2002" "libcurl 7.9.8" "libcurl Manual"
.TH curl_easy_setopt 3 "20 Aug 2002" "libcurl 7.9.9" "libcurl Manual"
.SH NAME
curl_easy_setopt - Set curl easy-session options
.SH SYNOPSIS
@ -513,6 +513,9 @@ Unknown/unused argument values will be set to zero (like if you only download
data, the upload size will remain 0). Returning a non-zero value from this
callback will cause libcurl to abort the transfer and return
\fICURLE_ABORTED_BY_CALLBACK\fP.
Also note that \fICURLOPT_NOPROGRESS\fP must be set to FALSE to make this
function actually get called.
.TP
.B CURLOPT_PROGRESSDATA
Pass a pointer that will be untouched by libcurl and passed as the first
@ -702,6 +705,19 @@ is. This funtion must return 0.
Pass a pointer to whatever you want passed in to your CURLOPT_DEBUGFUNCTION in
the last void * argument. This pointer is not used by libcurl, it is only
passed to the callback.
.TP
.B CURLOPT_BUFFERSIZE
Pass a long specifying your prefered size for the receive buffer in libcurl.
The main point of this would be that the write callback gets called more often
and with smaller chunks. This is just treated as a request, not an order. You
cannot be guaranteed to actually get the given size. (Added in 7.9.9)
.TP
.B CURLOPT_NOSIGNAL
Pass a long. If it is non-zero, libcurl will not use any functions that
install signal handlers or any functions that cause signals to be sent to the
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 7.9.9)
.PP
.SH RETURN VALUE
CURLE_OK (zero) means that the option was set properly, non-zero means an