curl_easy_cleanup: clarify the callback situation

This commit is contained in:
Daniel Stenberg 2011-08-11 14:54:44 +02:00
parent 448f982d54
commit 784971743d
1 changed files with 10 additions and 3 deletions

View File

@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
@ -37,8 +37,15 @@ This will effectively close all connections this handle has used and possibly
has kept open until now. Don't call this function if you intend to transfer
more files.
Any uses of the \fBhandle\fP after this function has been called are
illegal. This kills the handle and all memory associated with it!
Occasionally you may get your progress callback or header callback called from
within \fIcurl_easy_cleanup(3)\fP (if previously set for the handle using
\fIcurl_easy_setopt(3)\fP). Like if libcurl decides to shut down the
connection and the protocol is of a kind that requires a command/response
sequence before disconnect. Examples of such protocols are FTP, POP3 and IMAP.
Any uses of the \fBhandle\fP after this function has been called and have
returned, are illegal. This kills the handle and all memory associated with
it!
With libcurl versions prior to 7.17.: when you've called this, you can safely
remove all the strings you've previously told libcurl to use, as it won't use