additional info

docs/libcurl/curl_multi_add_handle.3

@@ -14,6 +14,17 @@ this \fImulti_handle\fP control the specified \fIeasy_handle\fP.
 
 When an easy handle has been added to a multi stack, you can not and you must
 not use \fIcurl_easy_perform(3)\fP on that handle!
+
+The easy handle will remain added until you remove it again with
+\fIcurl_multi_remove_handle(3)\fP. You should remove the easy handle from the
+multi stack before you terminate first the easy handle and then the multi
+handle:
+
+1 - \fIcurl_multi_remove_handle(3)\fP
+
+2 - \fIcurl_easy_cleanup(3)\fP
+
+3 - \fIcurl_multi_cleanup(3)\fP
 .SH RETURN VALUE
 CURLMcode type, general libcurl multi interface error code.
 .SH "SEE ALSO"

docs/libcurl/curl_multi_cleanup.3

@@ -11,7 +11,16 @@ curl_multi_cleanup - close down a multi session
 .SH DESCRIPTION
 Cleans up and removes a whole multi stack. It does not free or touch any
 individual easy handles in any way - they still need to be closed
-individually, using the usual \fIcurl_easy_cleanup(3)\fP way.
+individually, using the usual \fIcurl_easy_cleanup(3)\fP way. The order of
+cleaning up should be:
+
+1 - \fIcurl_multi_remove_handle(3)\fP before any easy handles are cleaned up
+
+2 - \fIcurl_easy_cleanup(3)\fP can now be called independently since the easy
+handle is no longer connected to the multi handle
+
+3 - \fIcurl_multi_cleanup(3)\fP should be called when all easy handles are
+removed
 .SH RETURN VALUE
 CURLMcode type, general libcurl multi interface error code.
 .SH "SEE ALSO"

docs/libcurl/libcurl-errors.3

@@ -187,8 +187,19 @@ Requested FTP SSL level failed
 .SH "CURLMcode"
 This is the generic return code used by functions in the libcurl multi
 interface.
-
-This is left to be documented.
+.IP "CURLM_CALL_MULTI_PERFORM (-1)"
+This is not really an error. It means you should call
+\fIcurl_multi_perform(3)\fP again without doing select() or similar in between.
+.IP "CURLM_OK (0)"
+Things are fine.
+.IP "CURLM_BAD_HANDLE (1)"
+The passed-in handle is not a valid CURLM handle.
+.IP "CURLM_BAD_EASY_HANDLE (2)"
+An easy handle was not good/valid.
+.IP "CURLM_OUT_OF_MEMORY (3)"
+You are doomed.
+.IP "CURLM_INTERNAL_ERROR (4)"
+This can only be returned if libcurl bugs. Please report it to us!
 .SH "CURLSHcode"
 The "share" interface will return a CURLSHcode to indicate when an 
 error has occurred.