From 3b19c7d0d9933b9e75577b0f2e6e58d26f28f1bf Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Thu, 9 Feb 2006 22:25:41 +0000 Subject: [PATCH] CURLOPT_NOSIGNAL might be a MUST to make threaded use work, like on AIX 5.2 due to the use of the static variable for sigsetjmp() --- docs/libcurl/libcurl-tutorial.3 | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/docs/libcurl/libcurl-tutorial.3 b/docs/libcurl/libcurl-tutorial.3 index 0045cfe26..63b834148 100644 --- a/docs/libcurl/libcurl-tutorial.3 +++ b/docs/libcurl/libcurl-tutorial.3 @@ -5,7 +5,7 @@ .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * -.\" * Copyright (C) 1998 - 2005, Daniel Stenberg, , et al. +.\" * Copyright (C) 1998 - 2006, Daniel Stenberg, , et al. .\" * .\" * This software is licensed as described in the file COPYING, which .\" * you should have received as part of this distribution. The terms @@ -267,11 +267,13 @@ GnuTLS http://www.gnu.org/software/gnutls/manual/html_node/Multi_002dthreaded-applications.html -When using multiple threads you should set the CURLOPT_NOSIGNAL option to -TRUE for all handles. Everything will work fine except that timeouts are not -honored during the DNS lookup - which you can work around by building libcurl -with c-ares support. c-ares is a library that provides asynchronous name -resolves. Unfortunately, c-ares does not yet support IPv6. +When using multiple threads you should set the CURLOPT_NOSIGNAL option to TRUE +for all handles. Everything will or might work fine except that timeouts are +not honored during the DNS lookup - which you can work around by building +libcurl with c-ares support. c-ares is a library that provides asynchronous +name resolves. Unfortunately, c-ares does not yet fully support IPv6. On some +platforms, libcurl simply will not function properly multi-threaded unless +this option is set. Also, note that CURLOPT_DNS_USE_GLOBAL_CACHE is not thread-safe.