diff options
| author | Daniel Stenberg <daniel@haxx.se> | 2008-07-10 22:24:11 +0000 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2008-07-10 22:24:11 +0000 |
| commit | 6b7ccde1567f401018144e9fa9fcaa63616df338 (patch) | |
| tree | 969a9e0fe9f3b3ba57ba9be8a97045193b30f747 /docs/libcurl | |
| parent | 9b0fd007fd342ccb28ce3ea636052a9e43a5a922 (diff) | |
(Added in the section for CURLOPT_DNS_CACHE_TIMEOUT, pointed out on the
curl-library list on July 9th 2008 by Mathew Hounsell)
NOTE: the name resolve functions of various libc implementations don't re-read
name server information unless explicitly told so (by for example calling
Ires_init(3). This may cause libcurl to keep using the older server even
if DHCP has updated the server info, and this may look like a DNS cache issue
to the casual libcurl-app user.
Diffstat (limited to 'docs/libcurl')
| -rw-r--r-- | docs/libcurl/curl_easy_setopt.3 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3 index 92056b589..f389f98b4 100644 --- a/docs/libcurl/curl_easy_setopt.3 +++ b/docs/libcurl/curl_easy_setopt.3 @@ -505,6 +505,12 @@ Pass a long, this sets the timeout in seconds. Name resolves will be kept in memory for this number of seconds. Set to zero (0) to completely disable caching, or set to -1 to make the cached entries remain forever. By default, libcurl caches this info for 60 seconds. + +NOTE: the name resolve functions of various libc implementations don't re-read +name server information unless explicitly told so (by for example calling +\fIres_init(3)\fP. This may cause libcurl to keep using the older server even +if DHCP has updated the server info, and this may look like a DNS cache issue +to the casual libcurl-app user. .IP CURLOPT_DNS_USE_GLOBAL_CACHE Pass a long. If the value is non-zero, it tells curl to use a global DNS cache that will survive between easy handle creations and deletions. This is not |