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Nebula3 3 (Default branch)
01-30-2009
Nebula3 is multi-user Web file storage software. It's designed to be easy to use and fast, with a text-only interface. It helps you to share your files, organizes them using tags and descriptions, provides thumbnails for pictures, and more. |
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libcurl-share(3) libcurl share interface libcurl-share(3) NAME
libcurl-share - how to use the share interface DESCRIPTION
This is an overview on how to use the libcurl share interface in your C programs. There are specific man pages for each function mentioned in here. All functions in the share interface are prefixed with curl_share. OBJECTIVES
The share interface was added to enable sharing of data between curl "handles". ONE SET OF DATA - MANY TRANSFERS You can have multiple easy handles share data between them. Have them update and use the same cookie database or DNS cache! This way, each single transfer will take advantage from data updates made by the other transfer(s). SHARE OBJECT
You create a shared object with curl_share_init(3). It returns a handle for a newly created one. You tell the shared object what data you want it to share by using curl_share_setopt(3). Since you can use this share from multiple threads, and libcurl has no internal thread synchronization, you must provide mutex callbacks if you're using this multi-threaded. You set lock and unlock functions with curl_share_setopt(3) too. Then, you make an easy handle to use this share, you set the CURLOPT_SHARE option with curl_easy_setopt(3), and pass in share handle. You can make any number of easy handles share the same share handle. To make an easy handle stop using that particular share, you set CURLOPT_SHARE to NULL for that easy handle. To make a handle stop sharing a particular data, you can CURLSHOPT_UNSHARE it. When you're done using the share, make sure that no easy handle is still using it, and call curl_share_cleanup(3) on the handle. SEE ALSO
curl_share_init(3), curl_share_setopt(3), curl_share_cleanup(3) libcurl 7.10.7 8 Aug 2003 libcurl-share(3)