2002-03-04 05:09:48 -05:00
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.\" $Id$
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.\"
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2002-05-02 18:34:31 -04:00
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.TH curl_multi_fdset 3 "3 May 2002" "libcurl 7.9.5" "libcurl Manual"
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.SH NAME
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2002-10-15 04:39:30 -04:00
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curl_multi_fdset - extracts file descriptor information from a multi handle
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLMcode curl_multi_fdset(CURLM *multi_handle,
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fd_set *read_fd_set,
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fd_set *write_fd_set,
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fd_set *exc_fd_set,
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int *max_fd);
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.ad
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.SH DESCRIPTION
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This function extracts file descriptor information from a given multi_handle.
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libcurl returns its fd_set sets. The application can use these to select()
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on. The \fIcurl_multi_perform(3)\fI function should be called as soon as one
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of them are ready to be read from or written to.
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2002-05-02 18:34:31 -04:00
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NOTE that once this call is made, you must not remove the sets you point to,
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as libcurl will need to be able to read them. It needs them after select()
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calls, to know if certain sockets are readable or writable.
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.SH RETURN VALUE
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CURLMcode type, general libcurl multi interface error code. See
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\fIlibcurl-errors(3)\fP
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.SH "SEE ALSO"
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.BR curl_multi_cleanup "(3)," curl_multi_init "(3)"
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