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Diffstat (limited to 'ares/ares_process.3')
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diff --git a/ares/ares_process.3 b/ares/ares_process.3 deleted file mode 100644 index c9cd5477f..000000000 --- a/ares/ares_process.3 +++ /dev/null @@ -1,81 +0,0 @@ -.\" $Id$ -.\" -.\" Copyright 1998 by the Massachusetts Institute of Technology. -.\" -.\" Permission to use, copy, modify, and distribute this -.\" software and its documentation for any purpose and without -.\" fee is hereby granted, provided that the above copyright -.\" notice appear in all copies and that both that copyright -.\" notice and this permission notice appear in supporting -.\" documentation, and that the name of M.I.T. not be used in -.\" advertising or publicity pertaining to distribution of the -.\" software without specific, written prior permission. -.\" M.I.T. makes no representations about the suitability of -.\" this software for any purpose. It is provided "as is" -.\" without express or implied warranty. -.\" -.TH ARES_PROCESS 3 "25 July 1998" -.SH NAME -ares_process \- Process events for name resolution -.SH SYNOPSIS -.nf -.B #include <ares.h> -.PP -.B void ares_process(ares_channel \fIchannel\fP, fd_set *\fIread_fds\fP, -.B fd_set *\fIwrite_fds\fP) -.fi -.PP -.B void ares_process_fd(ares_channel \fIchannel\fP, -.B ares_socket_t \fIread_fd\fP, -.B ares_socket_t \fIwrite_fd\fP) -.fi -.SH DESCRIPTION -The \fBares_process(3)\fP function handles input/output events and timeouts -associated with queries pending on the name service channel identified by -.IR channel . -The file descriptor sets pointed to by \fIread_fds\fP and \fIwrite_fds\fP -should have file descriptors set in them according to whether the file -descriptors specified by \fIares_fds(3)\fP are ready for reading and writing. -(The easiest way to determine this information is to invoke -.B select -with a timeout no greater than the timeout given by \fIares_timeout(3)\fP ). -.PP -The -.B ares_process -function will invoke callbacks for pending queries if they complete -successfully or fail. - -\fBares_process_fd(3)\fP works the same way but acts and operates only on the -specific file descriptors (sockets) you pass in to the function. Use -ARES_SOCKET_BAD for "no action". This function is of course provided to allow -users of c-ares to void select() in their applications and within c-ares. -.SS EXAMPLE -The following code fragment waits for all pending queries on a channel -to complete: -.PP -.RS -.nf -int nfds, count; -fd_set readers, writers; -struct timeval tv, *tvp; - -while (1) - { - FD_ZERO(&readers); - FD_ZERO(&writers); - nfds = ares_fds(channel, &readers, &writers); - if (nfds == 0) - break; - tvp = ares_timeout(channel, NULL, &tv); - count = select(nfds, &readers, &writers, NULL, tvp); - ares_process(channel, &readers, &writers); - } -.fi -.RE -.SH SEE ALSO -.BR ares_fds (3), -.BR ares_timeout (3) -.SH AUTHOR -Greg Hudson, MIT Information Systems -.br -Copyright 1998 by the Massachusetts Institute of Technology. |