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/*
This file is part of libmicrohttpd
Copyright (C) 2007-2018 Daniel Pittman and Christian Grothoff
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file lib/daemon_get_fdset.c
* @brief function to get select() fdset of a daemon
* @author Christian Grothoff
*/
#include "internal.h"
/**
* We defined a macro with the same name as a function we
* are implementing here. Need to undef the macro to avoid
* causing a conflict.
*/
#undef MHD_daemon_get_fdset
/**
* Obtain the `select()` sets for this daemon. Daemon's FDs will be
* added to fd_sets. To get only daemon FDs in fd_sets, call FD_ZERO
* for each fd_set before calling this function. FD_SETSIZE is assumed
* to be platform's default.
*
* This function should only be called in when MHD is configured to
* use external select with 'select()' or with 'epoll'. In the latter
* case, it will only add the single 'epoll()' file descriptor used by
* MHD to the sets. It's necessary to use #MHD_get_timeout() in
* combination with this function.
*
* This function must be called only for daemon started without
* #MHD_USE_INTERNAL_POLLING_THREAD flag.
*
* @param daemon daemon to get sets from
* @param read_fd_set read set
* @param write_fd_set write set
* @param except_fd_set except set
* @param max_fd increased to largest FD added (if larger
* than existing value); can be NULL
* @return #MHD_SC_OK on success, otherwise error code
* @ingroup event
*/
enum MHD_StatusCode
MHD_daemon_get_fdset (struct MHD_Daemon *daemon,
fd_set *read_fd_set,
fd_set *write_fd_set,
fd_set *except_fd_set,
MHD_socket *max_fd)
{
return -1;
}
/**
* Obtain the `select()` sets for this daemon. Daemon's FDs will be
* added to fd_sets. To get only daemon FDs in fd_sets, call FD_ZERO
* for each fd_set before calling this function.
*
* Passing custom FD_SETSIZE as @a fd_setsize allow usage of
* larger/smaller than platform's default fd_sets.
*
* This function should only be called in when MHD is configured to
* use external select with 'select()' or with 'epoll'. In the latter
* case, it will only add the single 'epoll' file descriptor used by
* MHD to the sets. It's necessary to use #MHD_get_timeout() in
* combination with this function.
*
* This function must be called only for daemon started
* without #MHD_USE_INTERNAL_POLLING_THREAD flag.
*
* @param daemon daemon to get sets from
* @param read_fd_set read set
* @param write_fd_set write set
* @param except_fd_set except set
* @param max_fd increased to largest FD added (if larger
* than existing value); can be NULL
* @param fd_setsize value of FD_SETSIZE
* @return #MHD_SC_OK on success, otherwise error code
* @ingroup event
*/
enum MHD_StatusCode
MHD_daemon_get_fdset2 (struct MHD_Daemon *daemon,
fd_set *read_fd_set,
fd_set *write_fd_set,
fd_set *except_fd_set,
MHD_socket *max_fd,
unsigned int fd_setsize)
{
return -1;
}
/* end of daemon_get_fdset.c */
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