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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/request_resume.c
* @brief implementation of MHD_request_resume()
* @author Christian Grothoff
*/
#include "internal.h"
/**
* Resume handling of network data for suspended request. It is
* safe to resume a suspended request at any time. Calling this
* function on a request that was not previously suspended will
* result in undefined behavior.
*
* If you are using this function in ``external'' select mode, you must
* make sure to run #MHD_run() afterwards (before again calling
* #MHD_get_fdset(), as otherwise the change may not be reflected in
* the set returned by #MHD_get_fdset() and you may end up with a
* request that is stuck until the next network activity.
*
* @param request the request to resume
*/
void
MHD_request_resume (struct MHD_Request *request)
{
struct MHD_Daemon *daemon = request->daemon;
if (daemon->disallow_suspend_resume)
MHD_PANIC (_("Cannot resume connections without enabling MHD_ALLOW_SUSPEND_RESUME!\n"));
MHD_mutex_lock_chk_ (&daemon->cleanup_connection_mutex);
request->connection->resuming = true;
daemon->resuming = true;
MHD_mutex_unlock_chk_ (&daemon->cleanup_connection_mutex);
if ( (MHD_ITC_IS_VALID_(daemon->itc)) &&
(! MHD_itc_activate_ (daemon->itc,
"r")) )
{
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
MHD_SC_ITC_USE_FAILED,
_("Failed to signal resume via inter-thread communication channel."));
#endif
}
}
/* end of request_resume.c */
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