85 lines
3.4 KiB
C
85 lines
3.4 KiB
C
/*********************************************************************************************************
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* Software License Agreement (BSD License) *
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* Author: Sebastien Decugis <sdecugis@freediameter.net> *
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* *
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* Copyright (c) 2013, WIDE Project and NICT *
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* All rights reserved. *
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* *
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* Redistribution and use of this software in source and binary forms, with or without modification, are *
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* permitted provided that the following conditions are met: *
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* *
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* * Redistributions of source code must retain the above *
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* copyright notice, this list of conditions and the *
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* following disclaimer. *
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* *
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* * Redistributions in binary form must reproduce the above *
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* copyright notice, this list of conditions and the *
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* following disclaimer in the documentation and/or other *
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* materials provided with the distribution. *
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* *
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* * Neither the name of the WIDE Project or NICT nor the *
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* names of its contributors may be used to endorse or *
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* promote products derived from this software without *
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* specific prior written permission of WIDE Project and *
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* NICT. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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*********************************************************************************************************/
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#include "fdcore-internal.h"
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/* The global message queues */
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struct fifo * fd_g_incoming = NULL;
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struct fifo * fd_g_outgoing = NULL;
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struct fifo * fd_g_local = NULL;
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/* Initialize the message queues. */
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int fd_queues_init(void)
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{
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TRACE_ENTRY();
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CHECK_FCT( fd_fifo_new ( &fd_g_incoming, 20 ) );
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CHECK_FCT( fd_fifo_new ( &fd_g_outgoing, 30 ) );
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CHECK_FCT( fd_fifo_new ( &fd_g_local, 25 ) );
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return 0;
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}
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/* Destroy a queue after emptying it (and dumping the content) */
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int fd_queues_fini(struct fifo ** queue)
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{
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struct msg * msg;
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int ret = 0;
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TRACE_ENTRY("%p", queue);
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/* Note : the threads that post into this queue should already been stopped before this !!! */
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CHECK_PARAMS(queue);
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if (*queue == NULL)
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return 0; /* the queue was not already initialized */
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/* Empty all contents */
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while (1) {
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/* Check if there is a message in the queue */
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ret = fd_fifo_tryget(*queue, &msg);
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if (ret == EWOULDBLOCK)
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break;
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CHECK_FCT(ret);
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/* We got one! */
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fd_hook_call(HOOK_MESSAGE_DROPPED, msg, NULL, "Message lost because framework is terminating.", fd_msg_pmdl_get(msg));
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fd_msg_free(msg);
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}
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/* Now, delete the empty queue */
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CHECK_FCT( fd_fifo_del ( queue ) );
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return 0;
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}
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