121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/*-
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* Copyright (c) 2017-2020 Carsten Sonne Larsen <cs@innolan.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "config.h"
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#include "global.h"
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#include "message.h"
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#include "mem.h"
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void SendMessage(long type)
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{
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SendMessageTo(Ports.BrokerPort, Ports.MemoryPort, type);
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}
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void SendMessageTo(struct MsgPort *dest, struct MsgPort *reply, long type)
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{
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Forbid();
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if (dest != NULL && reply != NULL)
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{
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struct ApplicationMesage *message = AllocStructSafe(struct ApplicationMesage);
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message->Msg.mn_Node.ln_Type = NT_MESSAGE;
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message->Msg.mn_Length = sizeof(struct ApplicationMesage);
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message->Msg.mn_ReplyPort = reply;
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message->MsgType = MSGTYPE_APP;
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message->MsgId = type;
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PutMsg(dest, (struct Message *)message);
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}
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Permit();
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}
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void SendMessageWait(struct MsgPort *dest, long type)
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{
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struct MsgPort *replyPort;
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if (dest == NULL)
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{
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return;
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}
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replyPort = CreateMsgPort();
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if (replyPort)
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{
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struct Message *msg;
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SendMessageTo(dest, replyPort, type);
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WaitPort(replyPort);
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msg = GetMsg(replyPort);
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DeleteMsgPort(replyPort);
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FreeMemSafe(msg);
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}
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}
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void CleanupVolMsgPort(struct MsgPort *volatile *port)
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{
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struct MsgPort *msgPort;
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bool exist = true;
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Forbid();
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if (*port == NULL)
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{
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exist = false;
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}
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else
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{
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msgPort = *port;
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*port = NULL;
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}
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Permit();
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if (exist)
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{
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struct Message *msg;
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while ((msg = GetMsg(msgPort)))
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{
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ReplyMsg(msg);
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}
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DeleteMsgPort(msgPort);
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}
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}
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void CleanupMsgPort(struct MsgPort **port)
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{
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struct Message *msg;
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struct MsgPort *msgPort = *port;
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if (*port == NULL)
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{
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return;
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}
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*port = NULL;
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while ((msg = GetMsg(msgPort)))
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{
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ReplyMsg(msg);
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}
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DeleteMsgPort(msgPort);
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}
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