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- version39-41:1.1;
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- comment @ * @;
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- 1.1
- date 92.05.14.19.55.40; author mwild; state Exp;
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- desc
- @create msgport
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @/*
- * This file is part of ixemul.library for the Amiga.
- * Copyright (C) 1991, 1992 Markus M. Wild
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
- *
- * $Log$
- */
-
- #define KERNEL
- #include "ixemul.h"
-
- #include <exec/ports.h>
- #include <exec/interrupts.h>
-
- struct MsgPort *
- CreatePort(const char *name, int pri)
- {
- int sigBit;
- struct MsgPort *port;
-
- if ((sigBit = AllocSignal(-1)) == -1) return 0;
-
- port = (struct MsgPort *) kmalloc (sizeof (struct MsgPort));
- if (! port)
- {
- FreeSignal (sigBit);
- errno = ENOMEM;
- return 0;
- }
-
- bzero (port, sizeof (struct MsgPort));
-
- port->mp_Node.ln_Name = name;
- port->mp_Node.ln_Pri = pri;
- port->mp_Node.ln_Type = NT_MSGPORT;
-
- port->mp_Flags = PA_SIGNAL;
- port->mp_SigBit = sigBit;
- port->mp_SigTask = FindTask (0);
-
- if (name)
- AddPort (port);
- else
- NewList (&(port->mp_MsgList));
-
- return port;
- }
-
- struct MsgPort *
- CreateInterruptPort (const char *name, int pri, void (*code)(), void *data)
- {
- struct MsgPort *port;
- struct Interrupt *interrupt;
-
- if (port = (struct MsgPort *) kmalloc (sizeof (struct MsgPort)))
- {
- if (interrupt = (struct Interrupt *) kmalloc (sizeof (struct Interrupt)))
- {
- bzero (interrupt, sizeof (struct Interrupt));
- interrupt->is_Node.ln_Type = NT_INTERRUPT;
- /* as a convenience, if data is 0, set it to the port itself */
- interrupt->is_Data = data ? data : port;
- interrupt->is_Code = code;
-
- bzero (port, sizeof (struct MsgPort));
- port->mp_Node.ln_Name = name;
- port->mp_Node.ln_Pri = pri;
- port->mp_Node.ln_Type = NT_MSGPORT;
-
- port->mp_Flags = PA_SOFTINT;
- port->mp_SoftInt = interrupt;
-
- if (name)
- AddPort (port);
- else
- NewList (&(port->mp_MsgList));
-
- return port;
- }
-
- kfree (port);
- }
-
- errno = ENOMEM;
- return 0;
- }
- @
-