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[/] [openrisc/] [trunk/] [or1ksim/] [testsuite/] [test-code-or1k/] [uos/] [ipc.h] - Blame information for rev 320

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1 90 jeremybenn
/* ipc.h.  Microkernel IPC header for Or1ksim
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   Copyright (C) 2000 Damjan Lampret
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   Copyright (C) 2010 Embecosm Limited
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   Contributor Damjan Lampret <lampret@opencores.org>
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   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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   This file is part of OpenRISC 1000 Architectural Simulator.
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   This program is free software; you can redistribute it and/or modify it
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   under the terms of the GNU General Public License as published by the Free
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   Software Foundation; either version 3 of the License, or (at your option)
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   any later version.
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   This program is distributed in the hope that it will be useful, but WITHOUT
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   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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   more details.
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   You should have received a copy of the GNU General Public License along
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   with this program.  If not, see <http:  www.gnu.org/licenses/>.  */
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/* ----------------------------------------------------------------------------
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   This code is commented throughout for use with Doxygen.
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   --------------------------------------------------------------------------*/
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/* This file is part of test microkernel for OpenRISC 1000. */
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/* Operation completed sucessfully. */
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#define IPC_NOERR 0
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/* Can't send any messages due to lack of free MCBs. */
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#define IPC_EOUTOFMCBS 1
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/* Sending message: No such destination task.
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   Receiving message: No such origin task. */
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#define IPC_ENOTASK 2
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/* Message to big to be sent or receive buffer is to small for
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   receiving message. If receiving then try again with bigger buffer. */
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#define IPC_ETOOBIG 3
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/* No messages waiting to be received. */
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#define IPC_ENOMSGS 4
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/* Send message in buffer buf of size len to task desttask. */
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void uos_msgsnd(tid_t desttask, char *buf, int len);
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/* Receive message of max size len from task origintask and put it
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   into buffer buf. If origintask is zero then get the first message
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   from the message queue. */
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void uos_msgrcv(tid_t origintask, char *buf, int len);

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