/* This file is part of test microkernel for OpenRISC 1000. */
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/* This file is part of test microkernel for OpenRISC 1000. */
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/* (C) 2000 Damjan Lampret, lampret@opencores.org */
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/* (C) 2000 Damjan Lampret, lampret@opencores.org */
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/* Operation completed sucessfully. */
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/* Operation completed sucessfully. */
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#define IPC_NOERR 0
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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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/* Can't send any messages due to lack of free MCBs. */
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#define IPC_EOUTOFMCBS 1
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#define IPC_EOUTOFMCBS 1
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/* Sending message: No such destination task.
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/* Sending message: No such destination task.
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Receiving message: No such origin task. */
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Receiving message: No such origin task. */
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#define IPC_ENOTASK 2
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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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/* 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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receiving message. If receiving then try again with bigger buffer. */
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#define IPC_ETOOBIG 3
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#define IPC_ETOOBIG 3
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/* No messages waiting to be received. */
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/* No messages waiting to be received. */
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#define IPC_ENOMSGS 4
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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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/* Send message in buffer buf of size len to task desttask. */
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int uos_msgsnd(tid_t desttask, char *buf, int len);
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int 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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/* 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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into buffer buf. If origintask is zero then get the first message
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from the message queue. */
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from the message queue. */
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int uos_msgrcv(tid_t origintask, char *buf, int len);
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int uos_msgrcv(tid_t origintask, char *buf, int len);
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