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[/] [openrisc/] [tags/] [or1ksim/] [or1ksim-0.3.0/] [testbench/] [uos/] [ipc.h] - Rev 664
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/* This file is part of test microkernel for OpenRISC 1000. */ /* (C) 2000 Damjan Lampret, lampret@opencores.org */ /* Operation completed sucessfully. */ #define IPC_NOERR 0 /* Can't send any messages due to lack of free MCBs. */ #define IPC_EOUTOFMCBS 1 /* Sending message: No such destination task. Receiving message: No such origin task. */ #define IPC_ENOTASK 2 /* Message to big to be sent or receive buffer is to small for receiving message. If receiving then try again with bigger buffer. */ #define IPC_ETOOBIG 3 /* No messages waiting to be received. */ #define IPC_ENOMSGS 4 /* Send message in buffer buf of size len to task desttask. */ int uos_msgsnd(tid_t desttask, char *buf, int len); /* Receive message of max size len from task origintask and put it into buffer buf. If origintask is zero then get the first message from the message queue. */ int uos_msgrcv(tid_t origintask, char *buf, int len);
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