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30 lines
605 B
C
30 lines
605 B
C
#ifndef __IPC_H__
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#define __IPC_H__
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#define L4_NILTHREAD -1
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#define L4_ANYTHREAD -2
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#define L4_IPC_TAG_MR_OFFSET 0
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/* To synchronise two threads */
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#define L4_IPC_TAG_WAIT 0
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/* Pagefault */
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#define L4_IPC_TAG_PFAULT 2
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#if defined (__KERNEL__) /* These are kernel internal calls */
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/* A helper call for sys_ipc() or internally created ipc paths. */
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int ipc_send(l4id_t tid);
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/*
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* This version sends an extra wait ipc to its receiver so that
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* the receiver can explicitly make it runnable later by accepting
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* this wait ipc.
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*/
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int ipc_sendwait(l4id_t tid);
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#endif
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#endif /* __IPC_H__ */
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