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/* threadmp.h
*
* This include file contains the specification for all routines
* and data specific to the multiprocessing portion of the thread package.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#ifndef __RTEMS_THREAD_MP_h
#define __RTEMS_THREAD_MP_h
#ifdef __cplusplus
extern "C" {
#endif
/*
* _Thread_MP_Handler_initialization
*
* DESCRIPTION:
*
* This package is the specification for the Thread Handler's
* multiprocessing specific support routines.
*/
void _Thread_MP_Handler_initialization (
unsigned32 maximum_proxies
);
/*
* _Thread_MP_Is_receive
*
* DESCRIPTION:
*
* This function returns true if the thread in question is the
* multiprocessing receive thread.
*/
STATIC INLINE boolean _Thread_MP_Is_receive (
Thread_Control *the_thread
);
/*
* _Thread_MP_Allocate_proxy
*
* DESCRIPTION:
*
* This allocates a proxy control block from
* the inactive chain of free proxy control blocks.
*
* NOTE: This function returns a thread control pointer
* because proxies are substitutes for remote threads.
*/
Thread_Control *_Thread_MP_Allocate_proxy (
States_Control the_state
);
/*
* _Thread_MP_Free_proxy
*
* DESCRIPTION:
*
* This routine frees a proxy control block to the
* inactive chain of free proxy control blocks.
*/
STATIC INLINE void _Thread_MP_Free_proxy (
Thread_Control *the_thread
);
/*
* _Thread_MP_Find_proxy
*
* DESCRIPTION:
*
* This function removes the proxy control block for the specified
* id from the active chain of proxy control blocks.
*/
Thread_Control *_Thread_MP_Find_proxy (
Objects_Id the_id
);
/*
* _Thread_MP_Block
*
* DESCRIPTION:
*
* This routine blocks the MP Receive server thread.
*/
void _Thread_MP_Block( void );
/*
* _Thread_MP_Ready
*
* DESCRIPTION:
*
* This routine readies the MP Receive server thread.
*/
void _Thread_MP_Ready( void );
/*
* The following is used to determine when the multiprocessing receive
* thread is executing so that a proxy can be allocated instead of
* blocking the multiprocessing receive thread.
*/
EXTERN Thread_Control *_Thread_MP_Receive;
/*
* The following chains are used to manage proxies.
*/
EXTERN Chain_Control _Thread_MP_Active_proxies;
EXTERN Chain_Control _Thread_MP_Inactive_proxies;
#include <rtems/threadmp.inl>
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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