1 | /* threadmp.h |
---|
2 | * |
---|
3 | * This include file contains the specification for all routines |
---|
4 | * and data specific to the multiprocessing portion of the thread package. |
---|
5 | * |
---|
6 | * COPYRIGHT (c) 1989-1999. |
---|
7 | * On-Line Applications Research Corporation (OAR). |
---|
8 | * |
---|
9 | * The license and distribution terms for this file may be |
---|
10 | * found in the file LICENSE in this distribution or at |
---|
11 | * http://www.OARcorp.com/rtems/license.html. |
---|
12 | * |
---|
13 | * $Id$ |
---|
14 | */ |
---|
15 | |
---|
16 | #ifndef __RTEMS_THREAD_MP_h |
---|
17 | #define __RTEMS_THREAD_MP_h |
---|
18 | |
---|
19 | #ifdef __cplusplus |
---|
20 | extern "C" { |
---|
21 | #endif |
---|
22 | |
---|
23 | /* |
---|
24 | * _Thread_MP_Handler_initialization |
---|
25 | * |
---|
26 | * DESCRIPTION: |
---|
27 | * |
---|
28 | * This routine initializes the multiprocessing portion of the Thread Handler. |
---|
29 | */ |
---|
30 | |
---|
31 | void _Thread_MP_Handler_initialization ( |
---|
32 | unsigned32 maximum_proxies |
---|
33 | ); |
---|
34 | |
---|
35 | /* |
---|
36 | * _Thread_MP_Allocate_proxy |
---|
37 | * |
---|
38 | * DESCRIPTION: |
---|
39 | * |
---|
40 | * This allocates a proxy control block from |
---|
41 | * the inactive chain of free proxy control blocks. |
---|
42 | * |
---|
43 | * NOTE: This function returns a thread control pointer |
---|
44 | * because proxies are substitutes for remote threads. |
---|
45 | */ |
---|
46 | |
---|
47 | Thread_Control *_Thread_MP_Allocate_proxy ( |
---|
48 | States_Control the_state |
---|
49 | ); |
---|
50 | |
---|
51 | /* |
---|
52 | * _Thread_MP_Find_proxy |
---|
53 | * |
---|
54 | * DESCRIPTION: |
---|
55 | * |
---|
56 | * This function removes the proxy control block for the specified |
---|
57 | * id from the active chain of proxy control blocks. |
---|
58 | */ |
---|
59 | |
---|
60 | Thread_Control *_Thread_MP_Find_proxy ( |
---|
61 | Objects_Id the_id |
---|
62 | ); |
---|
63 | |
---|
64 | /* |
---|
65 | * The following is used to determine when the multiprocessing receive |
---|
66 | * thread is executing so that a proxy can be allocated instead of |
---|
67 | * blocking the multiprocessing receive thread. |
---|
68 | */ |
---|
69 | |
---|
70 | SCORE_EXTERN Thread_Control *_Thread_MP_Receive; |
---|
71 | |
---|
72 | /* |
---|
73 | * The following chains are used to manage proxies. |
---|
74 | */ |
---|
75 | |
---|
76 | SCORE_EXTERN Chain_Control _Thread_MP_Active_proxies; |
---|
77 | SCORE_EXTERN Chain_Control _Thread_MP_Inactive_proxies; |
---|
78 | |
---|
79 | #ifndef __RTEMS_APPLICATION__ |
---|
80 | #include <rtems/score/threadmp.inl> |
---|
81 | #endif |
---|
82 | |
---|
83 | #ifdef __cplusplus |
---|
84 | } |
---|
85 | #endif |
---|
86 | |
---|
87 | #endif |
---|
88 | /* end of include file */ |
---|