[5e9b32b] | 1 | /* semaphoremp.h |
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| 2 | * |
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| 3 | * This include file contains all the constants and structures associated |
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| 4 | * with the Multiprocessing Support in the POSIX Semaphore Manager. |
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| 5 | * |
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[08311cc3] | 6 | * COPYRIGHT (c) 1989-1999. |
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[5e9b32b] | 7 | * On-Line Applications Research Corporation (OAR). |
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| 8 | * |
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[98e4ebf5] | 9 | * The license and distribution terms for this file may be |
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| 10 | * found in the file LICENSE in this distribution or at |
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[03f2154e] | 11 | * http://www.OARcorp.com/rtems/license.html. |
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[5e9b32b] | 12 | * |
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| 13 | * $Id$ |
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| 14 | */ |
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| 15 | |
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| 16 | #ifndef __RTEMS_POSIX_SEMAPHORE_MP_h |
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| 17 | #define __RTEMS_POSIX_SEMAPHORE_MP_h |
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| 18 | |
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| 19 | #ifdef __cplusplus |
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| 20 | extern "C" { |
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| 21 | #endif |
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| 22 | |
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| 23 | #include <rtems/score/mppkt.h> |
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| 24 | #include <rtems/score/object.h> |
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| 25 | #include <rtems/score/thread.h> |
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| 26 | #include <rtems/score/watchdog.h> |
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| 27 | |
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| 28 | /* |
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| 29 | * The following enumerated type defines the list of |
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| 30 | * remote semaphore operations. |
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| 31 | */ |
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| 32 | |
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| 33 | typedef enum { |
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| 34 | POSIX_SEMAPHORE_MP_ANNOUNCE_CREATE = 0, |
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| 35 | POSIX_SEMAPHORE_MP_ANNOUNCE_DELETE = 1, |
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| 36 | POSIX_SEMAPHORE_MP_EXTRACT_PROXY = 2, |
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| 37 | POSIX_SEMAPHORE_MP_OBTAIN_REQUEST = 3, |
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| 38 | POSIX_SEMAPHORE_MP_OBTAIN_RESPONSE = 4, |
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| 39 | POSIX_SEMAPHORE_MP_RELEASE_REQUEST = 5, |
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| 40 | POSIX_SEMAPHORE_MP_RELEASE_RESPONSE = 6, |
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| 41 | } POSIX_Semaphore_MP_Remote_operations; |
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| 42 | |
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| 43 | /* |
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| 44 | * The following data structure defines the packet used to perform |
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| 45 | * remote semaphore operations. |
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| 46 | */ |
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| 47 | |
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| 48 | typedef struct { |
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| 49 | MP_packet_Prefix Prefix; |
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| 50 | POSIX_Semaphore_MP_Remote_operations operation; |
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| 51 | Objects_Name name; |
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| 52 | boolean wait; /* XXX options */ |
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| 53 | Objects_Id proxy_id; |
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| 54 | } POSIX_Semaphore_MP_Packet; |
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| 55 | |
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| 56 | /* |
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| 57 | * _POSIX_Semaphore_MP_Send_process_packet |
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| 58 | * |
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| 59 | * DESCRIPTION: |
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| 60 | * |
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| 61 | * This routine performs a remote procedure call so that a |
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| 62 | * process operation can be performed on another node. |
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| 63 | */ |
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| 64 | |
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[1d9a2fc] | 65 | void _POSIX_Semaphore_MP_Send_process_packet( |
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[5e9b32b] | 66 | POSIX_Semaphore_MP_Remote_operations operation, |
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| 67 | Objects_Id semaphore_id, |
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| 68 | Objects_Name name, |
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| 69 | Objects_Id proxy_id |
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| 70 | ); |
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| 71 | |
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| 72 | /* |
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| 73 | * _POSIX_Semaphore_MP_Send_request_packet |
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| 74 | * |
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| 75 | * DESCRIPTION: |
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| 76 | * |
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| 77 | * This routine performs a remote procedure call so that a |
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| 78 | * directive operation can be initiated on another node. |
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| 79 | */ |
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| 80 | |
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[1d9a2fc] | 81 | int _POSIX_Semaphore_MP_Send_request_packet( |
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[5e9b32b] | 82 | POSIX_Semaphore_MP_Remote_operations operation, |
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| 83 | Objects_Id semaphore_id, |
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| 84 | boolean wait, /* XXX options */ |
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| 85 | Watchdog_Interval timeout |
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| 86 | ); |
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| 87 | |
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| 88 | /* |
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| 89 | * _POSIX_Semaphore_MP_Send_response_packet |
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| 90 | * |
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| 91 | * DESCRIPTION: |
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| 92 | * |
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| 93 | * This routine performs a remote procedure call so that a |
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| 94 | * directive can be performed on another node. |
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| 95 | */ |
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| 96 | |
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[1d9a2fc] | 97 | void _POSIX_Semaphore_MP_Send_response_packet( |
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[5e9b32b] | 98 | POSIX_Semaphore_MP_Remote_operations operation, |
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| 99 | Objects_Id semaphore_id, |
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| 100 | Thread_Control *the_thread |
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| 101 | ); |
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| 102 | |
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| 103 | /* |
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| 104 | * |
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| 105 | * _POSIX_Semaphore_MP_Process_packet |
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| 106 | * |
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| 107 | * DESCRIPTION: |
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| 108 | * |
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| 109 | * This routine performs the actions specific to this package for |
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| 110 | * the request from another node. |
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| 111 | */ |
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| 112 | |
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[1d9a2fc] | 113 | void _POSIX_Semaphore_MP_Process_packet( |
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[5e9b32b] | 114 | MP_packet_Prefix *the_packet_prefix |
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| 115 | ); |
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| 116 | |
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| 117 | /* |
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| 118 | * _POSIX_Semaphore_MP_Send_object_was_deleted |
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| 119 | * |
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| 120 | * DESCRIPTION: |
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| 121 | * |
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| 122 | * This routine is invoked indirectly by the thread queue |
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| 123 | * when a proxy has been removed from the thread queue and |
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| 124 | * the remote node must be informed of this. |
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| 125 | */ |
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| 126 | |
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[1d9a2fc] | 127 | void _POSIX_Semaphore_MP_Send_object_was_deleted( |
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[5e9b32b] | 128 | Thread_Control *the_proxy |
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| 129 | ); |
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| 130 | |
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| 131 | /* |
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| 132 | * _POSIX_Semaphore_MP_Send_extract_proxy |
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| 133 | * |
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| 134 | * DESCRIPTION: |
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| 135 | * |
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| 136 | * This routine is invoked when a task is deleted and it |
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| 137 | * has a proxy which must be removed from a thread queue and |
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| 138 | * the remote node must be informed of this. |
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| 139 | */ |
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| 140 | |
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[1d9a2fc] | 141 | void _POSIX_Semaphore_MP_Send_extract_proxy( |
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[5e9b32b] | 142 | Thread_Control *the_thread |
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| 143 | ); |
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| 144 | |
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| 145 | /* |
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| 146 | * _POSIX_Semaphore_MP_Get_packet |
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| 147 | * |
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| 148 | * DESCRIPTION: |
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| 149 | * |
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| 150 | * This function is used to obtain a semaphore mp packet. |
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| 151 | */ |
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| 152 | |
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[1d9a2fc] | 153 | POSIX_Semaphore_MP_Packet *_POSIX_Semaphore_MP_Get_packet( void ); |
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[5e9b32b] | 154 | |
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| 155 | #ifdef __cplusplus |
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| 156 | } |
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| 157 | #endif |
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| 158 | |
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| 159 | #endif |
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| 160 | /* end of file */ |
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