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/*
 *  Multiprocessing Support for the Event Manager
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  eventmp.c,v 1.10 1999/11/17 17:50:27 joel Exp
 */
 
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/event.h>
#include <rtems/score/mpci.h>
#include <rtems/score/mppkt.h>
#include <rtems/score/object.h>
#include <rtems/rtems/options.h>
#include <rtems/score/states.h>
#include <rtems/score/thread.h>
#include <rtems/rtems/support.h>
 
/*PAGE
 *
 *  _Event_MP_Send_process_packet
 *
 *  This subprogram is not needed since there are no process
 *  packets to be sent by this manager.
 *
 */
 
/*PAGE
 *
 *  _Event_MP_Send_request_packet
 *
 */
 
rtems_status_code _Event_MP_Send_request_packet (
  Event_MP_Remote_operations operation,
  Objects_Id                 event_id,
  rtems_event_set         event_in
)
{
  Event_MP_Packet *the_packet;
 
  switch ( operation ) {
 
    case EVENT_MP_SEND_REQUEST:
 
      the_packet                    = _Event_MP_Get_packet();
      the_packet->Prefix.the_class  = MP_PACKET_EVENT;
      the_packet->Prefix.length     = sizeof ( Event_MP_Packet );
      the_packet->Prefix.to_convert = sizeof ( Event_MP_Packet );
      the_packet->operation         = operation;
      the_packet->Prefix.id         = event_id;
      the_packet->event_in          = event_in;
 
      return (rtems_status_code)
        _MPCI_Send_request_packet(
          rtems_get_node( event_id ),
          &the_packet->Prefix,
          STATES_READY
        );
 
      break;
 
    case EVENT_MP_SEND_RESPONSE:
      break;
 
  }
  /*
   *  The following line is included to satisfy compilers which
   *  produce warnings when a function does not end with a return.
   */
  return RTEMS_SUCCESSFUL;
}
 
/*PAGE
 *
 *  _Event_MP_Send_response_packet
 *
 */
 
void _Event_MP_Send_response_packet (
  Event_MP_Remote_operations  operation,
  Thread_Control             *the_thread
)
{
  Event_MP_Packet *the_packet;
 
  switch ( operation ) {
 
    case EVENT_MP_SEND_RESPONSE:
 
      the_packet = ( Event_MP_Packet *) the_thread->receive_packet;
 
/*
 *  The packet being returned already contains the class, length, and
 *  to_convert fields, therefore they are not set in this routine.
 */
      the_packet->operation = operation;
      the_packet->Prefix.id = the_packet->Prefix.source_tid;
 
      _MPCI_Send_response_packet(
        rtems_get_node( the_packet->Prefix.source_tid ),
        &the_packet->Prefix
      );
      break;
 
    case EVENT_MP_SEND_REQUEST:
      break;
 
  }
}
 
/*PAGE
 *
 *
 *  _Event_MP_Process_packet
 *
 */
 
void _Event_MP_Process_packet (
  rtems_packet_prefix  *the_packet_prefix
)
{
  Event_MP_Packet *the_packet;
  Thread_Control  *the_thread;
 
  the_packet = (Event_MP_Packet *) the_packet_prefix;
 
  switch ( the_packet->operation ) {
 
    case EVENT_MP_SEND_REQUEST:
 
      the_packet->Prefix.return_code = rtems_event_send(
        the_packet->Prefix.id,
        the_packet->event_in
      );
 
      _Event_MP_Send_response_packet(
        EVENT_MP_SEND_RESPONSE,
        _Thread_Executing
      );
      break;
 
    case EVENT_MP_SEND_RESPONSE:
 
      the_thread = _MPCI_Process_response( the_packet_prefix );
 
      _MPCI_Return_packet( the_packet_prefix );
 
      break;
 
  }
}
 
/*PAGE
 *
 *  _Event_MP_Send_object_was_deleted
 *
 *  This subprogram is not needed since there are no objects
 *  deleted by this manager.
 *
 */
 
/*PAGE
 *
 *  _Event_MP_Send_extract_proxy
 *
 *  This subprogram is not needed since there are no objects
 *  deleted by this manager.
 *
 */
 
/*PAGE
 *
 *  _Event_MP_Get_packet
 *
 */
 
Event_MP_Packet *_Event_MP_Get_packet ( void )
{
  return ( (Event_MP_Packet *) _MPCI_Get_packet() );
}
 
/* end of file */

Line No.	Rev	Author	Line
1	1026	ivang	`/*`
2			`* Multiprocessing Support for the Event Manager`
3			`*`
4			`* COPYRIGHT (c) 1989-1999.`
5			`* On-Line Applications Research Corporation (OAR).`
6			`*`
7			`* The license and distribution terms for this file may be`
8			`* found in the file LICENSE in this distribution or at`
9			`* http://www.OARcorp.com/rtems/license.html.`
10			`*`
11			`* eventmp.c,v 1.10 1999/11/17 17:50:27 joel Exp`
12			`*/`
13
14			`#include <rtems/system.h>`
15			`#include <rtems/rtems/status.h>`
16			`#include <rtems/rtems/event.h>`
17			`#include <rtems/score/mpci.h>`
18			`#include <rtems/score/mppkt.h>`
19			`#include <rtems/score/object.h>`
20			`#include <rtems/rtems/options.h>`
21			`#include <rtems/score/states.h>`
22			`#include <rtems/score/thread.h>`
23			`#include <rtems/rtems/support.h>`
24
25			`/*PAGE`
26			`*`
27			`* _Event_MP_Send_process_packet`
28			`*`
29			`* This subprogram is not needed since there are no process`
30			`* packets to be sent by this manager.`
31			`*`
32			`*/`
33
34			`/*PAGE`
35			`*`
36			`* _Event_MP_Send_request_packet`
37			`*`
38			`*/`
39
40			`rtems_status_code _Event_MP_Send_request_packet (`
41			`Event_MP_Remote_operations operation,`
42			`Objects_Id event_id,`
43			`rtems_event_set event_in`
44			`)`
45			`{`
46			`Event_MP_Packet *the_packet;`
47
48			`switch ( operation ) {`
49
50			`case EVENT_MP_SEND_REQUEST:`
51
52			`the_packet = _Event_MP_Get_packet();`
53			`the_packet->Prefix.the_class = MP_PACKET_EVENT;`
54			`the_packet->Prefix.length = sizeof ( Event_MP_Packet );`
55			`the_packet->Prefix.to_convert = sizeof ( Event_MP_Packet );`
56			`the_packet->operation = operation;`
57			`the_packet->Prefix.id = event_id;`
58			`the_packet->event_in = event_in;`
59
60			`return (rtems_status_code)`
61			`_MPCI_Send_request_packet(`
62			`rtems_get_node( event_id ),`
63			`&the_packet->Prefix,`
64			`STATES_READY`
65			`);`
66
67			`break;`
68
69			`case EVENT_MP_SEND_RESPONSE:`
70			`break;`
71
72			`}`
73			`/*`
74			`* The following line is included to satisfy compilers which`
75			`* produce warnings when a function does not end with a return.`
76			`*/`
77			`return RTEMS_SUCCESSFUL;`
78			`}`
79
80			`/*PAGE`
81			`*`
82			`* _Event_MP_Send_response_packet`
83			`*`
84			`*/`
85
86			`void _Event_MP_Send_response_packet (`
87			`Event_MP_Remote_operations operation,`
88			`Thread_Control *the_thread`
89			`)`
90			`{`
91			`Event_MP_Packet *the_packet;`
92
93			`switch ( operation ) {`
94
95			`case EVENT_MP_SEND_RESPONSE:`
96
97			`the_packet = ( Event_MP_Packet *) the_thread->receive_packet;`
98
99			`/*`
100			`* The packet being returned already contains the class, length, and`
101			`* to_convert fields, therefore they are not set in this routine.`
102			`*/`
103			`the_packet->operation = operation;`
104			`the_packet->Prefix.id = the_packet->Prefix.source_tid;`
105
106			`_MPCI_Send_response_packet(`
107			`rtems_get_node( the_packet->Prefix.source_tid ),`
108			`&the_packet->Prefix`
109			`);`
110			`break;`
111
112			`case EVENT_MP_SEND_REQUEST:`
113			`break;`
114
115			`}`
116			`}`
117
118			`/*PAGE`
119			`*`
120			`*`
121			`* _Event_MP_Process_packet`
122			`*`
123			`*/`
124
125			`void _Event_MP_Process_packet (`
126			`rtems_packet_prefix *the_packet_prefix`
127			`)`
128			`{`
129			`Event_MP_Packet *the_packet;`
130			`Thread_Control *the_thread;`
131
132			`the_packet = (Event_MP_Packet *) the_packet_prefix;`
133
134			`switch ( the_packet->operation ) {`
135
136			`case EVENT_MP_SEND_REQUEST:`
137
138			`the_packet->Prefix.return_code = rtems_event_send(`
139			`the_packet->Prefix.id,`
140			`the_packet->event_in`
141			`);`
142
143			`_Event_MP_Send_response_packet(`
144			`EVENT_MP_SEND_RESPONSE,`
145			`_Thread_Executing`
146			`);`
147			`break;`
148
149			`case EVENT_MP_SEND_RESPONSE:`
150
151			`the_thread = _MPCI_Process_response( the_packet_prefix );`
152
153			`_MPCI_Return_packet( the_packet_prefix );`
154
155			`break;`
156
157			`}`
158			`}`
159
160			`/*PAGE`
161			`*`
162			`* _Event_MP_Send_object_was_deleted`
163			`*`
164			`* This subprogram is not needed since there are no objects`
165			`* deleted by this manager.`
166			`*`
167			`*/`
168
169			`/*PAGE`
170			`*`
171			`* _Event_MP_Send_extract_proxy`
172			`*`
173			`* This subprogram is not needed since there are no objects`
174			`* deleted by this manager.`
175			`*`
176			`*/`
177
178			`/*PAGE`
179			`*`
180			`* _Event_MP_Get_packet`
181			`*`
182			`*/`
183
184			`Event_MP_Packet *_Event_MP_Get_packet ( void )`
185			`{`
186			`return ( (Event_MP_Packet *) _MPCI_Get_packet() );`
187			`}`
188
189			`/* end of file */`

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[/] [or1k/] [trunk/] [rtems-20020807/] [cpukit/] [rtems/] [src/] [eventmp.c] - Blame information for rev 1780