source:
rtems/cpukit/score/src/threadevaluatemode.c
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6af81435
Last change on this file since 6af81435 was 05df0a8, checked in by Joel Sherrill <joel.sherrill@…>, on 05/17/99 at 20:41:13 | |
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1 | /* |
2 | * Thread Handler |
3 | * |
4 | * |
5 | * COPYRIGHT (c) 1989-1998. |
6 | * On-Line Applications Research Corporation (OAR). |
7 | * Copyright assigned to U.S. Government, 1994. |
8 | * |
9 | * The license and distribution terms for this file may be |
10 | * found in found in the file LICENSE in this distribution or at |
11 | * http://www.OARcorp.com/rtems/license.html. |
12 | * |
13 | * $Id$ |
14 | */ |
15 | |
16 | #include <rtems/system.h> |
17 | #include <rtems/score/apiext.h> |
18 | #include <rtems/score/context.h> |
19 | #include <rtems/score/interr.h> |
20 | #include <rtems/score/isr.h> |
21 | #include <rtems/score/object.h> |
22 | #include <rtems/score/priority.h> |
23 | #include <rtems/score/states.h> |
24 | #include <rtems/score/sysstate.h> |
25 | #include <rtems/score/thread.h> |
26 | #include <rtems/score/threadq.h> |
27 | #include <rtems/score/userext.h> |
28 | #include <rtems/score/wkspace.h> |
29 | |
30 | /*PAGE |
31 | * |
32 | * _Thread_Evaluate_mode |
33 | * |
34 | * XXX |
35 | */ |
36 | |
37 | boolean _Thread_Evaluate_mode( void ) |
38 | { |
39 | Thread_Control *executing; |
40 | |
41 | executing = _Thread_Executing; |
42 | |
43 | if ( !_States_Is_ready( executing->current_state ) || |
44 | ( !_Thread_Is_heir( executing ) && executing->is_preemptible ) ) { |
45 | _Context_Switch_necessary = TRUE; |
46 | return TRUE; |
47 | } |
48 | |
49 | return FALSE; |
50 | } |
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