source: rtems/cpukit/score/src/threadqfirstpriority.c @ a0ed4ed

4.104.114.84.95
Last change on this file since a0ed4ed was 3127180, checked in by Ralf Corsepius <ralf.corsepius@…>, on 03/29/04 at 12:51:43

2004-04-29 Ralf Corsepius <ralf_corsepius@…>

  • score/src/Unlimited.txt, score/src/chain.c, score/src/coremsg.c, score/src/coremsgbroadcast.c, score/src/coremsgclose.c, score/src/coremsgflush.c, score/src/coremsgflushsupp.c, score/src/coremsgseize.c, score/src/coremsgsubmit.c, score/src/coremutex.c, score/src/coremutexflush.c, score/src/coresem.c, score/src/coresemflush.c, score/src/coretod.c, score/src/coretodtickle.c, score/src/coretodtoseconds.c, score/src/coretodvalidate.c, score/src/heap.c, score/src/heapallocate.c, score/src/heapextend.c, score/src/heapfree.c, score/src/heapsizeofuserarea.c, score/src/interr.c, score/src/iterateoverthreads.c, score/src/mpci.c, score/src/object.c, score/src/objectallocate.c, score/src/objectallocatebyindex.c, score/src/objectclearname.c, score/src/objectcomparenameraw.c, score/src/objectcomparenamestring.c, score/src/objectcopynameraw.c, score/src/objectcopynamestring.c, score/src/objectextendinformation.c, score/src/objectfree.c, score/src/objectget.c, score/src/objectgetbyindex.c, score/src/objectgetisr.c, score/src/objectgetnoprotection.c, score/src/objectidtoname.c, score/src/objectinitializeinformation.c, score/src/objectmp.c, score/src/objectnametoid.c, score/src/objectshrinkinformation.c, score/src/thread.c, score/src/threadcreateidle.c, score/src/threadget.c, score/src/threadidlebody.c, score/src/threadinitialize.c, score/src/threadmp.c, score/src/threadq.c, score/src/threadqdequeuepriority.c, score/src/threadqenqueuepriority.c, score/src/threadqfirstpriority.c, score/src/threadqflush.c, score/src/threadreset.c, score/src/threadrestart.c, score/src/threadsettransient.c, score/src/threadstackallocate.c, score/src/threadstart.c, score/src/userext.c, score/src/watchdoginsert.c, score/src/wkspace.c: Convert to using c99 fixed size types.
  • Property mode set to 100644
File size: 1.2 KB
Line 
1/*
2 *  Thread Queue Handler
3 *
4 *
5 *  COPYRIGHT (c) 1989-1999.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.rtems.com/license/LICENSE.
11 *
12 *  $Id$
13 */
14
15#include <rtems/system.h>
16#include <rtems/score/chain.h>
17#include <rtems/score/isr.h>
18#include <rtems/score/object.h>
19#include <rtems/score/states.h>
20#include <rtems/score/thread.h>
21#include <rtems/score/threadq.h>
22#include <rtems/score/tqdata.h>
23
24/*PAGE
25 *
26 *  _Thread_queue_First_priority
27 *
28 *  This routines returns a pointer to the first thread on the
29 *  specified threadq.
30 *
31 *  Input parameters:
32 *    the_thread_queue - pointer to thread queue
33 *
34 *  Output parameters:
35 *    returns - first thread or NULL
36 */
37
38Thread_Control *_Thread_queue_First_priority (
39  Thread_queue_Control *the_thread_queue
40)
41{
42  uint32_t   index;
43
44  for( index=0 ;
45       index < TASK_QUEUE_DATA_NUMBER_OF_PRIORITY_HEADERS ;
46       index++ ) {
47    if ( !_Chain_Is_empty( &the_thread_queue->Queues.Priority[ index ] ) )
48      return (Thread_Control *)
49        the_thread_queue->Queues.Priority[ index ].first;
50  }
51  return NULL;
52}
Note: See TracBrowser for help on using the repository browser.