/* * File: priority1.c * * * -------------------------------------------------------------------------- * *      Pthreads-win32 - POSIX Threads Library for Win32 *      Copyright(C) 1998 John E. Bossom *      Copyright(C) 1999,2005 Pthreads-win32 contributors *  *      Contact Email: rpj@callisto.canberra.edu.au *  *      The current list of contributors is contained *      in the file CONTRIBUTORS included with the source *      code distribution. The list can also be seen at the *      following World Wide Web location: *      http://sources.redhat.com/pthreads-win32/contributors.html *  *      This library is free software; you can redistribute it and/or *      modify it under the terms of the GNU Lesser General Public *      License as published by the Free Software Foundation; either *      version 2 of the License, or (at your option) any later version. *  *      This library is distributed in the hope that it will be useful, *      but WITHOUT ANY WARRANTY; without even the implied warranty of *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU *      Lesser General Public License for more details. *  *      You should have received a copy of the GNU Lesser General Public *      License along with this library in the file COPYING.LIB; *      if not, write to the Free Software Foundation, Inc., *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * * -------------------------------------------------------------------------- * * Test Synopsis: * - Test thread priority explicit setting using thread attribute. * * Test Method (Validation or Falsification): * -  * * Requirements Tested: * - * * Features Tested: * - * * Cases Tested: * - * * Description: * - * * Environment: * - * * Input: * - None. * * Output: * - File name, Line number, and failed expression on failure. * - No output on success. * * Assumptions: * - * * Pass Criteria: * - Process returns zero exit status. * * Fail Criteria: * - Process returns non-zero exit status. */#include "test.h"enum {  PTW32TEST_THREAD_INIT_PRIO = 0,  PTW32TEST_MAXPRIORITIES = 512};int minPrio;int maxPrio;int validPriorities[PTW32TEST_MAXPRIORITIES];void *func(void * arg){  int policy;  struct sched_param param;  pthread_t threadID = pthread_self();  assert(pthread_getschedparam(threadID, &policy, &param) == 0);  assert(policy == SCHED_OTHER);  return (void *) (param.sched_priority);}void *getValidPriorities(void * arg){  int prioSet;  pthread_t threadID = pthread_self();  HANDLE threadH = pthread_getw32threadhandle_np(threadID);  printf("Using GetThreadPriority\n");  printf("%10s %10s\n", "Set value", "Get value");  for (prioSet = minPrio;       prioSet <= maxPrio;       prioSet++)    {	/*       * If prioSet is invalid then the threads priority is unchanged       * from the previous value. Make the previous value a known       * one so that we can check later.       */        if (prioSet < 0)	  SetThreadPriority(threadH, THREAD_PRIORITY_LOWEST);        else	  SetThreadPriority(threadH, THREAD_PRIORITY_HIGHEST);	SetThreadPriority(threadH, prioSet);	validPriorities[prioSet+(PTW32TEST_MAXPRIORITIES/2)] = GetThreadPriority(threadH);	printf("%10d %10d\n", prioSet, validPriorities[prioSet+(PTW32TEST_MAXPRIORITIES/2)]);    }  return (void *) 0;}intmain(){  pthread_t t;  pthread_attr_t attr;  void * result = NULL;  struct sched_param param;  assert((maxPrio = sched_get_priority_max(SCHED_OTHER)) != -1);  assert((minPrio = sched_get_priority_min(SCHED_OTHER)) != -1);  assert(pthread_create(&t, NULL, getValidPriorities, NULL) == 0);  assert(pthread_join(t, &result) == 0);  assert(pthread_attr_init(&attr) == 0);  assert(pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED) == 0);  /* Set the thread's priority to a known initial value. */  SetThreadPriority(pthread_getw32threadhandle_np(pthread_self()),                    PTW32TEST_THREAD_INIT_PRIO);  printf("Using pthread_getschedparam\n");  printf("%10s %10s %10s\n", "Set value", "Get value", "Win priority");  for (param.sched_priority = minPrio;       param.sched_priority <= maxPrio;       param.sched_priority++)    {      int prio;      assert(pthread_attr_setschedparam(&attr, &param) == 0);      assert(pthread_create(&t, &attr, func, (void *) &attr) == 0);      assert((prio = GetThreadPriority(pthread_getw32threadhandle_np(t)))             == validPriorities[param.sched_priority+(PTW32TEST_MAXPRIORITIES/2)]);      assert(pthread_join(t, &result) == 0);      assert(param.sched_priority == (int) result);      printf("%10d %10d %10d\n", param.sched_priority, (int) result, prio);    }  return 0;}