/* * File: inherit1.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 inheritance. * * 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;  assert(pthread_getschedparam(pthread_self(), &policy, &param) == 0);  return (void *) param.sched_priority;}void *getValidPriorities(void * arg){  int prioSet;  pthread_t thread = pthread_self();  HANDLE threadH = pthread_getw32threadhandle_np(thread);  struct sched_param param;  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.       */        param.sched_priority = prioSet;        assert(pthread_setschedparam(thread, SCHED_OTHER, &param) == 0);        validPriorities[prioSet+(PTW32TEST_MAXPRIORITIES/2)] = GetThreadPriority(threadH);    }  return (void *) 0;}intmain(){  pthread_t t;  pthread_t mainThread = pthread_self();  pthread_attr_t attr;  void * result = NULL;  struct sched_param param;  struct sched_param mainParam;  int prio;  int policy;  int inheritsched = -1;  pthread_t threadID = pthread_self();  HANDLE threadH = pthread_getw32threadhandle_np(threadID);  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_INHERIT_SCHED) == 0);  assert(pthread_attr_getinheritsched(&attr, &inheritsched) == 0);  assert(inheritsched == PTHREAD_INHERIT_SCHED);  for (prio = minPrio; prio <= maxPrio; prio++)    {      mainParam.sched_priority = prio;      /* Set the thread's priority to a known initial value. */      SetThreadPriority(threadH, PTW32TEST_THREAD_INIT_PRIO);      /* Change the main thread priority */      assert(pthread_setschedparam(mainThread, SCHED_OTHER, &mainParam) == 0);      assert(pthread_getschedparam(mainThread, &policy, &mainParam) == 0);      assert(policy == SCHED_OTHER);      /* Priority returned below should be the level set by pthread_setschedparam(). */      assert(mainParam.sched_priority == prio);      assert(GetThreadPriority(threadH) ==               validPriorities[prio+(PTW32TEST_MAXPRIORITIES/2)]);      for (param.sched_priority = prio;           param.sched_priority <= maxPrio;           param.sched_priority++)        {          /* The new thread create should ignore this new priority */          assert(pthread_attr_setschedparam(&attr, &param) == 0);          assert(pthread_create(&t, &attr, func, NULL) == 0);          pthread_join(t, &result);          assert((int) result == mainParam.sched_priority);        }    }  return 0;}