| /* |
| * 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, ¶m) == 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, ¶m) == 0); |
| validPriorities[prioSet+(PTW32TEST_MAXPRIORITIES/2)] = GetThreadPriority(threadH); |
| } |
| |
| return (void *) 0; |
| } |
| |
| |
| int |
| main() |
| { |
| 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, ¶m) == 0); |
| assert(pthread_create(&t, &attr, func, NULL) == 0); |
| pthread_join(t, &result); |
| assert((int) result == mainParam.sched_priority); |
| } |
| } |
| |
| return 0; |
| } |