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Diffstat (limited to 'pthreads/tests/inherit1.c')
| -rw-r--r-- | pthreads/tests/inherit1.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/pthreads/tests/inherit1.c b/pthreads/tests/inherit1.c new file mode 100644 index 000000000..482a5a884 --- /dev/null +++ b/pthreads/tests/inherit1.c @@ -0,0 +1,177 @@ +/* + * 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; +} |