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Diffstat (limited to 'pthreads/tests/priority1.c')
| -rw-r--r-- | pthreads/tests/priority1.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/pthreads/tests/priority1.c b/pthreads/tests/priority1.c new file mode 100644 index 000000000..c270e998a --- /dev/null +++ b/pthreads/tests/priority1.c @@ -0,0 +1,172 @@ +/* + * 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, ¶m) == 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; +} + + +int +main() +{ + 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, ¶m) == 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; +} |