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Diffstat (limited to 'liblo/pthreads.2/tests/priority2.c')
| -rw-r--r-- | liblo/pthreads.2/tests/priority2.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/liblo/pthreads.2/tests/priority2.c b/liblo/pthreads.2/tests/priority2.c new file mode 100644 index 0000000..768c10e --- /dev/null +++ b/liblo/pthreads.2/tests/priority2.c @@ -0,0 +1,169 @@ +/*
+ * File: priority2.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 setting after creation.
+ *
+ * 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];
+pthread_barrier_t startBarrier, endBarrier;
+
+void * func(void * arg)
+{
+ int policy;
+ int result;
+ struct sched_param param;
+
+ result = pthread_barrier_wait(&startBarrier);
+ assert(result == 0 || result == PTHREAD_BARRIER_SERIAL_THREAD);
+ assert(pthread_getschedparam(pthread_self(), &policy, ¶m) == 0);
+ assert(policy == SCHED_OTHER);
+ result = pthread_barrier_wait(&endBarrier);
+ assert(result == 0 || result == PTHREAD_BARRIER_SERIAL_THREAD);
+ 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;
+ void * result = NULL;
+ int result2;
+ 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_barrier_init(&startBarrier, NULL, 2) == 0);
+ assert(pthread_barrier_init(&endBarrier, NULL, 2) == 0);
+
+ /* Set the thread's priority to a known initial value.
+ * If the new priority is invalid then the threads priority
+ * is unchanged from the previous value.
+ */
+ SetThreadPriority(pthread_getw32threadhandle_np(pthread_self()),
+ PTW32TEST_THREAD_INIT_PRIO);
+
+ for (param.sched_priority = minPrio;
+ param.sched_priority <= maxPrio;
+ param.sched_priority++)
+ {
+ assert(pthread_create(&t, NULL, func, NULL) == 0);
+ assert(pthread_setschedparam(t, SCHED_OTHER, ¶m) == 0);
+ result2 = pthread_barrier_wait(&startBarrier);
+ assert(result2 == 0 || result2 == PTHREAD_BARRIER_SERIAL_THREAD);
+ result2 = pthread_barrier_wait(&endBarrier);
+ assert(result2 == 0 || result2 == PTHREAD_BARRIER_SERIAL_THREAD);
+ assert(GetThreadPriority(pthread_getw32threadhandle_np(t)) ==
+ validPriorities[param.sched_priority+(PTW32TEST_MAXPRIORITIES/2)]);
+ pthread_join(t, &result);
+ assert(param.sched_priority == (int)result);
+ }
+
+ return 0;
+}
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