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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Diffstat (limited to 'pthreads/tests/priority1.c')
-rw-r--r--pthreads/tests/priority1.c172
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, &param) == 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, &param) == 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;
+}