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-rw-r--r--tests/priority2.c52
1 files changed, 49 insertions, 3 deletions
diff --git a/tests/priority2.c b/tests/priority2.c
index 4dcf385..06a5a13 100644
--- a/tests/priority2.c
+++ b/tests/priority2.c
@@ -41,6 +41,14 @@
#include "test.h"
+enum {
+ PTW32TEST_THREAD_INIT_PRIO = 0,
+ PTW32TEST_MAXPRIORITIES = 512
+};
+
+int minPrio;
+int maxPrio;
+int validPriorities[PTW32TEST_MAXPRIORITIES];
pthread_mutex_t startMx = PTHREAD_MUTEX_INITIALIZER;
void * func(void * arg)
@@ -54,15 +62,52 @@ void * func(void * arg)
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);
+
+ 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.
+ */
+ SetThreadPriority(threadH, PTW32TEST_THREAD_INIT_PRIO);
+ SetThreadPriority(threadH, prioSet);
+ validPriorities[prioSet+(PTW32TEST_MAXPRIORITIES/2)] = GetThreadPriority(threadH);
+ }
+
+ return (void *) 0;
+}
+
+
int
main()
{
pthread_t t;
void * result = NULL;
struct sched_param param;
- int maxPrio = sched_get_priority_max(SCHED_OTHER);
- int minPrio = sched_get_priority_min(SCHED_OTHER);
+
+ 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);
+
+ /* 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;
@@ -73,7 +118,8 @@ main()
assert(pthread_setschedparam(t, SCHED_OTHER, &param) == 0);
assert(pthread_mutex_unlock(&startMx) == 0);
pthread_join(t, &result);
- assert((int) result == param.sched_priority);
+ assert((int) result ==
+ validPriorities[param.sched_priority+(PTW32TEST_MAXPRIORITIES/2)]);
}
return 0;