diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/pthread/priority2.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/pthread/priority2.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/winsup/testsuite/winsup.api/pthread/priority2.c b/winsup/testsuite/winsup.api/pthread/priority2.c index 0534e7ba1..f084efadf 100644 --- a/winsup/testsuite/winsup.api/pthread/priority2.c +++ b/winsup/testsuite/winsup.api/pthread/priority2.c @@ -54,7 +54,24 @@ void * func(void * arg) assert(policy == SCHED_FIFO); return (void *) (size_t)param.sched_priority; } - + +// Windows only supports 7 thread priority levels, which we map onto the 32 +// required by POSIX. The exact mapping also depends on the overall process +// priority class. So only a subset of values will be returned exactly by +// pthread_getschedparam() after pthread_setschedparam(). +int doable_pri(int pri) +{ + switch (GetPriorityClass(GetCurrentProcess())) + { + case BELOW_NORMAL_PRIORITY_CLASS: + return (pri == 2) || (pri == 8) || (pri == 10) || (pri == 12) || (pri == 14) || (pri == 16) || (pri == 30); + case NORMAL_PRIORITY_CLASS: + return (pri == 2) || (pri == 12) || (pri == 14) || (pri == 16) || (pri == 18) || (pri == 20) || (pri == 30); + } + + return TRUE; +} + int main() { @@ -73,7 +90,8 @@ main() assert(pthread_setschedparam(t, SCHED_FIFO, ¶m) == 0); assert(pthread_mutex_unlock(&startMx) == 0); pthread_join(t, &result); - assert((int)(size_t)result == param.sched_priority); + if (doable_pri(param.sched_priority)) + assert((int)(size_t)result == param.sched_priority); } return 0; |