diff options
Diffstat (limited to 'winsup/cygwin/thread.cc')
| -rw-r--r-- | winsup/cygwin/thread.cc | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/winsup/cygwin/thread.cc b/winsup/cygwin/thread.cc index 350879ac0..1feee5b05 100644 --- a/winsup/cygwin/thread.cc +++ b/winsup/cygwin/thread.cc @@ -37,6 +37,7 @@ details. */ extern "C" void __fp_lock_all (); extern "C" void __fp_unlock_all (); extern "C" bool valid_sched_parameters(const struct sched_param *); +extern "C" int sched_get_thread_priority(HANDLE thread); extern "C" int sched_set_thread_priority(HANDLE thread, int priority); static inline verifyable_object_state verifyable_object_isvalid (void const * objectptr, thread_magic_t magic, @@ -531,12 +532,15 @@ pthread::postcreate () valid = true; InterlockedIncrement (&MT_INTERFACE->threadcount); - /* FIXME: set the priority appropriately for system contention scope */ - if (attr.inheritsched == PTHREAD_EXPLICIT_SCHED) - { - /* FIXME: set the scheduling settings for the new thread */ - /* sched_thread_setparam (win32_obj_id, attr.schedparam); */ - } + + /* Per POSIX the new thread inherits the sched priority from its caller + thread if PTHREAD_INHERIT_SCHED is set. + FIXME: set the priority appropriately for system contention scope */ + if (attr.inheritsched == PTHREAD_INHERIT_SCHED) + attr.schedparam.sched_priority + = sched_get_thread_priority (GetCurrentThread ()); + if (attr.schedparam.sched_priority) + sched_set_thread_priority (win32_obj_id, attr.schedparam.sched_priority); } void @@ -2601,9 +2605,7 @@ pthread_getschedparam (pthread_t thread, int *policy, if (!pthread::is_good_object (&thread)) return ESRCH; *policy = SCHED_FIFO; - /* we don't return the current effective priority, we return the current - requested priority */ - *param = thread->attr.schedparam; + param->sched_priority = sched_get_thread_priority (thread->win32_obj_id); return 0; } |