yuzu-emu
/
yuzu-mainline
Archived
1
0
Fork 0

kernel/thread: Expand documentation of nominal_priority and current_priority

Aims to disambiguate why each priority instance exists a little bit.
While we're at it, also add an explanatory comment to UpdatePriority().
This commit is contained in:
Lioncash 2019-03-14 21:58:23 -04:00
parent e0d1f11968
commit db47d7e471
2 changed files with 11 additions and 3 deletions

View File

@ -303,7 +303,9 @@ void Thread::RemoveMutexWaiter(SharedPtr<Thread> thread) {
}
void Thread::UpdatePriority() {
// Find the highest priority among all the threads that are waiting for this thread's lock
// If any of the threads waiting on the mutex have a higher priority
// (taking into account priority inheritance), then this thread inherits
// that thread's priority.
u32 new_priority = nominal_priority;
if (!wait_mutex_threads.empty()) {
if (wait_mutex_threads.front()->current_priority < new_priority) {

View File

@ -398,8 +398,14 @@ private:
VAddr entry_point = 0;
VAddr stack_top = 0;
u32 nominal_priority = 0; ///< Nominal thread priority, as set by the emulated application
u32 current_priority = 0; ///< Current thread priority, can be temporarily changed
/// Nominal thread priority, as set by the emulated application.
/// The nominal priority is the thread priority without priority
/// inheritance taken into account.
u32 nominal_priority = 0;
/// Current thread priority. This may change over the course of the
/// thread's lifetime in order to facilitate priority inheritance.
u32 current_priority = 0;
u64 total_cpu_time_ticks = 0; ///< Total CPU running ticks.
u64 last_running_ticks = 0; ///< CPU tick when thread was last running