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Rewrote scheduler to use concurrent queues instead of atomic waits, added thread priorities

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This commit is contained in:
Mr-Wiseguy
2023-07-07 14:21:06 -04:00
parent 0fdfc5f7fe
commit 5b594048db
8 changed files with 164 additions and 130 deletions
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portultra/threads.cpp
+42 -9
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@@ -43,6 +43,45 @@ void run_thread_function(uint8_t* rdram, uint64_t addr, uint64_t sp, uint64_t ar
struct thread_terminated : std::exception {};
#ifdef _WIN32
void Multilibultra::set_native_thread_name(const std::string& name) {
std::wstring wname{name.begin(), name.end()};
HRESULT r;
r = SetThreadDescription(
GetCurrentThread(),
wname.c_str()
);
}
void Multilibultra::set_native_thread_priority(ThreadPriority pri) {
int nPriority = THREAD_PRIORITY_NORMAL;
// Convert ThreadPriority to Win32 priority
switch (pri) {
case ThreadPriority::Low:
nPriority = THREAD_PRIORITY_BELOW_NORMAL;
break;
case ThreadPriority::Normal:
nPriority = THREAD_PRIORITY_NORMAL;
break;
case ThreadPriority::High:
nPriority = THREAD_PRIORITY_ABOVE_NORMAL;
break;
case ThreadPriority::VeryHigh:
nPriority = THREAD_PRIORITY_HIGHEST;
break;
case ThreadPriority::Critical:
nPriority = THREAD_PRIORITY_TIME_CRITICAL;
break;
default:
throw std::runtime_error("Invalid thread priority!");
break;
}
// SetThreadPriority(GetCurrentThread(), nPriority);
}
#endif
static void _thread_func(RDRAM_ARG PTR(OSThread) self_, PTR(thread_func_t) entrypoint, PTR(void) arg) {
OSThread *self = TO_PTR(OSThread, self_);
debug_printf("[Thread] Thread created: %d\n", self->id);
@@ -50,23 +89,17 @@ static void _thread_func(RDRAM_ARG PTR(OSThread) self_, PTR(thread_func_t) entry
is_game_thread = true;
// Set the thread name
#ifdef _WIN32
std::wstring thread_name = L"Game Thread " + std::to_wstring(self->id);
HRESULT r;
r = SetThreadDescription(
GetCurrentThread(),
thread_name.c_str()
);
#endif
Multilibultra::set_native_thread_name("Game Thread " + std::to_string(self->id));
Multilibultra::set_native_thread_priority(Multilibultra::ThreadPriority::High);
// Set initialized to false to indicate that this thread can be started.
Multilibultra::set_self_paused(PASS_RDRAM1);
self->context->initialized.store(true);
self->context->initialized.notify_all();
debug_printf("[Thread] Thread waiting to be started: %d\n", self->id);
// Wait until the thread is marked as running.
Multilibultra::set_self_paused(PASS_RDRAM1);
Multilibultra::wait_for_resumed(PASS_RDRAM1);
debug_printf("[Thread] Thread started: %d\n", self->id);