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[Linux/Threading] change self-suspend to wait to be resumed

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Herman S.
2025-12-13 20:54:08 +09:00
parent 15483b02af
commit 92b07391df
1 changed files with 9 additions and 5 deletions
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14
src/xenia/kernel/xboxkrnl/xboxkrnl_threading.cc
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@@ -251,15 +251,19 @@ dword_result_t NtSuspendThread_entry(dword_t handle,
(current_pcr->prcb_data.current_thread == thread->guest_object()); (current_pcr->prcb_data.current_thread == thread->guest_object());
if (is_self_suspend) { if (is_self_suspend) {
// Self-suspension: just increment the suspend count and return // Self-suspension: increment the suspend count and wait until
// The thread continues running - this matches Windows/Xbox behavior // another thread resumes us (decrements count to 0)
auto guest_thread = thread->guest_object<X_KTHREAD>(); auto guest_thread = thread->guest_object<X_KTHREAD>();
suspend_count = guest_thread->suspend_count; suspend_count = guest_thread->suspend_count;
guest_thread->suspend_count++; guest_thread->suspend_count++;
result = X_STATUS_SUCCESS; result = X_STATUS_SUCCESS;
XELOGD( XELOGD("Thread {:X} self-suspending (count: {}) - waiting for resume",
"Thread {:X} self-suspending (count: {}) - continuing execution", thread->handle(), guest_thread->suspend_count);
thread->handle(), guest_thread->suspend_count); // Wait until suspend_count reaches 0 (resumed by another thread)
while (guest_thread->suspend_count > 0) {
xe::threading::Sleep(std::chrono::microseconds(100));
}
XELOGD("Thread {:X} resumed", thread->handle());
} else { } else {
// Normal suspension of another thread // Normal suspension of another thread
result = thread->Suspend(&suspend_count); result = thread->Suspend(&suspend_count);