9a07ed53eb
Now that we have most of core free of shadowing, we can enable the warning as an error to catch anything that may be remaining and also eliminate this class of logic bug entirely.
58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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// This file references various implementation details from Atmosphere, an open-source firmware for
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// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
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#pragma once
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#include "common/common_types.h"
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#include "core/hle/kernel/k_scheduler.h"
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#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
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#include "core/hle/kernel/k_thread_queue.h"
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#include "core/hle/kernel/time_manager.h"
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namespace Kernel {
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class KernelCore;
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class KLightConditionVariable {
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public:
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explicit KLightConditionVariable(KernelCore& kernel_)
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: thread_queue(kernel_), kernel(kernel_) {}
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void Wait(KLightLock* lock, s64 timeout = -1) {
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WaitImpl(lock, timeout);
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lock->Lock();
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}
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void Broadcast() {
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KScopedSchedulerLock lk{kernel};
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while (thread_queue.WakeupFrontThread() != nullptr) {
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// We want to signal all threads, and so should continue waking up until there's nothing
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// to wake.
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}
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}
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private:
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void WaitImpl(KLightLock* lock, s64 timeout) {
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KThread* owner = GetCurrentThreadPointer(kernel);
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// Sleep the thread.
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{
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KScopedSchedulerLockAndSleep lk(kernel, owner, timeout);
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lock->Unlock();
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if (!thread_queue.SleepThread(owner)) {
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lk.CancelSleep();
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return;
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}
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}
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// Cancel the task that the sleep setup.
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kernel.TimeManager().UnscheduleTimeEvent(owner);
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}
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KThreadQueue thread_queue;
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KernelCore& kernel;
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};
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} // namespace Kernel
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