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kern: add KProcess members

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This commit is contained in:
Michael Scire 2020-02-18 05:04:49 -08:00
parent 772e1f1c4f
commit fba8fb539d
15 changed files with 460 additions and 96 deletions
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61
libraries/libmesosphere/include/mesosphere/kern_k_address_arbiter.hpp Normal file
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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_condition_variable.hpp>
namespace ams::kern {
class KAddressArbiter {
public:
using ThreadTree = KConditionVariable::ThreadTree;
private:
ThreadTree tree;
public:
constexpr KAddressArbiter() : tree() { /* ... */ }
Result SignalToAddress(uintptr_t addr, ams::svc::SignalType type, s32 value, s32 count) {
switch (type) {
case ams::svc::SignalType_Signal:
return this->Signal(addr, count);
case ams::svc::SignalType_SignalAndIncrementIfEqual:
return this->SignalAndIncrementIfEqual(addr, value, count);
case ams::svc::SignalType_SignalAndModifyByWaitingCountIfEqual:
return this->SignalAndModifyByWaitingCountIfEqual(addr, value, count);
MESOSPHERE_UNREACHABLE_DEFAULT_CASE();
}
}
Result WaitForAddress(uintptr_t addr, ams::svc::ArbitrationType type, s32 value, s64 timeout) {
switch (type) {
case ams::svc::ArbitrationType_WaitIfLessThan:
return this->WaitIfLessThan(addr, value, false, timeout);
case ams::svc::ArbitrationType_DecrementAndWaitIfLessThan:
return this->WaitIfLessThan(addr, value, true, timeout);
case ams::svc::ArbitrationType_WaitIfEqual:
return this->WaitIfEqual(addr, value, timeout);
MESOSPHERE_UNREACHABLE_DEFAULT_CASE();
}
}
private:
Result Signal(uintptr_t addr, s32 count);
Result SignalAndIncrementIfEqual(uintptr_t addr, s32 value, s32 count);
Result SignalAndModifyByWaitingCountIfEqual(uintptr_t addr, s32 value, s32 count);
Result WaitIfLessThan(uintptr_t addr, s32 value, bool decrement, s64 timeout);
Result WaitIfEqual(uintptr_t addr, s32 value, s64 timeout);
};
}