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https://github.com/Fennix-Project/Kernel.git
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Restructured and rewritten entire codebase
This commit is contained in:
33
library/std/errno.cpp
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33
library/std/errno.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <types.h>
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#include <debug.h>
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#include <atomic>
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#include "../../kernel.h"
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__aligned(16) static int errno_value = 0;
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int *__errno_location(void)
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{
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if (unlikely(!TaskManager || !thisThread))
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return &errno_value;
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return &thisThread->ErrorNumber;
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}
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81
library/std/mutex.cpp
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81
library/std/mutex.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <mutex>
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#include <algorithm>
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#include <assert.h>
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#include <cpu.hpp>
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#include "../../kernel.h"
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using namespace Tasking;
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namespace std
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{
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void mutex::lock()
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{
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bool Result = this->Locked.exchange(true, std::memory_order_acquire);
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__sync;
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if (Result)
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{
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this->Waiting.push_back(thisThread);
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thisThread->Block();
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TaskManager->Yield();
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return;
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}
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this->Holder = thisThread;
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this->Waiting.erase(std::find(this->Waiting.begin(),
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this->Waiting.end(),
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thisThread));
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}
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bool mutex::try_lock()
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{
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bool Result = this->Locked.exchange(true, std::memory_order_acquire);
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__sync;
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if (!Result)
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{
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this->Holder = thisThread;
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this->Waiting.erase(std::find(this->Waiting.begin(),
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this->Waiting.end(),
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thisThread));
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}
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return !Result;
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}
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void mutex::unlock()
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{
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__sync;
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this->Locked.store(false, std::memory_order_release);
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if (!this->Waiting.empty())
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{
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this->Holder = this->Waiting[0];
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this->Holder = this->Waiting.front();
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this->Waiting.erase(this->Waiting.begin());
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this->Holder->Unblock();
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TaskManager->Yield();
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}
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else
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this->Holder = nullptr;
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}
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}
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44
library/std/typeinfo.cpp
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44
library/std/typeinfo.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <typeinfo>
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#include <debug.h>
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namespace std
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{
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type_info::~type_info() {}
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bool type_info::__do_catch(const type_info *ThrowType,
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void **ThrowObject,
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unsigned Outer) const
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{
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stub;
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UNUSED(ThrowType);
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UNUSED(ThrowObject);
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UNUSED(Outer);
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return false;
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}
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bool type_info::__do_upcast(const __cxxabiv1::__class_type_info *Target,
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void **ObjectPointer) const
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{
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stub;
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UNUSED(Target);
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UNUSED(ObjectPointer);
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return false;
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}
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}
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