Atmosphere-libs/libstratosphere/source/os/impl/os_thread_manager_impl.os.horizon.hpp

85 lines
3.5 KiB
C++

/*
* Copyright (c) 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 <stratosphere.hpp>
namespace ams::os::impl {
constexpr inline s32 TargetThreadPriorityRangeSize = svc::LowestThreadPriority - svc::HighestThreadPriority + 1;
constexpr inline s32 ReservedThreadPriorityRangeSize = svc::SystemThreadPriorityHighest;
constexpr inline s32 SystemThreadPriorityRangeSize = TargetThreadPriorityRangeSize - ReservedThreadPriorityRangeSize;
constexpr inline s32 UserThreadPriorityOffset = 28;
constexpr inline s32 HighestTargetThreadPriority = 0;
constexpr inline s32 LowestTargetThreadPriority = TargetThreadPriorityRangeSize - 1;
extern thread_local ThreadType *g_current_thread_pointer;
class ThreadManagerHorizonImpl {
NON_COPYABLE(ThreadManagerHorizonImpl);
NON_MOVEABLE(ThreadManagerHorizonImpl);
public:
explicit ThreadManagerHorizonImpl(ThreadType *main_thread);
Result CreateThread(ThreadType *thread, s32 ideal_core);
void DestroyThreadUnsafe(ThreadType *thread);
void StartThread(const ThreadType *thread);
void WaitForThreadExit(ThreadType *thread);
bool TryWaitForThreadExit(ThreadType *thread);
void YieldThread();
bool ChangePriority(ThreadType *thread, s32 priority);
s32 GetCurrentPriority(const ThreadType *thread) const;
ThreadId GetThreadId(const ThreadType *thread) const;
void SuspendThreadUnsafe(ThreadType *thread);
void ResumeThreadUnsafe(ThreadType *thread);
/* TODO: void GetThreadContextUnsafe(ThreadContextInfo *out_context, const ThreadType *thread); */
void NotifyThreadNameChangedImpl(const ThreadType *thread) const { AMS_UNUSED(thread); }
void SetCurrentThread(ThreadType *thread) const {
g_current_thread_pointer = thread;
}
ThreadType *GetCurrentThread() const {
return g_current_thread_pointer;
}
s32 GetCurrentCoreNumber() const;
s32 GetDefaultCoreNumber() const { return svc::IdealCoreUseProcessValue; }
void SetThreadCoreMask(ThreadType *thread, s32 ideal_core, u64 affinity_mask) const;
void GetThreadCoreMask(s32 *out_ideal_core, u64 *out_affinity_mask, const ThreadType *thread) const;
u64 GetThreadAvailableCoreMask() const;
bool MapAliasStack(void **out, void *stack, size_t size);
bool UnmapAliasStack(void *alias_stack, void *original_stack, size_t size);
NORETURN void ExitProcessImpl() {
svc::ExitProcess();
AMS_ABORT("Process was exited");
}
NORETURN void QuickExit() {
AMS_ABORT("TODO: make QuickExit properly a thing");
}
};
using ThreadManagerImpl = ThreadManagerHorizonImpl;
}