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https://github.com/skyline-emu/skyline.git
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a54f5ff578
This commit introduces a new memory model that supports true shared memory with separate permissions for remote and local processes, implements svcQueryMemory and completes svcGetInfo further, adds IPC support with the IpcRequest and IpcResponse classes.
54 lines
2.3 KiB
C++
54 lines
2.3 KiB
C++
#pragma once
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#include "KObject.h"
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namespace lightSwitch::kernel::type {
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/**
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* KThread class is responsible for holding the state of a thread
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*/
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class KThread : public KObject {
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private:
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KProcess *parent; //!< The parent process of this thread
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const device_state &state; //!< The state of the device
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u64 entry_point; //!< The address to start execution at
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u64 entry_arg; //!< An argument to pass to the process on entry
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public:
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handle_t handle; //!< The handle of the current thread in it's parent process's handle table
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pid_t pid; //!< The PID of the current thread (As in kernel PID and not PGID [In short, Linux implements threads as processes that share a lot of stuff at the kernel level])
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u64 stack_top; //!< The top of the stack (Where it starts growing downwards from)
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u64 tls; //!< The address of TLS (Thread Local Storage) slot assigned to the current thread
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u8 priority; //!< Hold the priority of a thread in Nintendo format
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/**
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* @param handle The handle of the current thread
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* @param pid The PID of the current thread
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* @param entry_point The address to start execution at
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* @param entry_arg An argument to pass to the process on entry
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* @param stack_top The top of the stack
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* @param tls The address of the TLS slot assigned
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* @param priority The priority of the thread in Nintendo format
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* @param parent The parent process of this thread
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* @param arg An optional argument to pass to the process
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*/
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KThread(handle_t handle, pid_t pid, u64 entry_point, u64 entry_arg, u64 stack_top, u64 tls, u8 priority, KProcess *parent, const device_state &state);
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/**
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* Kills the thread and deallocates the memory allocated for stack.
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*/
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~KThread();
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/**
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* Starts the current thread
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*/
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void Start();
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/**
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* Set the priority of the current thread to `priority` using setpriority [https://linux.die.net/man/3/setpriority].
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* We rescale the priority from Nintendo scale to that of Android.
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* @param priority The priority of the thread in Nintendo format
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*/
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void UpdatePriority(u8 priority);
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};
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}
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