mirror of
https://github.com/skyline-emu/skyline.git
synced 2024-06-02 10:18:46 +02:00
56 lines
2.5 KiB
C
56 lines
2.5 KiB
C
|
#pragma once
|
||
|
|
||
|
#include "KSyncObject.h"
|
||
|
|
||
|
namespace skyline::kernel::type {
|
||
|
/**
|
||
|
* @brief KThread class is responsible for holding the state of a thread
|
||
|
*/
|
||
|
class KThread : public KSyncObject {
|
||
|
private:
|
||
|
KProcess *parent; //!< The parent process of this thread
|
||
|
u64 entryPoint; //!< The address to start execution at
|
||
|
u64 entryArg; //!< An argument to pass to the process on entry
|
||
|
|
||
|
public:
|
||
|
enum class ThreadStatus { Created, Running, Waiting, Runnable } status = ThreadStatus::Created; //!< The state of the thread
|
||
|
std::vector<handle_t> waitHandles; //!< A vector holding handles this thread is waiting for
|
||
|
u64 timeoutEnd{}; //!< The time when a svcWaitSynchronization
|
||
|
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])
|
||
|
u64 stackTop; //!< The top of the stack (Where it starts growing downwards from)
|
||
|
u64 tls; //!< The address of TLS (Thread Local Storage) slot assigned to the current thread
|
||
|
u8 priority; //!< Hold the priority of a thread in Nintendo format
|
||
|
|
||
|
/**
|
||
|
* @param handle The handle of the current thread
|
||
|
* @param parent_pid The PID of the main thread
|
||
|
* @param state The state of the device
|
||
|
* @param self_pid The PID of this thread
|
||
|
* @param entryPoint The address to start execution at
|
||
|
* @param entryArg An argument to pass to the process on entry
|
||
|
* @param stackTop The top of the stack
|
||
|
* @param tls The address of the TLS slot assigned
|
||
|
* @param priority The priority of the thread in Nintendo format
|
||
|
* @param parent The parent process of this thread
|
||
|
*/
|
||
|
KThread(handle_t handle, pid_t parent_pid, const DeviceState &state, pid_t self_pid, u64 entryPoint, u64 entryArg, u64 stackTop, u64 tls, u8 priority, KProcess *parent);
|
||
|
|
||
|
/**
|
||
|
* @brief Kills the thread and deallocates the memory allocated for stack.
|
||
|
*/
|
||
|
~KThread();
|
||
|
|
||
|
/**
|
||
|
* @brief Starts the current thread
|
||
|
*/
|
||
|
void Start();
|
||
|
|
||
|
/**
|
||
|
* @brief Update the priority level for the process.
|
||
|
* @details Set the priority of the current thread to `priority` using setpriority [https://linux.die.net/man/3/setpriority]. We rescale the priority from Nintendo scale to that of Android.
|
||
|
* @param priority The priority of the thread in Nintendo format
|
||
|
*/
|
||
|
void UpdatePriority(u8 priority);
|
||
|
};
|
||
|
}
|