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66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/**
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* @file thread.h
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* @brief Multi-threading support
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* @author plutoo
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* @copyright libnx Authors
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*/
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#pragma once
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#include "../types.h"
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/// Thread information structure.
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typedef struct {
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Handle handle; ///< Thread handle.
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void* stack_mem; ///< Pointer to stack memory.
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void* stack_mirror; ///< Pointer to stack memory mirror.
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size_t stack_sz; ///< Stack size.
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} Thread;
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/**
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* @brief Creates a thread.
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* @param t Thread information structure which will be filled in.
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* @param entry Entrypoint of the thread.
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* @param arg Argument to pass to the entrypoint.
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* @param stack_sz Stack size (rounded up to page alignment).
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* @param prio Thread priority (0x00~0x3F); 0x2C is the usual priority of the main thread, 0x3B is a special priority on cores 0..2 that enables preemptive multithreading (0x3F on core 3).
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* @param cpuid ID of the core on which to create the thread (0~3); or -2 to use the default core for the current process.
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* @return Result code.
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*/
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Result threadCreate(
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Thread* t, ThreadFunc entry, void* arg, size_t stack_sz, int prio,
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int cpuid);
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/**
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* @brief Starts the execution of a thread.
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* @param t Thread information structure.
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* @return Result code.
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*/
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Result threadStart(Thread* t);
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/**
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* @brief Waits for a thread to finish executing.
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* @param t Thread information structure.
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* @return Result code.
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*/
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Result threadWaitForExit(Thread* t);
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/**
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* @brief Frees up resources associated with a thread.
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* @param t Thread information structure.
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* @return Result code.
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*/
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Result threadClose(Thread* t);
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/**
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* @brief Pauses the execution of a thread.
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* @param t Thread information structure.
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* @return Result code.
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*/
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Result threadPause(Thread* t);
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/**
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* @brief Resumes the execution of a thread, after having been paused.
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* @param t Thread information structure.
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* @return Result code.
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*/
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Result threadResume(Thread* t);
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