53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#pragma once
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struct thread;
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#include "cpu_context.h"
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#include "mem.h"
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#include "process.h"
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#define THREAD_NAME_MAX_LENGTH 32
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#define THREAD_DEFAULT_STACK_SIZE PAGE_SIZE
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typedef enum {
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RUNNING,
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READY,
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SLEEPING,
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WAITING,
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EXITING
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} thread_state;
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struct thread {
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char name[THREAD_NAME_MAX_LENGTH];
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struct cpu_state *cpuState;
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thread_state state;
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vaddr_t stackAddr;
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size_t stackSize;
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unsigned long jiffiesSleeping;
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int sleepHaveTimeouted;
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struct thread *next, *prev;
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struct thread *timeNext, *timePrev;
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// For User thread only
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struct thread *nextInProcess, *prevInProcess;
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struct process *process;
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};
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int threadSetup(vaddr_t mainStack, size_t mainStackSize);
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void threadExit();
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struct thread *threadCreate(const char *name, cpu_kstate_function_arg1_t func, void *args);
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void threadDelete(struct thread *thread);
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struct thread *threadSelectNext();
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struct cpu_state *threadSwitch(struct cpu_state *prevCpu);
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int threadYield();
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int threadWait(struct thread *current, struct thread *next, unsigned long msec);
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int threadUnsched(struct thread *th);
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int threadMsleep(unsigned long msec);
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int threadOnJieffiesTick();
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struct thread *getCurrentThread();
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int threadAddThread(struct thread *th);
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