#pragma once #include "cpu_context.h" #include "mem.h" #define KTHREAD_NAME_MAX_LENGTH 32 #define KTHREAD_DEFAULT_STACK_SIZE PAGE_SIZE typedef enum { RUNNING, READY, SLEEPING, WAITING, EXITING } kthread_state; struct kthread { char name[KTHREAD_NAME_MAX_LENGTH]; struct cpu_state *cpuState; kthread_state state; vaddr_t stackAddr; size_t stackSize; unsigned long jiffiesSleeping; struct kthread *next; struct kthread *prev; }; int kthreadSetup(vaddr_t mainStack, size_t mainStackSize); void kthreadExit(); struct kthread *kthreadCreate(const char *name, cpu_kstate_function_arg1_t func, void *args); void kthreadDelete(struct kthread *thread); struct kthread *kthreadSelectNext(); struct cpu_state *kthreadSwitch(struct cpu_state *prevCpu); int kthreadYield(); int kthreadSaveAndYield(struct kthread *); int kthreadMsleep(unsigned long msec); int kthreadOnJieffiesTick(); struct kthread *getCurrentThread(); int kthreadAddThread(struct kthread *th); int kthreadUnsched(struct kthread *th);