matos/core/kthread.h
2020-08-20 23:41:12 +02:00

48 lines
1.2 KiB
C

#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;
int sleepHaveTimeouted;
struct kthread *next;
struct kthread *prev;
struct kthread *timeNext;
struct kthread *timePrev;
};
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 kthreadWait(struct kthread *current, struct kthread *next, unsigned long msec);
int kthreadUnsched(struct kthread *th);
int kthreadMsleep(unsigned long msec);
int kthreadOnJieffiesTick();
struct kthread *getCurrentThread();
int kthreadAddThread(struct kthread *th);