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#pragma once
#include <sys.h>
#include <paging.h>
#include <region.h>
#define T_STATE_RUNNING 1
#define T_STATE_FINISHED 2
#define T_STATE_WAITING 3
#define KPROC_STACK_SIZE 0x8000 // 8Kb
#define TASK_SWITCH_FREQUENCY 100 // in herz
typedef struct saved_context {
uint32_t *esp;
void (*eip)();
} saved_context_t;
typedef struct task {
saved_context_t ctx;
pagedir_t *current_pd_d;
uint32_t state;
void* result;
bool has_result;
region_info_t *stack_region;
void* more_data;
struct task *next_in_queue;
} task_t;
typedef void (*entry_t)(void*);
void tasking_setup(entry_t cont, void* data); // never returns
task_t *new_task(entry_t entry); // task is PAUSED, and must be resume_with_result'ed
extern task_t *current_task;
void yield();
void* wait_for_result();
void resume_with_result(task_t *task, void* data, bool run_at_once);
/* vim: set ts=4 sw=4 tw=0 noet :*/
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