cx-zivuos/headers/zivuos/models.h

#ifndef CX_ZIVUOS_MODELS_H_INCLUDED
#define CX_ZIVUOS_MODELS_H_INCLUDED

#include <stdint.h>
#include <stdbool.h>

typedef uint16_t zv_pid_t;
typedef uint8_t zv_priority_t;

typedef enum zv_state_e {
    ZV_EMPTY,
    ZV_WORKING,
    ZV_READY,
    ZV_INTERRUPTED,
    ZV_INTERRUPT_WAITING,
    ZV_WAITING
} zv_state_t;

typedef union zv_universal_u {
    uintptr_t unumber;
    intptr_t number;
    void *pointer;
    char *cstring;
} zv_universal_t;

struct zv_kernel_s;
struct zv_process_s;

typedef zv_state_t (*zv_worker_t) (
    struct zv_kernel_s *, 
    struct zv_process_s *
);

#define ZV_LOWEST_PRIORITY UINT8_MAX
#define ZV_ERROR_PID UINT16_MAX
#define ZV_NULL_PARAM ((zv_universal_t) NULL)

#endif