#ifndef ZIVUOS_PROCESS_H_INCLUDED
#define ZIVUOS_PROCESS_H_INCLUDED

#include "porttypes.h"
#include "worker.h"
#include "pipe.h"

typedef enum zv_process_state_e {
    /* Process waiting for free processor time */
    WAITING,
    
    /* Process current executing by processor */
    RUNNING,

    /* Process waiting for IRQ (param) */
    IRQ_WAITING,

    /* Process waiting for new data in PIPE */
    PIPE_WAITING,

    /* Process waiting for ticks (param) */
    TIME_WAITING
} zv_process_state_t;

typedef union zv_process_param_u {
    /* Required for TIME_WAITING */
    zv_ticks_t time;
    
    /* Required for IRQ_WAITING */
    zv_irq_t irq;
} zv_process_param_t;

typedef struct zv_process_s {
    /* Current state of process */
    zv_process_state_t state;

    /* Pipe for processes communication */
    zv_pipe_t pipe;

    /* Priority of process (lower number -> higher priority) */
    zv_uint_t priority;
    
    /* Param for the process */
    zv_process_param_t param;

    /* Worker of the process */
    zv_worker_t worker;
} zv_process_t;

#ifdef USING_NAMESPACE_ZV

typedef zv_process_t process_t;
typedef zv_process_param_t process_param_t;
typedef zv_process_state_t process_state_t;

#endif

#endif