/*
 * task-2-29994705.h
 * 
 * Alexander Occhipinti
 * Student ID: 29994705
 * Created: 18 Oct 2020 
 * Modified: 19 Oct 2020 
 * 
 * The header file for task-2-29994705.c
 * See task-2-29994705.c for documentation
 *  
*/

#ifndef _TASK2_H
#define _TASK2_H

#define DEFAULT_INPUT_PATH "process-data.txt" // Default file path to read the process PCBs from before simulation
#define RESULT_FILE_PATH "scheduler-result.txt" // Default file path for the results after simulation
#define MAX_PATH_SIZE 256
#define MAX_QUEUE_SIZE 10
#define MAX_NUM_PROCS 10
#define TIME_QUANTUM 2
#define WAIT_PER_CYCLE 1


/* Special enumerated data type for process state */
typedef enum {
    UNENTERED, READY, RUNNING, PAUSED, EXIT
} process_state_t;


/* C data structure used as process control block. 
 * The scheduler should create one instance 
 * per running process in the system
*/
typedef struct {
    char process_name[11]; //  a string that identifies the process
    
    /* Times measured in seconds */
    int entryTime; // time process entered system
    int serviceTime; // the total CPU time required by the process
    int deadline; // The deadline of the process (for analysis)
    
    int remainingTime; // remaining service time until completion
    int timeStarted; // the time the process entered the RUNNING state
    int timeFinished; // the time the process entered the EXIT state (i.e. it completed)
    
    process_state_t state; // current process state (e.g. READY)
    
} pcb_t;


#endif