636 lines
21 KiB
C
636 lines
21 KiB
C
#ifndef SIMULATORX
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#define SIMULATORX
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#include "StandardConstants.h"
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#include "configops.h"
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#include "metadataops.h"
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#include "simtimer.h"
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#include <pthread.h>
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// data structures
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typedef enum{
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PROCESS_STATE_NEW = 0,
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PROCESS_STATE_READY,
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PROCESS_STATE_RUNNING,
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PROCESS_STATE_BLOCKED,
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PROCESS_STATE_TERMINATED
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} PROCESS_STATES;
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typedef enum{
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MEMORY_INITIALIZE = 0,
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MEMORY_ACCESS,
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MEMORY_ALLOCATE,
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MEMORY_CLEAR,
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MEMORY_DEALLOCATE
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} MEMORY_SIGNALS;
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typedef enum{
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IO_RETURN = 0,
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QUANTUM_TIMEOUT,
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CPU_SWITCH,
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CLEAR_INTERRUPT
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} INTERRUPT_ROUTINE;
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typedef struct logFileStruct
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{
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char stringData[HUGE_STR_LEN];
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// connect to the next process control block here
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struct logFileStruct *nextPtr;
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} logFile;
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typedef struct logFileLLStruct
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{
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// holds the head ptr for PCBs
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logFile *headPtr;
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} logFileLL;
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typedef struct ProcessControlBlockStruct
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{
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int uniquePid;
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PROCESS_STATES process_state;
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// need a process start ptr for where the process starts.
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// this will be a mini loop within the master loop that goes until it
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// hits the app end command.
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// it may hold the next opcode, since you don't need to traverse backward
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OpCodeType *nextOpCode;
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// have an IO cycle count here
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int ioCycles;
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// have a CPU cycle count here
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int cpuCycles;
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// maybe have a total cycle count here
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int totalCycles;
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// time left could be calculated from these.
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// potentially could change the cycles or have a 'left' variable to
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// see how many are left.
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// also need a time left state here?
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double timeLeft;
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// allocated memory array (stores the offsets)
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int *allocatedMemOffsets;
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// allocated memory array sizes (stores the sizes for each offset)
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int *allocatedMemSizes;
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// size of memory array
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int memArraySize;
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// connect to the next process control block here
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struct ProcessControlBlockStruct *nextPtr;
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} ProcessControlBlock;
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typedef struct ProcessControlBlockLLStruct
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{
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// holds the head ptr for PCBs
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ProcessControlBlock *headPtr;
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} ProcessControlBlockLL;
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/*
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Name: ???
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Process: ???
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Function Input/Parameters: ???
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Function Output/Parameters: none
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Function Output/Returned: none
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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/*
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Name: ???
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Process: ???
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Function Input/Parameters: ???
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Function Output/Parameters: none
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Function Output/Returned: none
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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/*
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Name: accessMemory
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Process: checks that the memory is between the offset and the size.
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checks that the memory is ???
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Function Input/Parameters: source PCB (ProcessControlBlock *), offset (int), size (int)
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Function Output/Parameters: none
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Function Output/Returned: boolean to indicate success or failure of accessed memory
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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bool accessMemory(ProcessControlBlock *singlePCB, int offset, int size);
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/*
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Name: addLog
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Process: allocates the memory for the log, ...
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Function Input/Parameters: source log (logFile)
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Function Output/Parameters: none
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Function Output/Returned: filled PCB (logFile *)
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: malloc, sizeof, ???
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*/
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logFile *addLog(const logFile source);
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/*
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Name: addProcess
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Process: allocates the memory for the pcb, grabs the data from the created PCB,
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dumps the data so that the node can be linked correctly.
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Function Input/Parameters: source PCB (ProcessControlBlock)
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Function Output/Parameters: none
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Function Output/Returned: filled PCB (ProcessControlBlock *)
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: malloc, sizeof, ???
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*/
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ProcessControlBlock *addProcess(const ProcessControlBlock source);
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/*
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Name: allocMemory
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Process: 'allocates' memory within the PCB, stores offset and size within it's PCB
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Function Input/Parameters: source PCB (ProcessControlBlock *), offset (int), size (int)
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Function Output/Parameters: none
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Function Output/Returned: boolean to indicate success or failure of allocated memory
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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bool allocMemory(ProcessControlBlock *singlePCB, int offset, int size, int arraySize);
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/*
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Name: createFileLogList
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Process: initializes the logging file struct
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Function Input/Parameters: none
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Function Output/Parameters: none
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Function Output/Returned: head pointer to the logfile struct
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: malloc, sizeof, ???
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*/
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logFileLL *createFileLogList();
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/*
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Name: createProcessList
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Process: reads through the opcode struct to fill out the linked list of PCBs
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Function Input/Parameters: none
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Function Output/Parameters: none
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Function Output/Returned: head pointer to the PCBs
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: malloc, sizeof, ???
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*/
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ProcessControlBlockLL *createProcessList();
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/*
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Name: deallocMemory
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Process: 'deallocates' memory within the PCB, removes every offset and size within it's PCB
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Function Input/Parameters: source PCB (ProcessControlBlock *)
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Function Output/Parameters: none
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Function Output/Returned: boolean to indicate success or failure of allocated memory
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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bool deallocMemory(ProcessControlBlock *singlePCB, int arraySize);
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/*
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Name: destroyFileLogList
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Process: deallocates memory used for the linked list struct
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Function Input/Parameters: head pointer to linked list (logFileLL *)
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Function Output/Parameters: none
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Function Output/Returned: NULL
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: free, destroyFileLogHelper, ???
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*/
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logFileLL *destroyFileLogList(logFileLL *linkedListPtr);
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/*
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Name: destroyProcessList
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Process: deallocates memory used for the linked list struct
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Function Input/Parameters: head pointer to linked list (ProcessControlBlockLL *)
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Function Output/Parameters: none
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Function Output/Returned: NULL
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: free, destroyProcessListHelper, ???
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*/
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ProcessControlBlockLL *destroyProcessList(ProcessControlBlockLL *linkedListPtr);
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/*
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Name: destroyFileLogHelper
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Process: recursively clears the logfile linked list struct, freeing the struct
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Function Input/Parameters: head pointer to logfile list (logFile *)
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Function Output/Parameters: none
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Function Output/Returned: NULL
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: free, destroyFileLogHelper(recursively), ???
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*/
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logFile *destroyFileLogHelper(logFile *nodePtr);
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/*
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Name: destroyProcessListHelper
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Process: recursively clears the PCB linked list struct, freeing the struct
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Function Input/Parameters: head pointer to linked list (ProcessControlBlockLL *)
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Function Output/Parameters: none
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Function Output/Returned: NULL
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: free, destroyProcessListHelper(recursively), ???
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*/
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ProcessControlBlock *destroyProcessListHelper(ProcessControlBlock *nodePtr);
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/*
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Name: fillProcessList
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Process: iterates through the metadata LL, fills out each process as needed.
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Function Input/Parameters: metadata (OpCodeType *),
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headPointer (ProcessControlBlockLL *)
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Function Output/Parameters: none
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Function Output/Returned: pointer to filled PCB (ProcessControlBlockLL *)
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *metadataPtr, ProcessControlBlockLL *headPointer);
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/*
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Name: findMin
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Process: compares two values, returns the smaller of the two.
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Function Input/Parameters: two integer values (int)
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Function Output/Parameters: none
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Function Output/Returned: minimum of the two input integer values (int)
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: none
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*/
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int findMin(int one, int another);
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/*
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Name: interruptManager
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Process: does the managing of interrupts for the program
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Function Input/Parameters: ???
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Function Output/Parameters: none
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Function Output/Returned: ???
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: none
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*/
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bool interruptManager(ConfigDataType *configPtr, ProcessControlBlock *singlePCB, INTERRUPT_ROUTINE interruptRequest);
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/*
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Name: logOutput
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Process: Takes in a string, and then outputs it to monitor AND/OR file
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Function Input/Parameters: string (char *), file pointer (FILE *),
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configuration data (ConfigDataType *),
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end of simulator (bool)
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Function Output/Parameters: none
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Function Output/Returned: none
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: fprintf, ???
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*/
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logFileLL *logOutput(ConfigDataType *configPtr, char *logStr, bool isEnd, logFileLL *logPtr);
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/*
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Name: memManager
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Process: checks to make sure an allocate will be successful,
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makes sure that an access will not segfault (or return segfault if it does),
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and initializes memory and deallocates memory
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Function Input/Parameters: PCBList (ProcessControlBlockLL *), memory code (MEMORY_SIGNALS),
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offset (int), size (int), configuration data (ConfigDataType *)
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Function Output/Parameters: none
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Function Output/Returned: boolean for success or failure of memory management
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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bool memManager(ProcessControlBlockLL *pcbList, MEMORY_SIGNALS memCode, int offset, int size, ConfigDataType *configPtr,
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ProcessControlBlock *singlePCB);
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/*
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Name: runCPU
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Process: runs the CPU operations for however long it takes
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Function Input/Parameters: ???
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Function Output/Parameters: none
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Function Output/Returned: none
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: pthreads, sprintf, logOutput, ???
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*/
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void runCPU(char *command, char *argument, int intArg, ConfigDataType *configPtr, int processId,
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ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod, logFileLL *logList);
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/*
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Name: runIO
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Process: runs the IO operations for however long it takes
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Function Input/Parameters: ???
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Function Output/Parameters: none
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Function Output/Returned: none
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: pthreads, sprintf, logOutput, ???
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*/
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void runIO(char *command, char *argument, int intArg, ConfigDataType *configPtr, int processId,
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ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod, logFileLL *logList);
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/*
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Name: runProcess
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Process: runs the process that was selected
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Function Input/Parameters: ???
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Function Output/Parameters: none
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Function Output/Returned: none
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: accessTimer, compareString, runCPU, runIO, ???
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*/
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void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, ProcessControlBlockLL *pcbList,
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ConfigDataCodes schedMethod, logFileLL *logList);
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/*
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Name: runSim
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Process: primary simulation driver
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Function Input/Parameters: configuration data (ConfigDataType *),
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metadata (OpCodeType *)
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Function Output/Parameters: none
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Function Output/Returned: none
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: pthreads, accessTimer, sprintf, logOutput, runProcess, destroyProcessList, ???
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*/
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void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr);
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/*
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Name: scheduleProcess
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Process: takes in the scheduling data, and then returns which process is to be ran
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Function Input/Parameters: head pointer of PCB List (ProcessControlBlockLL *),
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configuration data (ConfigDataType *)
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Function Output/Parameters: none
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Function Output/Returned: none
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: sprintf, logOutput, ???
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*/
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int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPtr, logFileLL *logList); /*
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Name: accessMemory
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Process: checks that the memory is between the offset and the size.
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checks that the memory is ???
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Function Input/Parameters: source PCB (ProcessControlBlock *), offset (int), size (int)
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Function Output/Parameters: none
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Function Output/Returned: boolean to indicate success or failure of accessed memory
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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bool accessMemory(ProcessControlBlock *singlePCB, int offset, int size);
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/*
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Name: addLog
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Process: allocates the memory for the log, ...
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Function Input/Parameters: source log (logFile)
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Function Output/Parameters: none
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Function Output/Returned: filled PCB (logFile *)
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: malloc, sizeof, ???
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*/
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logFile *addLog(const logFile source);
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/*
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Name: addProcess
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Process: allocates the memory for the pcb, grabs the data from the created PCB,
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dumps the data so that the node can be linked correctly.
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Function Input/Parameters: source PCB (ProcessControlBlock)
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Function Output/Parameters: none
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Function Output/Returned: filled PCB (ProcessControlBlock *)
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: malloc, sizeof, ???
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*/
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ProcessControlBlock *addProcess(const ProcessControlBlock source);
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/*
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Name: allocMemory
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Process: 'allocates' memory within the PCB, stores offset and size within it's PCB
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Function Input/Parameters: source PCB (ProcessControlBlock *), offset (int), size (int)
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Function Output/Parameters: none
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Function Output/Returned: boolean to indicate success or failure of allocated memory
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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bool allocMemory(ProcessControlBlock *singlePCB, int offset, int size, int arraySize);
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/*
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Name: createFileLogList
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Process: initializes the logging file struct
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Function Input/Parameters: none
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Function Output/Parameters: none
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Function Output/Returned: head pointer to the logfile struct
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: malloc, sizeof, ???
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*/
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logFileLL *createFileLogList();
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/*
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Name: createProcessList
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Process: reads through the opcode struct to fill out the linked list of PCBs
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Function Input/Parameters: none
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Function Output/Parameters: none
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Function Output/Returned: head pointer to the PCBs
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: malloc, sizeof, ???
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*/
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ProcessControlBlockLL *createProcessList();
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/*
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Name: deallocMemory
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Process: 'deallocates' memory within the PCB, removes every offset and size within it's PCB
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Function Input/Parameters: source PCB (ProcessControlBlock *)
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Function Output/Parameters: none
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Function Output/Returned: boolean to indicate success or failure of allocated memory
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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bool deallocMemory(ProcessControlBlock *singlePCB, int arraySize);
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/*
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Name: destroyFileLogList
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Process: deallocates memory used for the linked list struct
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Function Input/Parameters: head pointer to linked list (logFileLL *)
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Function Output/Parameters: none
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Function Output/Returned: NULL
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: free, destroyFileLogHelper, ???
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*/
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logFileLL *destroyFileLogList(logFileLL *linkedListPtr);
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/*
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Name: destroyProcessList
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Process: deallocates memory used for the linked list struct
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Function Input/Parameters: head pointer to linked list (ProcessControlBlockLL *)
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Function Output/Parameters: none
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Function Output/Returned: NULL
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: free, destroyProcessListHelper, ???
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*/
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ProcessControlBlockLL *destroyProcessList(ProcessControlBlockLL *linkedListPtr);
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/*
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Name: destroyFileLogHelper
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Process: recursively clears the logfile linked list struct, freeing the struct
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Function Input/Parameters: head pointer to logfile list (logFile *)
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Function Output/Parameters: none
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Function Output/Returned: NULL
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: free, destroyFileLogHelper(recursively), ???
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*/
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logFile *destroyFileLogHelper(logFile *nodePtr);
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/*
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Name: destroyProcessListHelper
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Process: recursively clears the PCB linked list struct, freeing the struct
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Function Input/Parameters: head pointer to linked list (ProcessControlBlockLL *)
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Function Output/Parameters: none
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Function Output/Returned: NULL
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: free, destroyProcessListHelper(recursively), ???
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*/
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ProcessControlBlock *destroyProcessListHelper(ProcessControlBlock *nodePtr);
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/*
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Name: fillProcessList
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Process: iterates through the metadata LL, fills out each process as needed.
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Function Input/Parameters: metadata (OpCodeType *),
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headPointer (ProcessControlBlockLL *)
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Function Output/Parameters: none
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Function Output/Returned: pointer to filled PCB (ProcessControlBlockLL *)
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: ???
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*/
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ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *metadataPtr, ProcessControlBlockLL *headPointer);
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/*
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Name: findMin
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Process: compares two values, returns the smaller of the two.
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Function Input/Parameters: two integer values (int)
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Function Output/Parameters: none
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Function Output/Returned: minimum of the two input integer values (int)
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: none
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*/
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int findMin(int one, int another);
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/*
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Name: interruptManager
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Process: does the managing of interrupts for the program
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Function Input/Parameters: ???
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Function Output/Parameters: none
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Function Output/Returned: ???
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Device Input/Device: none
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Device Output/Device: none
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Dependencies: none
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*/
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bool interruptManager(ConfigDataType *configPtr, ProcessControlBlock *singlePCB, INTERRUPT_ROUTINE interruptRequest);
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|
/*
|
|
Name: logOutput
|
|
Process: Takes in a string, and then outputs it to monitor AND/OR file
|
|
Function Input/Parameters: string (char *), file pointer (FILE *),
|
|
configuration data (ConfigDataType *),
|
|
end of simulator (bool)
|
|
Function Output/Parameters: none
|
|
Function Output/Returned: none
|
|
Device Input/Device: none
|
|
Device Output/Device: none
|
|
Dependencies: fprintf, ???
|
|
*/
|
|
logFileLL *logOutput(ConfigDataType *configPtr, char *logStr, bool isEnd, logFileLL *logPtr);
|
|
|
|
/*
|
|
Name: memManager
|
|
Process: checks to make sure an allocate will be successful,
|
|
makes sure that an access will not segfault (or return segfault if it does),
|
|
and initializes memory and deallocates memory
|
|
Function Input/Parameters: PCBList (ProcessControlBlockLL *), memory code (MEMORY_SIGNALS),
|
|
offset (int), size (int), configuration data (ConfigDataType *)
|
|
Function Output/Parameters: none
|
|
Function Output/Returned: boolean for success or failure of memory management
|
|
Device Input/Device: none
|
|
Device Output/Device: none
|
|
Dependencies: ???
|
|
*/
|
|
bool memManager(ProcessControlBlockLL *pcbList, MEMORY_SIGNALS memCode, int offset, int size, ConfigDataType *configPtr,
|
|
ProcessControlBlock *singlePCB);
|
|
|
|
/*
|
|
Name: runCPU
|
|
Process: runs the CPU operations for however long it takes
|
|
Function Input/Parameters: ???
|
|
Function Output/Parameters: none
|
|
Function Output/Returned: none
|
|
Device Input/Device: none
|
|
Device Output/Device: none
|
|
Dependencies: pthreads, sprintf, logOutput, ???
|
|
*/
|
|
void runCPU(char *command, char *argument, int intArg, ConfigDataType *configPtr, int processId,
|
|
ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod, logFileLL *logList);
|
|
|
|
/*
|
|
Name: runIO
|
|
Process: runs the IO operations for however long it takes
|
|
Function Input/Parameters: ???
|
|
Function Output/Parameters: none
|
|
Function Output/Returned: none
|
|
Device Input/Device: none
|
|
Device Output/Device: none
|
|
Dependencies: pthreads, sprintf, logOutput, ???
|
|
*/
|
|
void runIO(char *command, char *argument, int intArg, ConfigDataType *configPtr, int processId,
|
|
ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod, logFileLL *logList);
|
|
|
|
/*
|
|
Name: runProcess
|
|
Process: runs the process that was selected
|
|
Function Input/Parameters: ???
|
|
Function Output/Parameters: none
|
|
Function Output/Returned: none
|
|
Device Input/Device: none
|
|
Device Output/Device: none
|
|
Dependencies: accessTimer, compareString, runCPU, runIO, ???
|
|
*/
|
|
void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, ProcessControlBlockLL *pcbList,
|
|
ConfigDataCodes schedMethod, logFileLL *logList);
|
|
|
|
/*
|
|
Name: runSim
|
|
Process: primary simulation driver
|
|
Function Input/Parameters: configuration data (ConfigDataType *),
|
|
metadata (OpCodeType *)
|
|
Function Output/Parameters: none
|
|
Function Output/Returned: none
|
|
Device Input/Device: none
|
|
Device Output/Device: none
|
|
Dependencies: pthreads, accessTimer, sprintf, logOutput, runProcess, destroyProcessList, ???
|
|
*/
|
|
void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr);
|
|
|
|
/*
|
|
Name: scheduleProcess
|
|
Process: takes in the scheduling data, and then returns which process is to be ran
|
|
Function Input/Parameters: head pointer of PCB List (ProcessControlBlockLL *),
|
|
configuration data (ConfigDataType *)
|
|
Function Output/Parameters: none
|
|
Function Output/Returned: none
|
|
Device Input/Device: none
|
|
Device Output/Device: none
|
|
Dependencies: sprintf, logOutput, ???
|
|
*/
|
|
int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPtr, logFileLL *logList);
|
|
|
|
#endif // SIMULATORX
|