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isn't working on my VM for some reason. will try on other devices.

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This commit is contained in:
Charles Descamps 2024-04-21 16:12:29 -07:00
parent a7506f82c8
commit 2c2f2cf848
5 changed files with 616 additions and 93 deletions
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Sim04/logfile_1.lgf
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@ -0,0 +1 @@
0.000000, OS: Simulator start

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264
Sim04/simulator.c
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@ -17,6 +17,32 @@ bool accessMemory(ProcessControlBlock *singlePCB, int offset, int size)
return true; return true;
} }
/*
Name: addLog
Process: allocates the memory for the log, ...
Function Input/Parameters: source log (logFile)
Function Output/Parameters: none
Function Output/Returned: filled PCB (logFile *)
Device Input/Device: none
Device Output/Device: none
Dependencies: malloc, sizeof, ???
*/
logFile *addLog(const logFile source)
{
// declare a pointer to working node
logFile *workingNode;
// make some space that the pointer is pointing to
workingNode = malloc(sizeof(logFile));
// make some space for the string data
// workingNode->stringData = malloc(sizeof(source.stringData));
// get each value from the source, and set their values
copyString(workingNode->stringData, source.stringData);
// make sure to set the next pointer to NULL!
workingNode->nextPtr = NULL;
// return workingNode
return workingNode;
}
/* /*
Name: addProcess Name: addProcess
Process: allocates the memory for the pcb, grabs the data from the created PCB, Process: allocates the memory for the pcb, grabs the data from the created PCB,
@ -77,6 +103,27 @@ bool allocMemory(ProcessControlBlock *singlePCB, int offset, int size, int array
return true; return true;
} }
/*
Name: createFileLogList
Process: initializes the logging file struct
Function Input/Parameters: none
Function Output/Parameters: none
Function Output/Returned: head pointer to the logfile struct
Device Input/Device: none
Device Output/Device: none
Dependencies: malloc, sizeof, ???
*/
logFileLL *createFileLogList()
{
// allocate and create the logFileLL using malloc and size of
logFileLL *headBlock;
headBlock = malloc(sizeof(logFileLL));
// set the head pointer to NULL
headBlock->headPtr = NULL;
// return headBlock
return headBlock;
}
/* /*
Name: createProcessList Name: createProcessList
Process: reads through the opcode struct to fill out the linked list of PCBs Process: reads through the opcode struct to fill out the linked list of PCBs
@ -122,6 +169,26 @@ bool deallocMemory(ProcessControlBlock *singlePCB, int arraySize)
return true; return true;
} }
/*
Name: destroyFileLogList
Process: deallocates memory used for the linked list struct
Function Input/Parameters: head pointer to linked list (logFileLL *)
Function Output/Parameters: none
Function Output/Returned: NULL
Device Input/Device: none
Device Output/Device: none
Dependencies: free, destroyFileLogHelper, ???
*/
logFileLL *destroyFileLogList(logFileLL *linkedListPtr)
{
// call the first destroyFileLogHelper
destroyFileLogHelper(linkedListPtr->headPtr);
// free the rest of the struct
free(linkedListPtr);
// return null
return NULL;
}
/* /*
Name: destroyProcessList Name: destroyProcessList
Process: deallocates memory used for the linked list struct Process: deallocates memory used for the linked list struct
@ -142,6 +209,30 @@ ProcessControlBlockLL *destroyProcessList(ProcessControlBlockLL *linkedListPtr)
return NULL; return NULL;
} }
/*
Name: destroyFileLogHelper
Process: recursively clears the logfile linked list struct, freeing the struct
Function Input/Parameters: head pointer to logfile list (logFile *)
Function Output/Parameters: none
Function Output/Returned: NULL
Device Input/Device: none
Device Output/Device: none
Dependencies: free, destroyFileLogHelper(recursively), ???
*/
logFile *destroyFileLogHelper(logFile *nodePtr)
{
// check to see if the pointer is NOT null
if (nodePtr != NULL)
{
// if not null, move to the next pointer (recurse)
nodePtr->nextPtr = destroyFileLogHelper(nodePtr->nextPtr);
}
// free the 'parent' node
free(nodePtr);
// return null
return NULL;
}
/* /*
Name: destroyProcessListHelper Name: destroyProcessListHelper
Process: recursively clears the PCB linked list struct, freeing the struct Process: recursively clears the PCB linked list struct, freeing the struct
@ -384,48 +475,65 @@ Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: fprintf, ??? Dependencies: fprintf, ???
*/ */
void logOutput(ConfigDataType *configPtr, char *logStr, bool isEnd) logFileLL *logOutput(ConfigDataType *configPtr, char *logStr, bool isEnd, logFileLL *logPtr)
{ {
if(configPtr->logToCode == LOGTO_BOTH_CODE) logFile toLog;
logFile *logStrPtr;
logFile *wkgLogPtr;
logFile *prevWkgLogPtr;
wkgLogPtr = logPtr->headPtr;
// close the file, if at the end.
if (isEnd)
{ {
// if (configPtr->logToCode == LOGTO_FILE_CODE)
{
//
printf("\nSimulator has output to the file '%s'.\n", configPtr->logToFileName);
}
FILE *fileWritePtr; FILE *fileWritePtr;
fileWritePtr = fopen(configPtr->logToFileName, "w+"); fileWritePtr = fopen(configPtr->logToFileName, "w");
if (fileWritePtr != NULL) if (fileWritePtr != NULL)
{ {
fprintf(fileWritePtr, "%s", logStr); while (wkgLogPtr != NULL)
fprintf(stdout, "%s", logStr); {
fprintf(fileWritePtr, "%s", wkgLogPtr->stringData);
wkgLogPtr = wkgLogPtr->nextPtr;
}
} }
// no return, void fclose(fileWritePtr);
// close the file, if at the end.
if (isEnd)
{
fclose(fileWritePtr);
}
// fclose(fileWritePtr);
}
else if(configPtr->logToCode == LOGTO_FILE_CODE)
{
//
printf("\nSimulator will output to a file.\n");
FILE *fileWritePtr;
fileWritePtr = fopen(configPtr->logToFileName, "w+");
if (fileWritePtr != NULL)
{
fprintf(fileWritePtr, "%s", logStr);
}
// no return, void
// close the file, if at the end.
if (isEnd)
{
fclose(fileWritePtr);
}
// fclose(fileWritePtr);
} }
else else
{ {
fprintf(stdout, "%s", logStr); // need to add the string to the end of the LL.
if(configPtr->logToCode == LOGTO_BOTH_CODE || configPtr->logToCode == LOGTO_FILE_CODE)
{
//
copyString(toLog.stringData, logStr);
toLog.nextPtr = NULL;
while (wkgLogPtr != NULL)
{
prevWkgLogPtr = wkgLogPtr;
wkgLogPtr = wkgLogPtr->nextPtr;
}
if (logPtr->headPtr == NULL)
{
logPtr->headPtr = addLog(toLog);
}
if (wkgLogPtr == NULL)
{
logStrPtr = addLog(toLog);
// prevWkgLogPtr->nextPtr = addLog(toLog);
// prevWkgLogPtr->nextPtr = logStrPtr;
wkgLogPtr = logStrPtr;
}
}
if (configPtr->logToCode == LOGTO_BOTH_CODE || configPtr->logToCode == LOGTO_MONITOR_CODE)
{
//
fprintf(stdout, "%s", logStr);
}
} }
return logPtr;
} }
/* /*
@ -636,8 +744,8 @@ Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: pthreads, sprintf, logOutput, ??? Dependencies: pthreads, sprintf, logOutput, ???
*/ */
void runCPU(char *command, char *argument, int intArg, ConfigDataType *configPtr, void runCPU(char *command, char *argument, int intArg, ConfigDataType *configPtr, int processId,
int processId, ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod) ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod, logFileLL *logList)
{ {
double timeDigits; double timeDigits;
char timeStringy[MAX_STR_LEN]; char timeStringy[MAX_STR_LEN];
@ -655,13 +763,13 @@ void runCPU(char *command, char *argument, int intArg, ConfigDataType *configPtr
cpuTime = intArg * configPtr->procCycleRate; cpuTime = intArg * configPtr->procCycleRate;
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(cpuOutput, "%f, Process: %d, %s %s operation start\n", timeDigits, processId, command, argument); sprintf(cpuOutput, "%f, Process: %d, %s %s operation start\n", timeDigits, processId, command, argument);
logOutput(configPtr, cpuOutput, false); logOutput(configPtr, cpuOutput, false, logList);
// run timer for intArg * procCycleRate // run timer for intArg * procCycleRate
pthread_create(&cpuThread, NULL, runTimer, (void *)cpuTimePtr); pthread_create(&cpuThread, NULL, runTimer, (void *)cpuTimePtr);
pthread_join(cpuThread, NULL); pthread_join(cpuThread, NULL);
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(cpuOutput, "%f, Process: %d, %s %s operation end\n", timeDigits, processId, command, argument); sprintf(cpuOutput, "%f, Process: %d, %s %s operation end\n", timeDigits, processId, command, argument);
logOutput(configPtr, cpuOutput, false); logOutput(configPtr, cpuOutput, false, logList);
// pthread_exit(NULL); // pthread_exit(NULL);
break; break;
@ -669,13 +777,13 @@ void runCPU(char *command, char *argument, int intArg, ConfigDataType *configPtr
cpuTime = intArg * configPtr->procCycleRate; cpuTime = intArg * configPtr->procCycleRate;
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(cpuOutput, "%f, Process: %d, %s %s operation start\n", timeDigits, processId, command, argument); sprintf(cpuOutput, "%f, Process: %d, %s %s operation start\n", timeDigits, processId, command, argument);
logOutput(configPtr, cpuOutput, false); logOutput(configPtr, cpuOutput, false, logList);
// run timer for intArg * procCycleRate // run timer for intArg * procCycleRate
pthread_create(&cpuThread, NULL, runTimer, (void *)cpuTimePtr); pthread_create(&cpuThread, NULL, runTimer, (void *)cpuTimePtr);
pthread_join(cpuThread, NULL); pthread_join(cpuThread, NULL);
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(cpuOutput, "%f, Process: %d, %s %s operation end\n", timeDigits, processId, command, argument); sprintf(cpuOutput, "%f, Process: %d, %s %s operation end\n", timeDigits, processId, command, argument);
logOutput(configPtr, cpuOutput, false); logOutput(configPtr, cpuOutput, false, logList);
break; break;
default: default:
@ -694,8 +802,8 @@ Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: pthreads, sprintf, logOutput, ??? Dependencies: pthreads, sprintf, logOutput, ???
*/ */
void runIO(char *command, char *argument, int intArg, ConfigDataType *configPtr, void runIO(char *command, char *argument, int intArg, ConfigDataType *configPtr, int processId,
int processId, ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod) ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod, logFileLL *logList)
{ {
double timeDigits; double timeDigits;
char timeStringy[MAX_STR_LEN]; char timeStringy[MAX_STR_LEN];
@ -710,12 +818,12 @@ void runIO(char *command, char *argument, int intArg, ConfigDataType *configPtr,
ioTime = intArg * configPtr->ioCycleRate; ioTime = intArg * configPtr->ioCycleRate;
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(ioOutput, "%f, Process: %d, %s %s operation start\n", timeDigits, processId, command, argument); sprintf(ioOutput, "%f, Process: %d, %s %s operation start\n", timeDigits, processId, command, argument);
logOutput(configPtr, ioOutput, false); logOutput(configPtr, ioOutput, false, logList);
pthread_create(&ioThread, NULL, runTimer, (void *)ioTimePtr); pthread_create(&ioThread, NULL, runTimer, (void *)ioTimePtr);
pthread_join(ioThread, NULL); pthread_join(ioThread, NULL);
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(ioOutput, "%f, Process: %d, %s %s operation end\n", timeDigits, processId, command, argument); sprintf(ioOutput, "%f, Process: %d, %s %s operation end\n", timeDigits, processId, command, argument);
logOutput(configPtr, ioOutput, false); logOutput(configPtr, ioOutput, false, logList);
break; break;
case PREEMPTIVE_CODE: case PREEMPTIVE_CODE:
@ -724,11 +832,11 @@ void runIO(char *command, char *argument, int intArg, ConfigDataType *configPtr,
ioTime = intArg * configPtr->ioCycleRate; ioTime = intArg * configPtr->ioCycleRate;
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(ioOutput, "%f, Process: %d, %s %s operation start\n", timeDigits, processId, command, argument); sprintf(ioOutput, "%f, Process: %d, %s %s operation start\n", timeDigits, processId, command, argument);
logOutput(configPtr, ioOutput, false); logOutput(configPtr, ioOutput, false, logList);
pthread_create(&ioThread, NULL, runTimer, (void *)ioTimePtr); pthread_create(&ioThread, NULL, runTimer, (void *)ioTimePtr);
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(ioOutput, "%f, Process: %d, %s %s operation end\n", timeDigits, processId, command, argument); sprintf(ioOutput, "%f, Process: %d, %s %s operation end\n", timeDigits, processId, command, argument);
logOutput(configPtr, ioOutput, false); logOutput(configPtr, ioOutput, false, logList);
// pthread_join(ioThread, NULL); // not sure if this will be needed... // pthread_join(ioThread, NULL); // not sure if this will be needed...
// pthread_exit(NULL); // this may be needed if pthread_join doesn't produce expected results. // pthread_exit(NULL); // this may be needed if pthread_join doesn't produce expected results.
// call the interruptManager here, with the IO Return code. // call the interruptManager here, with the IO Return code.
@ -751,8 +859,8 @@ Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: accessTimer, compareString, runCPU, runIO, ??? Dependencies: accessTimer, compareString, runCPU, runIO, ???
*/ */
void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, ProcessControlBlockLL *pcbList, void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, ProcessControlBlockLL *pcbList,
ConfigDataCodes schedMethod) ConfigDataCodes schedMethod, logFileLL *logList)
{ {
double timeDigits; double timeDigits;
// run over the entire process, running the CPU when a CPU cycle comes up // run over the entire process, running the CPU when a CPU cycle comes up
@ -781,13 +889,13 @@ void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, Proce
{ {
// run the CPU for the required amount of time. // run the CPU for the required amount of time.
runCPU(workingMeta->command, workingMeta->strArg1, workingMeta->intArg2, configPtr, singlePCB->uniquePid, runCPU(workingMeta->command, workingMeta->strArg1, workingMeta->intArg2, configPtr, singlePCB->uniquePid,
singlePCB, schedMethod); singlePCB, schedMethod, logList);
} }
if(compareString(command, "dev") == EQUIV) if(compareString(command, "dev") == EQUIV)
{ {
// run IO operations for the required amount of time. // run IO operations for the required amount of time.
runIO(workingMeta->command, workingMeta->strArg1, workingMeta->intArg2, configPtr, singlePCB->uniquePid, runIO(workingMeta->command, workingMeta->strArg1, workingMeta->intArg2, configPtr, singlePCB->uniquePid,
singlePCB, schedMethod); singlePCB, schedMethod, logList);
} }
if(compareString(command, "mem") == EQUIV) if(compareString(command, "mem") == EQUIV)
{ {
@ -797,7 +905,7 @@ void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, Proce
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(processOutput, "%f, Process: %d, %s %s request (%d, %d)\n", timeDigits, sprintf(processOutput, "%f, Process: %d, %s %s request (%d, %d)\n", timeDigits,
singlePCB->uniquePid, command, argument, intArg, intArgTwo); singlePCB->uniquePid, command, argument, intArg, intArgTwo);
logOutput(configPtr, processOutput, false); logOutput(configPtr, processOutput, false, logList);
// run the memory manager in allocate mode // run the memory manager in allocate mode
memManagerSuccess = memManager(pcbList, MEMORY_ALLOCATE, intArg, intArgTwo, configPtr, singlePCB); memManagerSuccess = memManager(pcbList, MEMORY_ALLOCATE, intArg, intArgTwo, configPtr, singlePCB);
if(!memManagerSuccess) if(!memManagerSuccess)
@ -806,7 +914,7 @@ void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, Proce
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(processOutput, "%f, Process: %d, failed %s %s request (%d, %d)\n", timeDigits, sprintf(processOutput, "%f, Process: %d, failed %s %s request (%d, %d)\n", timeDigits,
singlePCB->uniquePid, command, argument, intArg, intArgTwo); singlePCB->uniquePid, command, argument, intArg, intArgTwo);
logOutput(configPtr, processOutput, false); logOutput(configPtr, processOutput, false, logList);
} }
} }
else if(compareString(argument, "access") == EQUIV) else if(compareString(argument, "access") == EQUIV)
@ -814,7 +922,7 @@ void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, Proce
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(processOutput, "%f, Process: %d, %s %s request (%d, %d)\n", timeDigits, sprintf(processOutput, "%f, Process: %d, %s %s request (%d, %d)\n", timeDigits,
singlePCB->uniquePid, command, argument, intArg, intArgTwo); singlePCB->uniquePid, command, argument, intArg, intArgTwo);
logOutput(configPtr, processOutput, false); logOutput(configPtr, processOutput, false, logList);
// run the memory manager in access mode // run the memory manager in access mode
memManagerSuccess = memManager(pcbList, MEMORY_ACCESS, intArg, intArgTwo, configPtr, singlePCB); memManagerSuccess = memManager(pcbList, MEMORY_ACCESS, intArg, intArgTwo, configPtr, singlePCB);
if (!memManagerSuccess) if (!memManagerSuccess)
@ -823,7 +931,7 @@ void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, Proce
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(processOutput, "%f, Process: %d, failed %s %s request (%d, %d)\n", timeDigits, sprintf(processOutput, "%f, Process: %d, failed %s %s request (%d, %d)\n", timeDigits,
singlePCB->uniquePid, command, argument, intArg, intArgTwo); singlePCB->uniquePid, command, argument, intArg, intArgTwo);
logOutput(configPtr, processOutput, false); logOutput(configPtr, processOutput, false, logList);
} }
} }
} }
@ -850,14 +958,14 @@ void runProcess(ProcessControlBlock *singlePCB, ConfigDataType *configPtr, Proce
// //
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(processOutput, "\n%f, OS: Process %d ended\n", timeDigits, singlePCB->uniquePid); sprintf(processOutput, "\n%f, OS: Process %d ended\n", timeDigits, singlePCB->uniquePid);
logOutput(configPtr, processOutput, false); logOutput(configPtr, processOutput, false, logList);
} }
else else
{ {
// //
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(processOutput, "\n%f, OS: Segmentation Fault, Process %d ended\n", timeDigits, singlePCB->uniquePid); sprintf(processOutput, "\n%f, OS: Segmentation Fault, Process %d ended\n", timeDigits, singlePCB->uniquePid);
logOutput(configPtr, processOutput, false); logOutput(configPtr, processOutput, false, logList);
} }
// deallocate the memory for the process // deallocate the memory for the process
memManager(pcbList, MEMORY_DEALLOCATE, intArg, intArgTwo, configPtr, singlePCB); memManager(pcbList, MEMORY_DEALLOCATE, intArg, intArgTwo, configPtr, singlePCB);
@ -883,6 +991,7 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
// need a variable for headPointer to point // need a variable for headPointer to point
ProcessControlBlockLL *pcbList; ProcessControlBlockLL *pcbList;
ProcessControlBlock *pcbPtr; ProcessControlBlock *pcbPtr;
logFileLL *loggingList;
// string variable for nextCode, temp unused // string variable for nextCode, temp unused
// char *nextCode; // char *nextCode;
// string variable for the timer stuff // string variable for the timer stuff
@ -895,6 +1004,16 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
int memoryOffset = 0; int memoryOffset = 0;
int memorySize = 1; int memorySize = 1;
// create the file list with createFileLogList, store the pointed to address
loggingList = createFileLogList();
// check to see if in file mode, and print, 'Sim will output to file'
if (configPtr->logToCode == LOGTO_FILE_CODE)
{
//
printf("Simulator will output to a file. (Please be patient...)\n");
}
if (schedulingMethod == CPU_SCHED_FCFS_P_CODE || if (schedulingMethod == CPU_SCHED_FCFS_P_CODE ||
schedulingMethod == CPU_SCHED_RR_P_CODE || schedulingMethod == CPU_SCHED_RR_P_CODE ||
schedulingMethod == CPU_SCHED_SRTF_P_CODE) schedulingMethod == CPU_SCHED_SRTF_P_CODE)
@ -912,7 +1031,7 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
// Operating System start timer goes here, log it. // Operating System start timer goes here, log it.
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(simulatorOutput, "%f, OS: Simulator start\n", timeDigits); sprintf(simulatorOutput, "%f, OS: Simulator start\n", timeDigits);
logOutput(configPtr, simulatorOutput, false); logOutput(configPtr, simulatorOutput, false, loggingList);
// int variable for process to run // int variable for process to run
int currentPid; int currentPid;
// create the process list with createProcessList, store the pointed to address // create the process list with createProcessList, store the pointed to address
@ -941,7 +1060,7 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
int *processTimeLeftPtr = &processTimeLeft; int *processTimeLeftPtr = &processTimeLeft;
// set the current process id to the first scheduled process // set the current process id to the first scheduled process
currentPid = scheduleProcess(pcbList, configPtr); currentPid = scheduleProcess(pcbList, configPtr, loggingList);
// initialize memory with the memManager // initialize memory with the memManager
memManager(pcbList, MEMORY_INITIALIZE, memoryOffset, memorySize, configPtr, pcbList->headPtr); memManager(pcbList, MEMORY_INITIALIZE, memoryOffset, memorySize, configPtr, pcbList->headPtr);
@ -961,10 +1080,10 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(simulatorOutput, "%f, OS: Process %d set to RUNNING state from READY state\n\n", timeDigits, sprintf(simulatorOutput, "%f, OS: Process %d set to RUNNING state from READY state\n\n", timeDigits,
pcbPtr->uniquePid); pcbPtr->uniquePid);
logOutput(configPtr, simulatorOutput, false); logOutput(configPtr, simulatorOutput, false, loggingList);
pthread_t runThread; pthread_t runThread;
pthread_create(&runThread, NULL, runTimer, (void *)processTimeLeftPtr); pthread_create(&runThread, NULL, runTimer, (void *)processTimeLeftPtr);
runProcess(pcbPtr, configPtr, pcbList, schedulingMethod); runProcess(pcbPtr, configPtr, pcbList, schedulingMethod, loggingList);
switch (schedulingMethod) switch (schedulingMethod)
{ {
case NON_PREEMPTIVE_CODE: case NON_PREEMPTIVE_CODE:
@ -972,7 +1091,7 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(simulatorOutput, "%f, OS: Process %d set to TERMINATED state from RUNNING state\n\n", timeDigits, sprintf(simulatorOutput, "%f, OS: Process %d set to TERMINATED state from RUNNING state\n\n", timeDigits,
pcbPtr->uniquePid); pcbPtr->uniquePid);
logOutput(configPtr, simulatorOutput, false); logOutput(configPtr, simulatorOutput, false, loggingList);
// this assumes that the processes finish executing all the way though. // this assumes that the processes finish executing all the way though.
pcbPtr->process_state = PROCESS_STATE_TERMINATED; pcbPtr->process_state = PROCESS_STATE_TERMINATED;
break; break;
@ -987,7 +1106,7 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
processTimeLeftPtr = &processTimeLeft; processTimeLeftPtr = &processTimeLeft;
pcbPtr = pcbPtr->nextPtr; pcbPtr = pcbPtr->nextPtr;
} }
currentPid = scheduleProcess(pcbList, configPtr); currentPid = scheduleProcess(pcbList, configPtr, loggingList);
pcbPtr = pcbList->headPtr; pcbPtr = pcbList->headPtr;
} }
pthread_join(cpuThread, NULL); pthread_join(cpuThread, NULL);
@ -995,14 +1114,13 @@ void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr)
memManager(pcbList, MEMORY_CLEAR, memoryOffset, memorySize, configPtr, pcbList->headPtr); memManager(pcbList, MEMORY_CLEAR, memoryOffset, memorySize, configPtr, pcbList->headPtr);
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(simulatorOutput, "%f, OS: System Stop\n", timeDigits); sprintf(simulatorOutput, "%f, OS: System Stop\n", timeDigits);
logOutput(configPtr, simulatorOutput, false); logOutput(configPtr, simulatorOutput, false, loggingList);
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(simulatorOutput, "%f, OS: Simulation End\n", timeDigits); sprintf(simulatorOutput, "%f, OS: Simulation End\n", timeDigits);
logOutput(configPtr, simulatorOutput, true); logOutput(configPtr, simulatorOutput, true, loggingList);
// deallocate the process list with destroyProcessList // deallocate the process list with destroyProcessList
destroyProcessList(pcbList); destroyProcessList(pcbList);
// once complete, log the output to FILE if required destroyFileLogList(loggingList);
logOutput(configPtr, "", true);
// pthread_exit(NULL); // this line seems to make the program execution stop short... no warning either // pthread_exit(NULL); // this line seems to make the program execution stop short... no warning either
// void function, no return. // void function, no return.
} }
@ -1018,7 +1136,7 @@ Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: sprintf, logOutput, ??? Dependencies: sprintf, logOutput, ???
*/ */
int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPtr) int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPtr, logFileLL *logList)
{ {
double timeDigits; double timeDigits;
ProcessControlBlock *wkgPtr; ProcessControlBlock *wkgPtr;
@ -1063,7 +1181,7 @@ int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPt
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(loggingStr, "%f, OS: Process %d set to READY state from NEW state\n", timeDigits, sprintf(loggingStr, "%f, OS: Process %d set to READY state from NEW state\n", timeDigits,
wkgPtr->uniquePid); wkgPtr->uniquePid);
logOutput(configPtr, loggingStr, false); logOutput(configPtr, loggingStr, false, logList);
} }
// move to the next pointer // move to the next pointer
wkgPtr = wkgPtr->nextPtr; wkgPtr = wkgPtr->nextPtr;
@ -1080,7 +1198,7 @@ int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPt
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(loggingStr, "%f, OS: Process %d selected with %.0f ms remaining\n", timeDigits, sprintf(loggingStr, "%f, OS: Process %d selected with %.0f ms remaining\n", timeDigits,
wkgPtr->uniquePid, wkgPtr->timeLeft); wkgPtr->uniquePid, wkgPtr->timeLeft);
logOutput(configPtr, loggingStr, false); logOutput(configPtr, loggingStr, false, logList);
returnPid = wkgPtr->uniquePid; returnPid = wkgPtr->uniquePid;
} }
// move to next pointer // move to next pointer
@ -1105,7 +1223,7 @@ int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPt
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(loggingStr, "%f, OS: Process %d set to READY state from NEW state\n", timeDigits, sprintf(loggingStr, "%f, OS: Process %d set to READY state from NEW state\n", timeDigits,
wkgPtr->uniquePid); wkgPtr->uniquePid);
logOutput(configPtr, loggingStr, false); logOutput(configPtr, loggingStr, false, logList);
} }
// move to the next pointer // move to the next pointer
wkgPtr = wkgPtr->nextPtr; wkgPtr = wkgPtr->nextPtr;
@ -1124,7 +1242,7 @@ int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPt
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(loggingStr, "%f, OS: Process %d selected with %.0f ms remaining\n", timeDigits, sprintf(loggingStr, "%f, OS: Process %d selected with %.0f ms remaining\n", timeDigits,
wkgPtr->uniquePid, wkgPtr->timeLeft); wkgPtr->uniquePid, wkgPtr->timeLeft);
logOutput(configPtr, loggingStr, false); logOutput(configPtr, loggingStr, false, logList);
returnPid = wkgPtr->uniquePid; returnPid = wkgPtr->uniquePid;
} }
// move to next pointer // move to next pointer
@ -1156,7 +1274,7 @@ int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPt
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(loggingStr, "%f, OS: Process %d set to READY state from NEW state\n", timeDigits, sprintf(loggingStr, "%f, OS: Process %d set to READY state from NEW state\n", timeDigits,
wkgPtr->uniquePid); wkgPtr->uniquePid);
logOutput(configPtr, loggingStr, false); logOutput(configPtr, loggingStr, false, logList);
} }
// move to the next pointer // move to the next pointer
wkgPtr = wkgPtr->nextPtr; wkgPtr = wkgPtr->nextPtr;
@ -1209,7 +1327,7 @@ int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPt
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(loggingStr, "%f, OS: Process %d selected with %.0f ms remaining\n", timeDigits, sprintf(loggingStr, "%f, OS: Process %d selected with %.0f ms remaining\n", timeDigits,
shortestJobProcNum, (double)shortestJob); shortestJobProcNum, (double)shortestJob);
logOutput(configPtr, loggingStr, false); logOutput(configPtr, loggingStr, false, logList);
} }
returnPid = shortestJobProcNum; returnPid = shortestJobProcNum;
break; break;
@ -1228,7 +1346,7 @@ int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPt
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(loggingStr, "%f, OS: Process %d set to READY state from NEW state\n", timeDigits, sprintf(loggingStr, "%f, OS: Process %d set to READY state from NEW state\n", timeDigits,
wkgPtr->uniquePid); wkgPtr->uniquePid);
logOutput(configPtr, loggingStr, false); logOutput(configPtr, loggingStr, false, logList);
} }
// move to the next pointer // move to the next pointer
wkgPtr = wkgPtr->nextPtr; wkgPtr = wkgPtr->nextPtr;
@ -1283,7 +1401,7 @@ int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPt
timeDigits = accessTimer(LAP_TIMER, timeStringy); timeDigits = accessTimer(LAP_TIMER, timeStringy);
sprintf(loggingStr, "%f, OS: Process %d selected with %.0f ms remaining\n", timeDigits, sprintf(loggingStr, "%f, OS: Process %d selected with %.0f ms remaining\n", timeDigits,
shortestJobProcNum, (double)shortestJob); shortestJobProcNum, (double)shortestJob);
logOutput(configPtr, loggingStr, false); logOutput(configPtr, loggingStr, false, logList);
} }
returnPid = shortestJobProcNum; returnPid = shortestJobProcNum;
break; break;

444
Sim04/simulator.h
View file

@ -32,6 +32,19 @@ typedef enum{
CLEAR_INTERRUPT CLEAR_INTERRUPT
} INTERRUPT_ROUTINE; } INTERRUPT_ROUTINE;
typedef struct logFileStruct
{
char stringData[HUGE_STR_LEN];
// connect to the next process control block here
struct logFileStruct *nextPtr;
} logFile;
typedef struct logFileLLStruct
{
// holds the head ptr for PCBs
logFile *headPtr;
} logFileLL;
typedef struct ProcessControlBlockStruct typedef struct ProcessControlBlockStruct
{ {
int uniquePid; int uniquePid;
@ -90,6 +103,31 @@ Device Output/Device: none
Dependencies: ??? Dependencies: ???
*/ */
/*
Name: accessMemory
Process: checks that the memory is between the offset and the size.
checks that the memory is ???
Function Input/Parameters: source PCB (ProcessControlBlock *), offset (int), size (int)
Function Output/Parameters: none
Function Output/Returned: boolean to indicate success or failure of accessed memory
Device Input/Device: none
Device Output/Device: none
Dependencies: ???
*/
bool accessMemory(ProcessControlBlock *singlePCB, int offset, int size);
/*
Name: addLog
Process: allocates the memory for the log, ...
Function Input/Parameters: source log (logFile)
Function Output/Parameters: none
Function Output/Returned: filled PCB (logFile *)
Device Input/Device: none
Device Output/Device: none
Dependencies: malloc, sizeof, ???
*/
logFile *addLog(const logFile source);
/* /*
Name: addProcess Name: addProcess
Process: allocates the memory for the pcb, grabs the data from the created PCB, Process: allocates the memory for the pcb, grabs the data from the created PCB,
@ -103,9 +141,33 @@ Dependencies: malloc, sizeof, ???
*/ */
ProcessControlBlock *addProcess(const ProcessControlBlock source); ProcessControlBlock *addProcess(const ProcessControlBlock source);
/*
Name: allocMemory
Process: 'allocates' memory within the PCB, stores offset and size within it's PCB
Function Input/Parameters: source PCB (ProcessControlBlock *), offset (int), size (int)
Function Output/Parameters: none
Function Output/Returned: boolean to indicate success or failure of allocated memory
Device Input/Device: none
Device Output/Device: none
Dependencies: ???
*/
bool allocMemory(ProcessControlBlock *singlePCB, int offset, int size, int arraySize);
/*
Name: createFileLogList
Process: initializes the logging file struct
Function Input/Parameters: none
Function Output/Parameters: none
Function Output/Returned: head pointer to the logfile struct
Device Input/Device: none
Device Output/Device: none
Dependencies: malloc, sizeof, ???
*/
logFileLL *createFileLogList();
/* /*
Name: createProcessList Name: createProcessList
Process: initializes head pointer to the PCBs Process: reads through the opcode struct to fill out the linked list of PCBs
Function Input/Parameters: none Function Input/Parameters: none
Function Output/Parameters: none Function Output/Parameters: none
Function Output/Returned: head pointer to the PCBs Function Output/Returned: head pointer to the PCBs
@ -115,6 +177,30 @@ Dependencies: malloc, sizeof, ???
*/ */
ProcessControlBlockLL *createProcessList(); ProcessControlBlockLL *createProcessList();
/*
Name: deallocMemory
Process: 'deallocates' memory within the PCB, removes every offset and size within it's PCB
Function Input/Parameters: source PCB (ProcessControlBlock *)
Function Output/Parameters: none
Function Output/Returned: boolean to indicate success or failure of allocated memory
Device Input/Device: none
Device Output/Device: none
Dependencies: ???
*/
bool deallocMemory(ProcessControlBlock *singlePCB, int arraySize);
/*
Name: destroyFileLogList
Process: deallocates memory used for the linked list struct
Function Input/Parameters: head pointer to linked list (logFileLL *)
Function Output/Parameters: none
Function Output/Returned: NULL
Device Input/Device: none
Device Output/Device: none
Dependencies: free, destroyFileLogHelper, ???
*/
logFileLL *destroyFileLogList(logFileLL *linkedListPtr);
/* /*
Name: destroyProcessList Name: destroyProcessList
Process: deallocates memory used for the linked list struct Process: deallocates memory used for the linked list struct
@ -127,6 +213,18 @@ Dependencies: free, destroyProcessListHelper, ???
*/ */
ProcessControlBlockLL *destroyProcessList(ProcessControlBlockLL *linkedListPtr); ProcessControlBlockLL *destroyProcessList(ProcessControlBlockLL *linkedListPtr);
/*
Name: destroyFileLogHelper
Process: recursively clears the logfile linked list struct, freeing the struct
Function Input/Parameters: head pointer to logfile list (logFile *)
Function Output/Parameters: none
Function Output/Returned: NULL
Device Input/Device: none
Device Output/Device: none
Dependencies: free, destroyFileLogHelper(recursively), ???
*/
logFile *destroyFileLogHelper(logFile *nodePtr);
/* /*
Name: destroyProcessListHelper Name: destroyProcessListHelper
Process: recursively clears the PCB linked list struct, freeing the struct Process: recursively clears the PCB linked list struct, freeing the struct
@ -150,8 +248,7 @@ Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: ??? Dependencies: ???
*/ */
ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *metadataPtr, ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *metadataPtr, ProcessControlBlockLL *headPointer);
ProcessControlBlockLL *headPointer);
/* /*
Name: findMin Name: findMin
@ -165,19 +262,47 @@ Dependencies: none
*/ */
int findMin(int one, int another); int findMin(int one, int another);
/*
Name: interruptManager
Process: does the managing of interrupts for the program
Function Input/Parameters: ???
Function Output/Parameters: none
Function Output/Returned: ???
Device Input/Device: none
Device Output/Device: none
Dependencies: none
*/
bool interruptManager(ConfigDataType *configPtr, ProcessControlBlock *singlePCB, INTERRUPT_ROUTINE interruptRequest);
/* /*
Name: logOutput Name: logOutput
Process: Takes in a string, and then outputs it to monitor AND/OR file Process: Takes in a string, and then outputs it to monitor AND/OR file
Function Input/Parameters: string (char *), file pointer (FILE *), Function Input/Parameters: string (char *), file pointer (FILE *),
configuration data (ConfigDataType *), configuration data (ConfigDataType *),
end of simulator (bool) end of simulator (bool)
Function Output/Parameters: none Function Output/Parameters: none
Function Output/Returned: none Function Output/Returned: none
Device Input/Device: none Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: sprintf, ??? Dependencies: fprintf, ???
*/ */
void logOutput(ConfigDataType *configPtr, char *logStr, bool isEnd); 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 Name: runCPU
@ -187,10 +312,10 @@ Function Output/Parameters: none
Function Output/Returned: none Function Output/Returned: none
Device Input/Device: none Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: ??? Dependencies: pthreads, sprintf, logOutput, ???
*/ */
void runCPU(char *command, char *argument, int intArg, ConfigDataType *configPtr, void runCPU(char *command, char *argument, int intArg, ConfigDataType *configPtr, int processId,
int processId, ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod); ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod, logFileLL *logList);
/* /*
Name: runIO Name: runIO
@ -200,33 +325,312 @@ Function Output/Parameters: none
Function Output/Returned: none Function Output/Returned: none
Device Input/Device: none Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: ??? Dependencies: pthreads, sprintf, logOutput, ???
*/ */
void runIO(char *command, char *argument, int intArg, ConfigDataType *configPtr, void runIO(char *command, char *argument, int intArg, ConfigDataType *configPtr, int processId,
int processId, ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod); ProcessControlBlock *singlePCB, ConfigDataCodes schedMethod, logFileLL *logList);
/* /*
Name: runSim Name: runProcess
Process: primary simulation driver Process: runs the process that was selected
Function Input/Parameters: configuration data (ConfigDataType *), Function Input/Parameters: ???
metadata (OpCodeType *)
Function Output/Parameters: none Function Output/Parameters: none
Function Output/Returned: none Function Output/Returned: none
Device Input/Device: none Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: ??? 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); void runSim(ConfigDataType *configPtr, OpCodeType *metaDataMstrPtr);
/* /*
Name: scheduleProcess Name: scheduleProcess
Process: takes in the scheduling data, and then returns which process is to be ran Process: takes in the scheduling data, and then returns which process is to be ran
Function Input/Parameters: head pointer of PCB List (ProcessControlBlockLL *) Function Input/Parameters: head pointer of PCB List (ProcessControlBlockLL *),
configuration data (ConfigDataType *)
Function Output/Parameters: none Function Output/Parameters: none
Function Output/Returned: none Function Output/Returned: none
Device Input/Device: none Device Input/Device: none
Device Output/Device: none Device Output/Device: none
Dependencies: sprintf, logOutput, ???
*/
int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPtr, logFileLL *logList); /*
Name: accessMemory
Process: checks that the memory is between the offset and the size.
checks that the memory is ???
Function Input/Parameters: source PCB (ProcessControlBlock *), offset (int), size (int)
Function Output/Parameters: none
Function Output/Returned: boolean to indicate success or failure of accessed memory
Device Input/Device: none
Device Output/Device: none
Dependencies: ???
*/
bool accessMemory(ProcessControlBlock *singlePCB, int offset, int size);
/*
Name: addLog
Process: allocates the memory for the log, ...
Function Input/Parameters: source log (logFile)
Function Output/Parameters: none
Function Output/Returned: filled PCB (logFile *)
Device Input/Device: none
Device Output/Device: none
Dependencies: malloc, sizeof, ???
*/
logFile *addLog(const logFile source);
/*
Name: addProcess
Process: allocates the memory for the pcb, grabs the data from the created PCB,
dumps the data so that the node can be linked correctly.
Function Input/Parameters: source PCB (ProcessControlBlock)
Function Output/Parameters: none
Function Output/Returned: filled PCB (ProcessControlBlock *)
Device Input/Device: none
Device Output/Device: none
Dependencies: malloc, sizeof, ???
*/
ProcessControlBlock *addProcess(const ProcessControlBlock source);
/*
Name: allocMemory
Process: 'allocates' memory within the PCB, stores offset and size within it's PCB
Function Input/Parameters: source PCB (ProcessControlBlock *), offset (int), size (int)
Function Output/Parameters: none
Function Output/Returned: boolean to indicate success or failure of allocated memory
Device Input/Device: none
Device Output/Device: none
Dependencies: ??? Dependencies: ???
*/ */
int scheduleProcess(ProcessControlBlockLL *headPointer, ConfigDataType *configPtr); bool allocMemory(ProcessControlBlock *singlePCB, int offset, int size, int arraySize);
#endif // SIMULATORX /*
Name: createFileLogList
Process: initializes the logging file struct
Function Input/Parameters: none
Function Output/Parameters: none
Function Output/Returned: head pointer to the logfile struct
Device Input/Device: none
Device Output/Device: none
Dependencies: malloc, sizeof, ???
*/
logFileLL *createFileLogList();
/*
Name: createProcessList
Process: reads through the opcode struct to fill out the linked list of PCBs
Function Input/Parameters: none
Function Output/Parameters: none
Function Output/Returned: head pointer to the PCBs
Device Input/Device: none
Device Output/Device: none
Dependencies: malloc, sizeof, ???
*/
ProcessControlBlockLL *createProcessList();
/*
Name: deallocMemory
Process: 'deallocates' memory within the PCB, removes every offset and size within it's PCB
Function Input/Parameters: source PCB (ProcessControlBlock *)
Function Output/Parameters: none
Function Output/Returned: boolean to indicate success or failure of allocated memory
Device Input/Device: none
Device Output/Device: none
Dependencies: ???
*/
bool deallocMemory(ProcessControlBlock *singlePCB, int arraySize);
/*
Name: destroyFileLogList
Process: deallocates memory used for the linked list struct
Function Input/Parameters: head pointer to linked list (logFileLL *)
Function Output/Parameters: none
Function Output/Returned: NULL
Device Input/Device: none
Device Output/Device: none
Dependencies: free, destroyFileLogHelper, ???
*/
logFileLL *destroyFileLogList(logFileLL *linkedListPtr);
/*
Name: destroyProcessList
Process: deallocates memory used for the linked list struct
Function Input/Parameters: head pointer to linked list (ProcessControlBlockLL *)
Function Output/Parameters: none
Function Output/Returned: NULL
Device Input/Device: none
Device Output/Device: none
Dependencies: free, destroyProcessListHelper, ???
*/
ProcessControlBlockLL *destroyProcessList(ProcessControlBlockLL *linkedListPtr);
/*
Name: destroyFileLogHelper
Process: recursively clears the logfile linked list struct, freeing the struct
Function Input/Parameters: head pointer to logfile list (logFile *)
Function Output/Parameters: none
Function Output/Returned: NULL
Device Input/Device: none
Device Output/Device: none
Dependencies: free, destroyFileLogHelper(recursively), ???
*/
logFile *destroyFileLogHelper(logFile *nodePtr);
/*
Name: destroyProcessListHelper
Process: recursively clears the PCB linked list struct, freeing the struct
Function Input/Parameters: head pointer to linked list (ProcessControlBlockLL *)
Function Output/Parameters: none
Function Output/Returned: NULL
Device Input/Device: none
Device Output/Device: none
Dependencies: free, destroyProcessListHelper(recursively), ???
*/
ProcessControlBlock *destroyProcessListHelper(ProcessControlBlock *nodePtr);
/*
Name: fillProcessList
Process: iterates through the metadata LL, fills out each process as needed.
Function Input/Parameters: metadata (OpCodeType *),
headPointer (ProcessControlBlockLL *)
Function Output/Parameters: none
Function Output/Returned: pointer to filled PCB (ProcessControlBlockLL *)
Device Input/Device: none
Device Output/Device: none
Dependencies: ???
*/
ProcessControlBlockLL *fillProcessList(ConfigDataType *configPtr, OpCodeType *metadataPtr, ProcessControlBlockLL *headPointer);
/*
Name: findMin
Process: compares two values, returns the smaller of the two.
Function Input/Parameters: two integer values (int)
Function Output/Parameters: none
Function Output/Returned: minimum of the two input integer values (int)
Device Input/Device: none
Device Output/Device: none
Dependencies: none
*/
int findMin(int one, int another);
/*
Name: interruptManager
Process: does the managing of interrupts for the program
Function Input/Parameters: ???
Function Output/Parameters: none
Function Output/Returned: ???
Device Input/Device: none
Device Output/Device: none
Dependencies: none
*/
bool interruptManager(ConfigDataType *configPtr, ProcessControlBlock *singlePCB, INTERRUPT_ROUTINE interruptRequest);
/*
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