void P1_DumpProcesses(){// Do CPU Time Part
Check_Your_Privilege();
USLOSS_Console("Dumping Process\n");
int i;
for(i=0;i<P1_MAXPROC;i++){
if(procTable[i].priority==-1){
continue;
}
int state=procTable[i].state;
char* statePhrase;
switch(state){
case 1:
statePhrase="Ready";
break;
case 2:
statePhrase="Killed";
break;
case 3:
statePhrase="Quit";
break;
case 4:
statePhrase="Waiting";
break;
}
int cpu;
if(i==currPid){
cpu=P1_ReadTime();
}else{
cpu=procTable[i].cpuTime;
}
USLOSS_Console("Name:%s\t PID:%-5d\tParent:%d\tPriority:%d\tState:%s\tKids:%d\tCPUTime:%d\n",
procTable[i].name,i,procTable[i].parent,procTable[i].priority,
statePhrase,procTable[i].numChildren,cpu);
}
}
void sysHandler(int type,void *arg) {
if(arg == NULL){
USLOSS_Console("USLOSS_Sysargs is NULL!\n");
return;
}
USLOSS_Sysargs *sysArgs = (USLOSS_Sysargs *) arg;
int retVal = 0;
int retVal2 = 0;
int sectSize = 0;
int sectors = 0;
int tracks = 0;
interruptsOn();
switch (sysArgs->number) {
case SYS_TERMREAD:
retVal = P2_TermRead((int)sysArgs->arg3, (int)sysArgs->arg2, sysArgs->arg1);
if(retVal >= 0){
sysArgs->arg4 = (void *)0;
sysArgs->arg2 = (void *)retVal;
}else{
sysArgs->arg4 = (void *)-1;
}
break;
case SYS_TERMWRITE:
retVal = P2_TermWrite((int)sysArgs->arg3,(int)sysArgs->arg2,(char *)sysArgs->arg1);
if(retVal >= 0){
sysArgs->arg4 = (void *)0;
sysArgs->arg2 = (void *)retVal;
}else{
sysArgs->arg4 = (void *)-1;
}
break;
case SYS_SPAWN: //Part 1
retVal = P2_Spawn(sysArgs->arg5, sysArgs->arg1, sysArgs->arg2,
(int) sysArgs->arg3, (int) sysArgs->arg4);
if (retVal == -3 || retVal == -2) {
sysArgs->arg4 = (void *) -1;
sysArgs->arg1 = (void *) -1;
} else {
sysArgs->arg1 = (void *) retVal;
sysArgs->arg4 = (void *) 0;
}
break;
case SYS_WAIT: //Part 1
retVal = P2_Wait(&retVal2);
if(retVal == -1){
sysArgs->arg1 = (void *)-1;
sysArgs->arg4 = (void *)-1;
sysArgs->arg2 = (void *)-1;
}else{
sysArgs->arg1 = (void *)retVal;
sysArgs->arg2 = (void *)retVal2;
sysArgs->arg4 = (void *)0;
}
break;
case SYS_TERMINATE: //Part 1
P2_Terminate((int)sysArgs->arg1);
break;
case SYS_SLEEP: // Part 1
retVal = P2_Sleep((int)sysArgs->arg1);
sysArgs->arg4 = (void *) retVal;
break;
case SYS_DISKREAD:
retVal = P2_DiskRead((int)sysArgs->arg5,(int)sysArgs->arg3,(int) sysArgs->arg4,(int)sysArgs->arg2,(void *)sysArgs->arg1);
if (retVal == -1) {
sysArgs->arg1 = (void *)retVal;
sysArgs->arg4 = (void *)-1;
}
else if (retVal == 0) {
sysArgs->arg1 = (void *)0;
sysArgs->arg4 = (void *)0;
}else {
sysArgs->arg1 = (void *)retVal; //output is the disk's status register
sysArgs->arg4 = (void *)0;
}
break;
case SYS_DISKWRITE:
retVal = P2_DiskWrite((int)sysArgs->arg5,(int)sysArgs->arg3,(int) sysArgs->arg4,(int)sysArgs->arg2,(void *)sysArgs->arg1);
if (retVal == -1) {
sysArgs->arg1 = (void *)retVal;
sysArgs->arg4 = (void *)-1;
}
else if (retVal == 0) {
sysArgs->arg1 = (void *)0;
sysArgs->arg4 = (void *)0;
}else {
sysArgs->arg1 = (void *)retVal; //output is the disk's status register
sysArgs->arg4 = (void *)0;
}
break;
case SYS_DISKSIZE:
retVal = P2_DiskSize((int)sysArgs->arg1,§Size,§ors,&tracks);
if (retVal == -1) {
sysArgs->arg4 = (void *)-1;
}else {
sysArgs->arg4 = (void *)0;
sysArgs->arg1 = (void *)sectSize;
sysArgs->arg2 = (void *)sectors;
sysArgs->arg3 = (void *)tracks;
}
break;
case SYS_GETTIMEOFDAY: //Part 1
sysArgs->arg1 = (void *)USLOSS_Clock();
break;
case SYS_CPUTIME: //Part 1
sysArgs->arg1 = (void *)P1_ReadTime();
break;
case SYS_DUMPPROCESSES: //Part 1
P1_DumpProcesses();
break;
case SYS_GETPID: //Part 1
sysArgs->arg1 = (void *) P1_GetPID();
break;
case SYS_SEMCREATE: //Part 1
retVal = (int)sysArgs->arg1;
if(retVal < 0){
sysArgs->arg4 = (void *)-1;
}else{
sysArgs->arg4 = (void *)0;
sysArgs->arg1 = (void *) semAdd(P1_SemCreate(retVal));
}
break;
case SYS_SEMP: // Part 1
if(validSem((int)sysArgs->arg1) == 0){
sysArgs->arg4 = (void *) -1;
return;
}
retVal = P1_P(userSemList[(int)sysArgs->arg1].sem);
if(retVal < 0){
sysArgs->arg4 = (void *) -1;
}
else{
sysArgs->arg4 = (void *) 0;
}
break;
case SYS_SEMV: // Part 1
if(validSem((int)sysArgs->arg1) == 0){
sysArgs->arg4 = (void *) -1;
return;
}
retVal = P1_V(userSemList[(int)sysArgs->arg1].sem);
if(retVal < 0){
sysArgs->arg4 = (void *) -1;
}
else{
sysArgs->arg4 = (void *) 0;
}
break;
case SYS_SEMFREE: // Part 1
if(validSem((int)sysArgs->arg1) == 0){
sysArgs->arg4 = (void *) -1;
return;
}
retVal = semDelete((int)sysArgs->arg1);
if(retVal < 0){
sysArgs->arg4 = (void *) -1;
}
else{
sysArgs->arg4 = (void *) 0;
}
break;
case SYS_MBOXCREATE: //Part 1
retVal = P2_MboxCreate((int)sysArgs->arg1,(int)sysArgs->arg2);
if(retVal == -2){
sysArgs->arg1 = (void *) -1;
sysArgs->arg4 = (void *) -1;
}else{
sysArgs->arg1 = (void *) retVal;
sysArgs->arg4 = (void *) 0;
}
break;
case SYS_MBOXRELEASE: // Part 1
retVal = P2_MboxRelease((int)sysArgs->arg1);
if(retVal < 0){
sysArgs->arg4 = (void *) -1;
}else{
sysArgs->arg4 = (void *) 0;
}
break;
case SYS_MBOXSEND: // Part 1
retVal = P2_MboxSend((int)sysArgs->arg1,sysArgs->arg2,(int *)&sysArgs->arg3);
if(retVal < 0){
sysArgs->arg4 = (void *) -1;
}else{
sysArgs->arg4 = (void *) 0;
}
break;
case SYS_MBOXRECEIVE: // Part 1
retVal = P2_MboxReceive((int)sysArgs->arg1,sysArgs->arg2,(int *)&sysArgs->arg3);
if(retVal < 0){
sysArgs->arg4 = (void *) -1;
}else{
sysArgs->arg4 = (void *) 0;
sysArgs->arg2 = (void *) retVal;
}
break;
case SYS_MBOXCONDSEND: // Part 1
retVal = P2_MboxCondSend((int)sysArgs->arg1,sysArgs->arg2,(int *)&sysArgs->arg3);
if(retVal == -1){
sysArgs->arg4 = (void *) -1;
}else if(retVal == -2){
sysArgs->arg4 = (void *) 1;
}
else{
sysArgs->arg4 = (void *) 0;
}
break;
case SYS_MBOXCONDRECEIVE: // Part 1
retVal = P2_MboxCondReceive((int)sysArgs->arg1,sysArgs->arg2,(int *)&sysArgs->arg3);
if(retVal == -1){
sysArgs->arg4 = (void *) -1;
}else if(retVal == -2){
sysArgs->arg4 = (void *) 1;
}
else{
sysArgs->arg4 = (void *) 0;
sysArgs->arg2 = (void *) retVal;
}
break;
default:
P1_Quit(1);
}
}