int killer(void *arg){
USLOSS_Console("start killer\n");
//P1_DumpProcesses();
int *pid = (int *)arg;
int status = P1_Kill(*pid, 444);
if(status == 0){
USLOSS_Console("kill success\n");
}else{
USLOSS_Console("Kill failed!!\n");
//USLOSS_Halt(1);
}
//P1_DumpProcesses();
USLOSS_Console("end killer\n");
return -4;
}
int P2_Startup(void *notused)
{
USLOSS_Console("P2_Startup\n");
if (P1_GetPID() != 1) {
USLOSS_Console("Fail: id does not equal 1");
}
if (P1_GetState(1) != 0) {
USLOSS_Console("Fail: state is not running");
}
if (P1_GetState(0) != 1) {
USLOSS_Console("Fail: state of sentinel should be ready");
}
int result = P1_Kill(P1_GetPID());
if (result == -2) {
USLOSS_Console("PASS\n");
}
USLOSS_Console("P2_Finished\n");
return 0;
}
int P2_Startup(void *arg) {
USLOSS_IntVec[USLOSS_SYSCALL_INT] = sysHandler;
/*Init all mailboxes*/
int i;
for(i = 0; i < P2_MAX_MBOX;i++){
mailboxes[i].id = i;
mailboxes[i].inUse = 0;
mailboxes[i].queue = NULL;
mailboxes[i].activeSlots = 0;
}
for(i = 0; i < P1_MAXPROC;i++){
clockList[i].inUse = 0;
}
for(i = 0; i < P1_MAXSEM;i++){
userSemList[i].id = i;
userSemList[i].inUse = 0;
}
mBoxSemaphore = P1_SemCreate(1);
clockListSemaphore = P1_SemCreate(1);
semGuard = P1_SemCreate(1);
running = P1_SemCreate(0);
int status;
int pid;
int clockPID;
/*
* Create clock device driver
*/
clockPID = P1_Fork("Clock driver", ClockDriver, (void *) running,
USLOSS_MIN_STACK, 2);
if (clockPID == -1) {
USLOSS_Console("Can't create clock driver\n");
}
/*
* Wait for the clock driver to start.
*/
P1_P(running);
for(i = 0; i < USLOSS_TERM_UNITS;i++){
termPids[i] = P1_Fork("Term driver", TermDriver, (void *) i,USLOSS_MIN_STACK, 2);
if (termPids[i] == -1) {
USLOSS_Console("Can't create term driver. Unit = %d\n",i);
}
P1_P(running);
}
int sector,track,disk;
for (i = 0; i < USLOSS_DISK_UNITS;i++) {
diskSem[i] = P1_SemCreate(1);
P2_DiskSize(i,§or,&track,&disk);
DISK_TRACKS[i] = disk;
}
pid = P2_Spawn("P3_Startup", P3_Startup, NULL, 4 * USLOSS_MIN_STACK, 3);
pid = P2_Wait(&status);
/*
* Kill the device drivers
*/
P1_Kill(clockPID);
/*Let everyone know we are done.*/
done = 1;
/*Interrupt all terminals*/
int ctrl = 0;
ctrl = USLOSS_TERM_CTRL_XMIT_INT(ctrl);
ctrl = USLOSS_TERM_CTRL_RECV_INT(ctrl);
for(i = 0 ; i < USLOSS_TERM_UNITS;i++){
P1_Kill(termPids[i]);
USLOSS_DeviceOutput(USLOSS_TERM_DEV, i, (void *)ctrl);
P2_Wait(&status);
}
/*Interrupt any disk requests*/
USLOSS_DeviceRequest seekRequest;
seekRequest.opr = USLOSS_DISK_SEEK;
seekRequest.reg1 = (void *)0;
for(i = 0 ; i < USLOSS_DISK_UNITS;i++){
USLOSS_DeviceOutput(USLOSS_DISK_DEV,i,(void *)&seekRequest);
P2_Wait(&status);
}
/*Finally wait for the clock driver to be done*/
P2_Wait(&status);
return 0;
}
