int P2_Startup(void *arg){
USLOSS_Console(" \n---------Starting Test 9 ----------\n");
sem = P1_SemCreate(0);
int childpid1, child_status1, exit_childpid1;
int childpid2, child_status2, exit_childpid2;
childpid1 = P1_Fork("child_p", child_p, NULL, USLOSS_MIN_STACK * 4, 2);
USLOSS_Console("Child PID created %d \n", childpid1);
childpid2 = P1_Fork("killer", killer, &childpid1, USLOSS_MIN_STACK * 4, 3);
USLOSS_Console("Child PID created %d \n", childpid2);
exit_childpid1 = P1_Join(&child_status1);
exit_childpid2 = P1_Join(&child_status2);
USLOSS_Console("end first %d (should be %d) status %d (should be 444)\nend second %d (should be %d) status %d (should be -4)\n",
exit_childpid1,childpid1,child_status1,exit_childpid2,childpid2, child_status2);
USLOSS_Console(" ---------Ending Test 9 ----------\n");
return 0;
}
int P3_Startup(void *notused)
{
USLOSS_Console("P3_Startup\n");
P1_Fork("P5_Startup", P5_Startup, NULL, 4 * USLOSS_MIN_STACK, 5);
int i;
for (i = 0; i < 40; i++) {
P1_Fork("P4_Startup", P4_Startup, NULL, 4 * USLOSS_MIN_STACK, 5);
}
P1_DumpProcesses();
int status = 2;
int val = P1_Join(&status);
printf("P1_Join return value: %d\n", val);
P1_DumpProcesses();
P1_Fork("P8_Startup", P8_Startup, NULL, 4 * USLOSS_MIN_STACK, 3);
USLOSS_Console("P3_Finished\n");
return 0;
}
int TermDriver(void *arg){
int unit = (int) arg;
termReaderMB[unit] = P2_MboxCreate(1,INT_SIZE);
termLookAhead[unit] = P2_MboxCreate(10,MAX_LINE);
termCharToWrite[unit] = P2_MboxCreate(1,INT_SIZE);
termWriteSem[unit] = P1_SemCreate(1);
termRunningSem[unit] = P1_SemCreate(0);
P1_Fork("Term Reader", TermReader, (void *) unit,USLOSS_MIN_STACK, 2);
P1_P(termRunningSem[unit]);
/*Turn on Terminal interrupts*/
int ctrl = 0;
int ctrl2 = 0;
ctrl = USLOSS_TERM_CTRL_RECV_INT(ctrl);
USLOSS_DeviceOutput(USLOSS_TERM_DEV,unit,(void *)ctrl);
P1_V(running);
int status = 0;
int c = 0;
int result;
while(1){
result = P1_WaitDevice(USLOSS_TERM_DEV,unit,&status);
if(result != 0 || done != 0){
break;
}
if(USLOSS_TERM_STAT_RECV(status) == USLOSS_DEV_BUSY){
P2_MboxSend(termReaderMB[unit],&status,&INT_SIZE);
}
if(USLOSS_TERM_STAT_XMIT(status) == USLOSS_DEV_READY){
if(P2_MboxCondReceive(termCharToWrite[unit],&c,&INT_SIZE) != -2){
ctrl2 = 0;
ctrl2 = USLOSS_TERM_CTRL_XMIT_INT(ctrl2);
ctrl2 = USLOSS_TERM_CTRL_RECV_INT(ctrl2);
ctrl2 = USLOSS_TERM_CTRL_CHAR(ctrl2, c);
ctrl2 = USLOSS_TERM_CTRL_XMIT_CHAR(ctrl2);
USLOSS_DeviceOutput(USLOSS_TERM_DEV, unit, (void *)ctrl2);
}else{
ctrl2 = 0;
ctrl2 = USLOSS_TERM_CTRL_RECV_INT(ctrl2);
USLOSS_DeviceOutput(USLOSS_TERM_DEV, unit, (void *)ctrl2);
}
}
}
status = 0;
P2_MboxCondSend(termReaderMB[unit],&ctrl,&status);
P1_Join(&status);
return unit;
}
int P2_Wait(int *status){
if (permissionCheck()) {
return -1;
}
return P1_Join(status);
}
