int test_removeBlocked(void) { int success = 1; semd_t *s1, *s2; pcb_t *p1, *p2, *p3; initASL(); initProc(); s1 = getSema(0); initSemD(&s1, 1); s2 = getSema(1); initSemD(&s2, 2); p1 = allocPcb(); p2 = allocPcb(); p3 = allocPcb(); insertBlocked(s1, p1); insertBlocked(s2, p2); insertBlocked(s1, p3); success &= removeBlocked(NULL) == NULL; success &= getSNext(s1) == s2; success &= removeBlocked(s2) == p2; success &= getSemdFree() == s2; success &= getSNext(s1) == NULL; success &= removeBlocked(s1) == p1; success &= removeBlocked(s1) == p3; success &= getSemdFree() == s1; success &= getASL() == NULL; return success; }
int test_headBlocked(void) { int success = 1; semd_t *s1, *s2; pcb_t *p1, *p2, *p3; initASL(); initProc(); s1 = getSema(0); initSemD(&s1, 1); s2 = getSema(1); initSemD(&s2, 2); p1 = allocPcb(); p2 = allocPcb(); p3 = allocPcb(); success &= headBlocked(NULL) == NULL; success &= headBlocked(s1) == NULL; success &= headBlocked(s2) == NULL; insertBlocked(s1, p1); insertBlocked(s2, p2); insertBlocked(s1, p3); success &= headBlocked(s1) == p1; success &= headBlocked(s2) == p2; outBlocked(p1); success &= headBlocked(s1) == p3; return success; }
int main() { pcb_t *init; int i; /* Populate the processor state areas into the ROM Reserved Frame */ populateArea(SYSBK_NEWAREA, (memaddr) sysBpHandler); /* SYS/BP Exception Handling */ populateArea(PGMTRAP_NEWAREA, (memaddr) pgmTrapHandler); /* PgmTrap Exception Handling */ populateArea(INT_NEWAREA, (memaddr) intHandler); /* Interrupt Exception Handling */ populateArea(TLB_NEWAREA, (memaddr) tlbHandler); /* TLB Exception Handling */ /* Initialize data structures */ initPcbs(); initASL(); /* Initialize global variables */ ReadyQueue = mkEmptyProcQ(); CurrentProcess = NULL; ProcessCount = SoftBlockCount = TimerTick = PseudoClock = 0; /* Initialize device semaphores */ for (i = 0; i < DEV_PER_INT; i++) Semaphore.disk[i] = Semaphore.tape[i] = Semaphore.network[i] = Semaphore.printer[i] = Semaphore.terminalR[i] = Semaphore.terminalT[i] = 0; /* Initialize init method */ if (!(init = allocPcb())) PANIC(); /* Anomaly */ /* Enable interrupts; enable Kernel-Mode; disable Virtual Memory */ init->p_s.CP15_Control &= ~(0x1); init->p_s.cpsr = STATUS_SYS_MODE | STATUS_ALL_INT_ENABLE(init->p_s.cpsr); /* Initialize Stack Pointer */ init->p_s.sp = RAM_TOP - BUS_REG_RAM_SIZE; /* Initialize Program Counter with the test process */ init->p_s.pc = (memaddr) test; /* Insert init in ProcQ */ insertProcQ(&ReadyQueue, init); /* Initialize Process Id */ ProcessCount++; /* Start the timer tick */ StartTimerTick = getTODLO(); /* Call the scheduler */ scheduler(); /* Anomaly */ PANIC(); return 0; }
/*Entry point del sistema. Main() inizializza e popola le NewOldArea della ROM e le NewOldArea delle CPU > 0 Inizializza le strutture dati di fase1, i semafori dei device e chiama lo scheduler*/ int main(){ int i = 0; /*Init NewOldArea della ROM*/ initNewOldArea((state_t *)INT_NEWAREA, (memaddr) interruptHandler, 0); initNewOldArea((state_t *)TLB_NEWAREA, (memaddr)tlbHandler, 0); initNewOldArea((state_t *)PGMTRAP_NEWAREA, (memaddr) trapHandler, 0); initNewOldArea((state_t *)SYSBK_NEWAREA, (memaddr) syscallHandler, 0); /*Init NewOldArea delle CPU > 0.*/ for (i=1; i<GET_NCPU;i++){ initNewOldArea(&new_old_areas[i][INT_NEWAREA_INDEX], (memaddr) interruptHandler, i); initNewOldArea(&new_old_areas[i][TLB_NEWAREA_INDEX], (memaddr) tlbHandler, i); initNewOldArea(&new_old_areas[i][PGMTRAP_NEWAREA_INDEX], (memaddr) trapHandler, i); initNewOldArea(&new_old_areas[i][SYSBK_NEWAREA_INDEX], (memaddr) syscallHandler, i); } /*Inizializzo le strutture dati di fase1*/ initPcbs(); initASL(); /*Inizializzo tutte le variabili del nucleo: Process Count, Soft-block Count, Ready Queues, and Current Process.*/ for (i=0; i<GET_NCPU; i++){ process_count[i] = 0; /*Counter processi attivi*/ ready_queue[i] = NULL; /*Coda dei processi in stato ready*/ current_process[i] = NULL; /*Puntatore al processo in esecuzione*/ } softBlock_count = 0; /*Contatore processi in stato wait*/ /*Inizializzo i semafori mantenuti dal nucleo Vengono impostati a 0 i semafori dei device (uno per device), due per ogni terminal (scrittura/lettura) e il semaforo dello pseudoClock.*/ for(i=0;i<DEV_PER_INT;i++){ sem_disk[i] = 0; sem_tape[i] = 0; sem_ethernet[i] = 0; sem_printer[i] = 0; sem_terminal_read[i] = 0; sem_terminal_write[i] = 0; } pseudo_clock = 0; /*Inizializzo i semafori delle CAS: 0-MAX_CPUS: Scheduler MAX_CPUS+1: PV MAX_CPUS+2: PseudoClock*/ for (i=0;i<NUM_SEM_CUSTOM; i++) semArray[i] = 1; /*Inizializzo lo scheduler*/ init(); /*Error: Non uscirò mai dallo scheduler*/ PANIC(); return -1; }
int test_initSemD(void) { int success = 1; semd_t *s1; initASL(); initSemD(&s1, 42); success &= getSValue(s1) == 42; return success; }
/**[2] * Inizializza la lista dei semdFree in modo da contenere tutti gli elementi * della semdTable. Questo metodo viene invocato una volta sola durante * l'inizializzazione della struttura dati. */ void initASL() { static int i = 0; /*da 0 a 19*/ if (i > MAXPROC-1) return; else { insert(&(semdFree_h), &(semd_table[i])); i++; initASL(); } }
int test_initSemDExhaustion(void) { int success = 1; int i = 0; semd_t *s; initASL(); for (i = 0; i < MAXPROCESS; ++i) success &= initSemD(&s, i); success &= !initSemD(&s, MAXPROCESS); return success; }
int main() { initExceptionHandlers(); initPcbs(); initASL(); // Initialize device semaphores memset(&semaphores, 0, sizeof(semaphores)); // Create init and start the scheduler pcb_t *init; init = makeInit(); init->p_pid = 1; boot_start=getTODLO(); schedStart(init); return 0; }
int main() { int i,j; /* Setting up CPU0 new areas in ROM. */ populateArea((state_t *)INT_NEWAREA,(memaddr)intHandler,0); populateArea((state_t *)TLB_NEWAREA,(memaddr)tlbHandler,0); populateArea((state_t *)PGMTRAP_NEWAREA,(memaddr)trapHandler,0); populateArea((state_t *)SYSBK_NEWAREA,(memaddr)sysHandler,0); /* Setting up CPU-n (with n >= 1) new areas in RAM, in a defined array of state_t pointers. */ for (i = 1; i < NUM_CPU; i++) for (j = 0; j < 4; j++) switch (j) { case 0: populateArea(&new_old_areas[i][1],(memaddr)intHandler,i); break; case 1: populateArea(&new_old_areas[i][3],(memaddr)tlbHandler,i); break; case 2: populateArea(&new_old_areas[i][5],(memaddr)trapHandler,i); break; case 3: populateArea(&new_old_areas[i][7],(memaddr)sysHandler,i); break; } /* Initialization of underlaying data structures. */ initPcbs(); initASL(); /* Inizialization of device semaphores. TODO */ if ((psClock_timer = getSemd(0)) != NULL) psClock_timer -> s_value = 0; if ((terminalWrite = getSemd(1)) != NULL) terminalWrite -> s_value = 0; if ((terminalRead = getSemd(2)) != NULL) terminalRead -> s_value = 0; /* Scheduler initialization process. */ initScheduler(i); return 1; }
int test_insertBlocked(void) { int success = 1; semd_t *s1, *s2, *s3; pcb_t *p1, *p2, *p3; pcbq_t *q; initASL(); initProc(); s1 = getSema(0); initSemD(&s1, 1); s2 = getSema(1); initSemD(&s2, 2); s3 = getSema(12); initSemD(&s3, 3); p1 = allocPcb(); p2 = allocPcb(); p3 = allocPcb(); success &= getASL() == NULL; insertBlocked(NULL, p1); success &= getASL() == NULL; insertBlocked(s1, NULL); success &= getASL() == NULL; insertBlocked(s2, p2); q = getSProcQ(s2); success &= !emptyProcQ(q); success &= getASL() == s2; insertBlocked(s3, p3); q = getSProcQ(s3); success &= !emptyProcQ(q); success &= getASL() == s2; success &= getSNext(s2) == s3; insertBlocked(s1, p1); q = getSProcQ(s1); success &= !emptyProcQ(q); success &= getASL() == s1; success &= getSNext(s1) == s2; return success; }
int test_initASL(void) { int i; int success = 1; semd_t *s1, *s2; initASL(); for (i = 0; i < MAXPROCESS-1; ++i) { s1 = getSema(i); s2 = getSema(i+1); success &= getSNext(s1) == s2; } s1 = getSema(MAXPROCESS - 1); success &= getSNext(s1) == NULL; success &= getSemdFree() == getSema(0); return success; }
int main(){ int i, j; state_t *statep; //popolo le aree della ROM init_area(INT_NEWAREA, (memaddr) int_handler); init_area(TLB_NEWAREA, (memaddr) tlb_handler); init_area(PGMTRAP_NEWAREA, (memaddr) trap_handler); init_area(SYSBK_NEWAREA, (memaddr) sys_handler); //inizializzo le strutture di phase1 initPcbs(); initASL(); //inizializzo le variabili di sistema process_count = 0; softblock_count = 0; //mappa dei process id liberi for( i = 0; i < MAXPROC ; i++ ) pid_map[i] = 0; //array di puntatori ai processi attivi for( i = 0; i < MAXPROC ; i++ ) activeProcesses[i] = NULL; //semafori dei device for(i = 0; i < MAX_DEVICES; i++) devSem[i] = 0; //registri di stato da conservare dei device for(i = 0; i < MAX_DEVICES; i++) devStatus[i] = 0; //tempo di gestione degli interrupt for(i = 0; i < MAX_DEVICES; i++) interruptTime[i] = 0; if( !((first = allocPcb()) && (twiddle = allocPcb()))){ PANIC(); } processSet( twiddle, (memaddr) idle, PRIO_IDLE); //il processo idle ha id 1 processSet( first, (memaddr) test, PRIO_NORM ); current_process = NULL; process_count++; scheduler(); }
int main() { int i; initPcbs(); addokbuf("Initialized process control blocks \n"); /* Check allocPcb */ for (i = 0; i < MAXPROC; i++) { if ((procp[i] = allocPcb()) == NULL) adderrbuf("allocPcb(): unexpected NULL "); } if (allocPcb() != NULL) { adderrbuf("allocPcb(): allocated more than MAXPROC entries "); } addokbuf("allocPcb ok \n"); /* return the last 10 entries back to free list */ for (i = 10; i < MAXPROC; i++) freePcb(procp[i]); addokbuf("freed 10 entries \n"); /* create a 10-element process queue */ qa = mkEmptyProcQ(); if (!emptyProcQ(qa)) adderrbuf("emptyProcQ(qa): unexpected FALSE "); addokbuf("Inserting... \n"); for (i = 0; i < 10; i++) { if ((q = allocPcb()) == NULL) adderrbuf("allocPcb(): unexpected NULL while insert "); switch (i) { case 0: firstproc = q; break; case 5: midproc = q; break; case 9: lastproc = q; break; default: break; } insertProcQ(&qa, q); } addokbuf("inserted 10 elements \n"); if (emptyProcQ(qa)) adderrbuf("emptyProcQ(qa): unexpected TRUE" ); /* Check outProcQ and headProcQ */ if (headProcQ(qa) != firstproc) adderrbuf("headProcQ(qa) failed "); q = outProcQ(&qa, firstproc); if ((q == NULL) || (q != firstproc)) adderrbuf("outProcQ(&qa, firstproc) failed on first entry "); freePcb(q); q = outProcQ(&qa, midproc); if (q == NULL || q != midproc) adderrbuf("outProcQ(&qa, midproc) failed on middle entry "); freePcb(q); if (outProcQ(&qa, procp[0]) != NULL) adderrbuf("outProcQ(&qa, procp[0]) failed on nonexistent entry "); addokbuf("outProcQ() ok \n"); /* Check if removeProc and insertProc remove in the correct order */ addokbuf("Removing... \n"); for (i = 0; i < 8; i++) { if ((q = removeProcQ(&qa)) == NULL) adderrbuf("removeProcQ(&qa): unexpected NULL "); freePcb(q); } if (q != lastproc) adderrbuf("removeProcQ(): failed on last entry "); if (removeProcQ(&qa) != NULL) adderrbuf("removeProcQ(&qa): removes too many entries "); if (!emptyProcQ(qa)) adderrbuf("emptyProcQ(qa): unexpected FALSE "); addokbuf("insertProcQ(), removeProcQ() and emptyProcQ() ok \n"); addokbuf("process queues module ok \n"); addokbuf("checking process trees...\n"); if (!emptyChild(procp[2])) adderrbuf("emptyChild: unexpected FALSE "); /* make procp[1] through procp[9] children of procp[0] */ addokbuf("Inserting... \n"); for (i = 1; i < 10; i++) { insertChild(procp[0], procp[i]); } addokbuf("Inserted 9 children \n"); if (emptyChild(procp[0])) adderrbuf("emptyChild(procp[0]): unexpected TRUE "); /* Check outChild */ q = outChild(procp[1]); if (q == NULL || q != procp[1]) adderrbuf("outChild(procp[1]) failed on first child "); q = outChild(procp[4]); if (q == NULL || q != procp[4]) adderrbuf("outChild(procp[4]) failed on middle child "); if (outChild(procp[0]) != NULL) adderrbuf("outChild(procp[0]) failed on nonexistent child "); addokbuf("outChild ok \n"); /* Check removeChild */ addokbuf("Removing... \n"); for (i = 0; i < 7; i++) { if ((q = removeChild(procp[0])) == NULL) adderrbuf("removeChild(procp[0]): unexpected NULL "); } if (removeChild(procp[0]) != NULL) adderrbuf("removeChild(): removes too many children "); if (!emptyChild(procp[0])) adderrbuf("emptyChild(procp[0]): unexpected FALSE "); addokbuf("insertChild(), removeChild() and emptyChild() ok \n"); addokbuf("process tree module ok \n"); for (i = 0; i < 10; i++) freePcb(procp[i]); /* check ASL */ initASL(); addokbuf("Initialized active semaphore list \n"); /* check removeBlocked and insertBlocked */ addokbuf("insertBlocked() test #1 started \n"); for (i = 10; i < MAXPROC; i++) { procp[i] = allocPcb(); if (insertBlocked(&sem[i], procp[i])) adderrbuf("insertBlocked() test#1: unexpected TRUE "); } addokbuf("insertBlocked() test #2 started \n"); for (i = 0; i < 10; i++) { procp[i] = allocPcb(); if (insertBlocked(&sem[i], procp[i])) adderrbuf("insertBlocked() test #2: unexpected TRUE "); } /* check if semaphore descriptors are returned to free list */ p = removeBlocked(&sem[11]); if (insertBlocked(&sem[11],p)) adderrbuf("removeBlocked(): fails to return to free list "); if (insertBlocked(&onesem, procp[9]) == FALSE) adderrbuf("insertBlocked(): inserted more than MAXPROC "); addokbuf("removeBlocked() test started \n"); for (i = 10; i< MAXPROC; i++) { q = removeBlocked(&sem[i]); if (q == NULL) adderrbuf("removeBlocked(): wouldn't remove "); if (q != procp[i]) adderrbuf("removeBlocked(): removed wrong element "); if (insertBlocked(&sem[i-10], q)) adderrbuf("insertBlocked(3): unexpected TRUE "); } if (removeBlocked(&sem[11]) != NULL) adderrbuf("removeBlocked(): removed nonexistent blocked proc "); addokbuf("insertBlocked() and removeBlocked() ok \n"); if (headBlocked(&sem[11]) != NULL) adderrbuf("headBlocked(): nonNULL for a nonexistent queue "); if ((q = headBlocked(&sem[9])) == NULL) adderrbuf("headBlocked(1): NULL for an existent queue "); if (q != procp[9]) adderrbuf("headBlocked(1): wrong process returned "); p = outBlocked(q); if (p != q) adderrbuf("outBlocked(1): couldn't remove from valid queue "); q = headBlocked(&sem[9]); if (q == NULL) adderrbuf("headBlocked(2): NULL for an existent queue "); if (q != procp[19]) adderrbuf("headBlocked(2): wrong process returned "); p = outBlocked(q); if (p != q) adderrbuf("outBlocked(2): couldn't remove from valid queue "); p = outBlocked(q); if(c = p) addokbuf("saaaaaas \n"); if (p != NULL) adderrbuf("outBlocked(): removed same process twice."); if (headBlocked(&sem[9]) != NULL) adderrbuf("out/headBlocked: unexpected nonempty queue "); addokbuf("headBlocked() and outBlocked() ok \n"); addokbuf("ASL module ok \n"); addokbuf("So Long and Thanks for All the Fish\n"); return 0; }
int main(void) { /************* INIZIALIZZAZIONE DEL SISTEMA */ /* Inizializzazione del vettore dei lock a PASS */ initLock(); /* Inizializzo le new (e old) area di tutte le CPU */ initAreas(pnew_old_areas, NUM_CPU); /* Inizializzo le strutture dati di Phase1 */ initPcbs(); initASL(); /* Inizializzo le strutture dello scheduler */ initReadyQueues(); /************* CARICAMENTO DEI PROCESSI NELLE READY QUEUE */ /* Test phase2 */ //pcb_t *phase2 = allocPcb(); //STST(&(phase2->p_s)); //phase2->p_s.status = getSTATUS(); //phase2->p_s.pc_epc = phase2->p_s.reg_t9 = (memaddr)p2test; //phase2->p_s.reg_sp = PFRAMES_START; //addReady(phase2); /* Test di alcuni processi di prova */ pcb_t *test1 = allocPcb(); STST(&(test1->p_s)); test1->p_s.status = getSTATUS(); (test1->p_s).pc_epc = (test1->p_s).reg_t9 = (memaddr)print1; test1->p_s.reg_sp = PFRAMES_START; addReady(test1); /* Test di alcuni processi di prova */ pcb_t *test2 = allocPcb(); STST(&(test2->p_s)); test2->p_s.status = getSTATUS(); test2->p_s.pc_epc = test2->p_s.reg_t9 = (memaddr)print2; test2->p_s.reg_sp = test1->p_s.reg_sp-FRAME_SIZE; addReady(test2); pcb_t *test3 = allocPcb(); STST(&(test3->p_s)); test3->p_s.status = getSTATUS(); test3->p_s.pc_epc = test3->p_s.reg_t9 = (memaddr)print3; test3->p_s.reg_sp = test2->p_s.reg_sp-FRAME_SIZE; addReady(test3); pcb_t *test4 = allocPcb(); STST(&(test4->p_s)); test4->p_s.status = getSTATUS(); test4->p_s.pc_epc = test4->p_s.reg_t9 = (memaddr)print4; test4->p_s.reg_sp = test3->p_s.reg_sp-FRAME_SIZE; addReady(test4); /************* ESECUZIONE DEI PROCESSI */ /* Inizializzo la Interrupt Routing Table dinamica */ /* initIRT(); */ /* Inizializzo le altre CPU e faccio partire lo scheduler */ initCpus(); return 0; }
int main() { int i; initPcbs(); addokbuf("Initialized Process Control Blocks \n"); /* Check allocPcb */ for (i = 0; i < MAXPROC; i++) { if ((procp[i] = allocPcb()) == NULL) adderrbuf("allocPcb(): unexpected NULL "); } if (allocPcb() != NULL) { adderrbuf(" ERROR: allocPcb(): allocated more than MAXPROC entries "); } addokbuf(" allocPcb test OK \n"); /* Return the last 10 entries back to free list */ for (i = 10; i < MAXPROC; i++) freePcb(procp[i]); addokbuf(" Added 10 entries to the free PCB list \n"); /* Create a 10-element process queue */ INIT_LIST_HEAD(&qa); if (!emptyProcQ(&qa)) adderrbuf("ERROR: emptyProcQ(qa): unexpected FALSE "); addokbuf("Testing insertProcQ ... \n"); for (i = 0; i < 10; i++) { if ((q = allocPcb()) == NULL) adderrbuf("ERROR: allocPcb(): unexpected NULL while insert "); switch (i) { case 3: q->priority=DEFAULT_PCB_PRIORITY; proc = q; break; case 4: q->priority=MAX_PCB_PRIORITY; maxproc = q; break; case 5: q->priority=MIN_PCB_PRIORITY; minproc=q; break; default: q->priority=DEFAULT_PCB_PRIORITY; break; } insertProcQ(&qa, q); } addokbuf("Test insertProcQ: OK. Inserted 10 elements \n"); if (emptyProcQ(&qa)) adderrbuf("ERROR: emptyProcQ(qa): unexpected TRUE" ); /* Check outProcQ and headProcQ */ if (headProcQ(&qa) != maxproc) adderrbuf("ERROR: headProcQ(qa) failed "); /* Removing an element from ProcQ */ q = outProcQ(&qa, proc); if ((q == NULL) || (q != proc)) adderrbuf("ERROR: outProcQ(&qa, proc) failed to remove the entry "); freePcb(q); /* Removing the first element from ProcQ */ q = removeProcQ(&qa); if (q == NULL || q != maxproc) adderrbuf("ERROR: removeProcQ(&qa, midproc) failed to remove the elements in the right order "); freePcb(q); /* Removing other 7 elements */ addokbuf(" Testing removeProcQ ... \n"); for (i = 0; i < 7; i++) { if ((q = removeProcQ(&qa)) == NULL) adderrbuf("removeProcQ(&qa): unexpected NULL "); freePcb(q); } // Removing the last element q=removeProcQ(&qa); if (q != minproc) adderrbuf("ERROR: removeProcQ(): failed on last entry "); freePcb(q); if (removeProcQ(&qa) != NULL) adderrbuf("ERROR: removeProcQ(&qa): removes too many entries "); if (!emptyProcQ(&qa)) adderrbuf("ERROR: emptyProcQ(qa): unexpected FALSE "); addokbuf(" Test insertProcQ(), removeProcQ() and emptyProcQ(): OK \n"); addokbuf(" Test process queues module: OK \n"); addokbuf(" Testing process trees...\n"); if (!emptyChild(procp[2])) adderrbuf("ERROR: emptyChild: unexpected FALSE "); /* make procp[1],procp[2],procp[3], procp[7] children of procp[0] */ addokbuf("Inserting... \n"); insertChild(procp[0], procp[1]); insertChild(procp[0], procp[2]); insertChild(procp[0], procp[3]); insertChild(procp[0], procp[7]); addokbuf("Inserted 2 children of pcb0 \n"); /* make procp[8],procp[9] children of procp[7] */ insertChild(procp[7], procp[8]); insertChild(procp[7], procp[9]); addokbuf("Inserted 2 children of pcb7 \n"); if (emptyChild(procp[0])) adderrbuf("ERROR: emptyChild(procp[0]): unexpected TRUE "); if (emptyChild(procp[7])) adderrbuf("ERROR: emptyChild(procp[0]): unexpected TRUE "); /* Check outChild */ q = outChild(procp[1]); if (q == NULL || q != procp[1]) adderrbuf("ERROR: outChild(procp[1]) failed "); q = outChild(procp[8]); if (q == NULL || q != procp[8]) adderrbuf("ERROR: outChild(procp[8]) failed "); /* Check removeChild */ q = removeChild(procp[0]); if (q == NULL || q != procp[2]) adderrbuf("ERROR: removeChild(procp[0]) failed "); q = removeChild(procp[7]); if (q == NULL || q != procp[9]) adderrbuf("ERROR: removeChild(procp[7]) failed "); q = removeChild(procp[0]); if (q == NULL || q != procp[3]) adderrbuf("ERROR: removeChild(procp[0]) failed "); q = removeChild(procp[0]); if (q == NULL || q != procp[7]) adderrbuf("ERROR: removeChild(procp[0]) failed "); if (removeChild(procp[0]) != NULL) adderrbuf("ERROR: removeChild(): removes too many children "); if (!emptyChild(procp[0])) adderrbuf("ERROR: emptyChild(procp[0]): unexpected FALSE "); addokbuf("Test: insertChild(), removeChild() and emptyChild() OK \n"); addokbuf("Testing process tree module OK \n"); freePcb(procp[0]); freePcb(procp[1]); freePcb(procp[2]); freePcb(procp[3]); freePcb(procp[4]); freePcb(procp[5]); freePcb(procp[6]); freePcb(procp[7]); freePcb(procp[8]); freePcb(procp[9]); /* check ASL */ initASL(); addokbuf("Initializing active semaphore list \n"); /* check removeBlocked and insertBlocked */ addokbuf(" Test insertBlocked(): test #1 started \n"); for (i = 10; i < MAXPROC; i++) { procp[i] = allocPcb(); if (insertBlocked(i, procp[i])) adderrbuf("ERROR: insertBlocked() test#1: unexpected TRUE "); } addokbuf("Test insertBlocked(): test #2 started \n"); for (i = 0; i < 10; i++) { procp[i] = allocPcb(); if (insertBlocked(i, procp[i])) adderrbuf("ERROR:insertBlocked() test #2: unexpected TRUE "); } /* check if semaphore descriptors are returned to the free list */ p = removeBlocked(11); if (insertBlocked(11,p)) adderrbuf("ERROR: removeBlocked(): fails to return to free list "); if (insertBlocked(MAXPROC+1, procp[9]) == FALSE) adderrbuf("ERROR: insertBlocked(): inserted more than MAXPROC "); addokbuf("Test removeBlocked(): test started \n"); for (i = 10; i< MAXPROC; i++) { q = removeBlocked(i); if (q == NULL) adderrbuf("ERROR: removeBlocked(): wouldn't remove "); if (q != procp[i]) adderrbuf("ERROR: removeBlocked(): removed wrong element "); } if (removeBlocked(11) != NULL) adderrbuf("ERROR: removeBlocked(): removed nonexistent blocked proc "); addokbuf("Test: insertBlocked() and removeBlocked() ok \n"); if (headBlocked(11) != NULL) adderrbuf("ERROR: headBlocked(): nonNULL for a nonexistent queue "); if ((q = headBlocked(9)) == NULL) adderrbuf("ERROR: headBlocked(1): NULL for an existent queue "); if (q != procp[9]) adderrbuf("ERROR: headBlocked(1): wrong process returned "); p = outBlocked(q); if (p != q) adderrbuf("ERROR: outBlocked(1): couldn't remove from valid queue "); /* Creating a 2-layer tree */ insertChild(procp[0], procp[1]); insertChild(procp[0], procp[2]); insertChild(procp[0], procp[3]); insertChild(procp[3], procp[4]); /* Testing outChildBlocked */ outChildBlocked(procp[0]); if (headBlocked(0) != NULL) adderrbuf("ERROR: outChildBlocked(): nonNULL for a nonexistent queue (0) "); if (headBlocked(1) != NULL) adderrbuf("ERROR: outChildBlocked(): nonNULL for a nonexistent queue (1) "); if (headBlocked(2) != NULL) adderrbuf("ERROR: outChildBlocked(): nonNULL for a nonexistent queue (2) "); if (headBlocked(3) != NULL) adderrbuf("ERROR: outChildBlocked(): nonNULL for a nonexistent queue (3) "); if (headBlocked(4) != NULL) adderrbuf("ERROR: outChildBlocked(): nonNULL for a nonexistent queue (4) "); if (headBlocked(5) == NULL) adderrbuf("ERROR: outChildBlocked(): NULL for an existent queue (5) "); addokbuf("Test headBlocked() and outBlocked(): OK \n"); addokbuf("ASL module OK \n"); addokbuf("So Long and Thanks for All the Fish\n"); return 0; }