void main() { clrscr(); cout << "Enter the Number of Process : "; cin >> n; cout << "\n\n1) FCFS 2) SJF 3) SRTF 4) RR\n\n"; cout << "Enter Your Choice : "; cin >> choice; cout << "\n"; int i; for(i=0;i<n;i++) { cout << "Arrival Time & Service Time for Process " << i+1 << " : "; tab[i][0]=i+1; cin >> tab[i][1]; cin >> tab[i][2]; } ttt=totaltime(); switch(choice) { case '1': fcfs();break; case '2': sjf();break; case '3': srtf();break; case '4': rr();break; default : exit(0); } }
int main() { readProcess(); sort(); sjf(); print(); return 0; }
int main (void ) { int valor; printf ("Digite um escalonamento: \n\n"); printf ("1) FCFS \n"); printf ("2) SJF \n"); printf ("3) SRTF \n"); printf ("4) ROUND ROBIN \n"); printf ("5) MULTINIVEL \n"); printf ("6) SAIR \n\n"); scanf("%d", &valor); switch ( valor ) { case 1 : fcfs(); break; case 2 : sjf();; break; case 3 : srtf();; break; case 4 : roundrobin(); break; case 5 : multinivel(); break; case 6 : printf ("\nFim.\n"); break; default : printf ("Valor invalido!\n"); } return 0; }
int main(int argc, char *argv[]) { int choice; if (argc != 2) { fprintf(stderr, "Usage: [%s] + num_process\n", argv[0]); } while (true) { menu_show(); scanf("%d", &choice); switch(choice) { case 1: priority_create(atoi(argv[1])); priority(); break; case 2: fcfs_create(atoi(argv[1])); fcfs(); break; case 3: sjf_create(atoi(argv[1])); sjf(); break; case 0: printf("退出程序...\n"); break; default: printf("选择错误,请重新选择!\n"); break; } if (choice == 0) break; } return EXIT_SUCCESS; }
//início int main(){ // lê dados das tarefas da entrada padrão read_input(); init(); // imprime cabeçalho do diagrama cabecalho(); // t = 0 tempo = 0; // enquanto t < tmax while ( tempo < tmax ){ sjf(); // incrementa o tempo (t++) tempo++; // incrementa contadores da tarefa corrente (tempo de vida e de quantum) // fim enquanto } printf("\nTempo Medio de vida: %.2f",tempo_medio_vida); printf("\nTempo Medio de espera: %.2f",tempo_medio_espera/qtd_Tprocess); printf("\nNumero de trocas de contexto: %d\n",numero_troca_contexto); // calcula e imprime tempos médios //fim }
int main(int argc, char **argv) { FILE * inputf; if (argc == 3) { verbose = 1; inputf = fopen(argv[2], "r"); } else if (argc == 2) { verbose = 0; inputf = fopen(argv[1], "r"); } random_ints = fopen(RANDOM_INTS, "r"); int pool_sz; int a; int b; int c; int io; fscanf(inputf, "%d", &pool_sz); int p_ind; process pool[pool_sz]; process pool_copy[pool_sz]; process sorted_pool[pool_sz]; process sorted_copy[pool_sz]; process proc; int state[pool_sz]; char * list_output; char * process_format = " ( %d %d %d %d )"; printf("The original input was: %d", pool_sz); for (p_ind = 0; p_ind < pool_sz; p_ind ++) { fscanf(inputf, process_format, &a, &b, &c, &io); asprintf(&list_output, process_format, a, b, c, io); printf(list_output); proc = init_process(p_ind, a, b, c, io); pool[p_ind] = proc; sorted_pool[p_ind] = proc; state[p_ind] = UNSTARTED; } printf("\n"); qsort(sorted_pool, pool_sz, sizeof(process), process_cmp); printf("The (sorted) input is: %d", pool_sz); for (p_ind = 0; p_ind < pool_sz; p_ind ++) { proc = sorted_pool[p_ind]; asprintf(&list_output, process_format, proc.arrival_time, proc.cpu_burst_gen, proc.cpu_time_left, proc.io_burst_gen); printf(list_output); } printf("\n\n"); list_output = NULL; process_format = NULL; memcpy(pool_copy, pool, sizeof(process) * pool_sz); memcpy(sorted_copy, sorted_pool, sizeof(process) * pool_sz); uni(state, pool_copy, sorted_copy, pool_sz); fclose(random_ints); random_ints = fopen(RANDOM_INTS, "r"); int i = 0; for (i = 0; i < pool_sz; i ++) { state[i] = UNSTARTED; } memcpy(pool_copy, pool, sizeof(process) * pool_sz); fcfs(state, pool_copy, pool_sz); fclose(random_ints); random_ints = fopen(RANDOM_INTS, "r"); for (i = 0; i < pool_sz; i ++) { state[i] = UNSTARTED; } memcpy(pool_copy, pool, sizeof(process) * pool_sz); sjf(state, pool_copy, pool_sz); fclose(random_ints); random_ints = fopen(RANDOM_INTS, "r"); for (i = 0; i < pool_sz; i ++) { state[i] = UNSTARTED; } memcpy(pool_copy, pool, sizeof(process) * pool_sz); roundrobin(2, state, pool_copy, pool_sz); fclose(random_ints); return 0; }