int main(){
initShell();
initProcessList();
while(1){
prompt(); //substituir por variavel - para mostra o diretorio que esta
newProcess = (Process_Object *)malloc(sizeof(Process_Object));
parser();
runProcess(newProcess);
//resetAttributes();
}
}
int main() {
int inputPipe;
char buffer[BUFFER_LEN];
char mktemp_filename[PATH_MAX];
char mktemp_dir[PATH_MAX];
int ret;
int terminalPid;
TerminalList * termlist = lst_new();
pthread_t threadMonitor;
char *args[N_ARGS];
if (signal(SIGINT, handleSIGINT)) {
fprintf(stderr, "Could not set sigint handler!\n");
exit(EXIT_FAILURE);
}
if (pthread_mutex_init(&mutexRunningProcesses, NULL)) {
fprintf(stderr, "Could not create runningProcesses mutex\n");
exit(EXIT_FAILURE);
}
if (pthread_cond_init(&condRunningProcesses, NULL)) {
fprintf(stderr, "Could not create runningProcesses cond\n");
exit(EXIT_FAILURE);
}
if (pthread_cond_init(&condFreeSlots, NULL)) {
fprintf(stderr, "Could not create FreeSlots cond\n");
exit(EXIT_FAILURE);
}
strcpy(mktemp_dir, MKTEMP_TEMPLATE);
TESTTRUE(mkdtemp(mktemp_dir)!=NULL, "Erro na criação do diretorio temporário (" _AT_ ")\n");
strncpy(mktemp_filename, mktemp_dir, PATH_MAX);
strncpy(mktemp_filename+strlen(mktemp_filename), "/" INPUT_FILE, PATH_MAX-strlen(mktemp_filename));
fprintf(stdin, "Ficheiro de input: '%s'\n", mktemp_filename);
if (mkfifo(mktemp_filename, 0660) <0) {
fprintf(stderr, "Could not create fifo %s\n", mktemp_filename);
exit(EXIT_FAILURE);
}
printf("A abrir o pipe %s para leitura...\n", mktemp_filename);
if ((inputPipe = open(mktemp_filename, O_RDONLY)) < 0) {
fprintf(stderr, "Could not create fifo " INPUT_FILE "\n");
exit(EXIT_FAILURE);
}
printf("A abrir o pipe %s para escrita...\n", mktemp_filename);
if ((outPipe = open(mktemp_filename, O_WRONLY|O_NONBLOCK)) < 0) {
fprintf(stderr, "Erro ao abrir o ficheiro de output" INPUT_FILE "\n");
exit(EXIT_FAILURE);
}
initProcessList();
if(pthread_create(&threadMonitor, 0,processMonitor, NULL)!= 0) {
printf("Erro na criação da tarefa\n");
exit(EXIT_FAILURE);
}
while(1) {
if (exitCalled) break;
if (readFromPipe(inputPipe, buffer, &terminalPid, termlist)!=0) continue;
printf("Comando: %s\n", buffer);
ret = readLineArguments(args, N_ARGS, buffer, BUFFER_LEN);
if (!ret) continue;
processesWaitingToRun++;
newProcess(args, terminalPid);
}
//Mata todos os processos de terminal
lst_destroy(termlist);
C_SIGNAL(&condRunningProcesses);
pthread_join(threadMonitor, NULL);
//The following function is called after all threads have joined, therefore there aren't used any mutexes
exitParShell();
endProcessList();
pthread_mutex_destroy(&mutexRunningProcesses);
pthread_cond_destroy(&condRunningProcesses);
pthread_cond_destroy(&condFreeSlots);
close(inputPipe); //aqui nao faz sentido testar o return destas funcoes
close(outPipe); //aqui nao faz sentido testar o return destas funcoes
unlink(INPUT_FILE); //aqui nao faz sentido testar o return destas funcoes
return EXIT_SUCCESS;
}
