static task_id_t spawn(int argc, char *argv[])
{
const char **args;
task_id_t id = 0;
int rc;
args = (const char **) calloc(argc + 1, sizeof(char *));
if (!args) {
fprintf(stderr, "No memory available\n");
return 0;
}
int i;
for (i = 0; i < argc; i++)
args[i] = argv[i];
args[argc] = NULL;
rc = task_spawnv(&id, argv[0], args);
free(args);
if (rc != EOK) {
fprintf(stderr, "%s: Error spawning %s (%s)\n", NAME, argv[0],
str_error(rc));
return 0;
}
return id;
}
int main(int argc, char *argv[])
{
argv++;
argc--;
if (argc < 4) {
usage();
return 1;
}
char *term = *argv;
argv++;
argc--;
char *locfs = *argv;
argv++;
argc--;
bool print_msg = false;
bool wait = false;
while ((argc > 0) && (str_cmp(*argv, "--") != 0)) {
if (str_cmp(*argv, "--msg") == 0) {
print_msg = true;
} else if (str_cmp(*argv, "--wait") == 0) {
wait = true;
} else {
usage();
return 2;
}
argv++;
argc--;
}
if (argc < 1) {
usage();
return 3;
}
/* Skip "--" */
argv++;
argc--;
char *cmd = *argv;
char **args = argv;
if (wait) {
/* Wait for the terminal service to be ready */
service_id_t service_id;
int rc = loc_service_get_id(term, &service_id, IPC_FLAG_BLOCKING);
if (rc != EOK) {
printf("%s: Error waiting on %s (%s)\n", APP_NAME, term,
str_error(rc));
return rc;
}
}
char term_node[LOC_NAME_MAXLEN];
snprintf(term_node, LOC_NAME_MAXLEN, "%s/%s", locfs, term);
reopen(&stdin, 0, term_node, O_RDONLY, "r");
reopen(&stdout, 1, term_node, O_WRONLY, "w");
reopen(&stderr, 2, term_node, O_WRONLY, "w");
if (stdin == NULL)
return 4;
if (stdout == NULL)
return 5;
if (stderr == NULL)
return 6;
/*
* FIXME: fdopen() should actually detect that we are opening a console
* and it should set line-buffering mode automatically.
*/
setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
version_print(term);
if (print_msg)
welcome_msg_print();
task_id_t id;
task_wait_t twait;
int rc = task_spawnv(&id, &twait, cmd, (const char * const *) args);
if (rc != EOK) {
printf("%s: Error spawning %s (%s)\n", APP_NAME, cmd,
str_error(rc));
return rc;
}
task_exit_t texit;
int retval;
rc = task_wait(&twait, &texit, &retval);
if (rc != EOK) {
printf("%s: Error waiting for %s (%s)\n", APP_NAME, cmd,
str_error(rc));
return rc;
}
return 0;
}
