int nsh_execapp(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
FAR char **argv)
{
int ret = OK;
sched_lock();
/* Try to find command within pre-built application list. */
ret = exec_namedapp(cmd, (FAR const char **)argv);
if (ret >= 0)
{
#ifdef CONFIG_SCHED_WAITPID
if (vtbl->np.np_bg == false)
{
int rc = 0;
waitpid(ret, &rc, 0);
/* We can't return the exact status (nsh has nowhere to put it)
* so just pass back zero/nonzero in a fashion that doesn't look
* like an error.
*/
ret = (rc == 0) ? OK : 1;
/* TODO: Set the environment variable '?' to a string corresponding
* to WEXITSTATUS(rc) so that $? will expand to the exit status of
* the most recently executed task.
*/
}
else
#endif
{
struct sched_param param;
sched_getparam(0, ¶m);
nsh_output(vtbl, "%s [%d:%d]\n", cmd, ret, param.sched_priority);
/* Backgrounded commands always 'succeed' as long as we can start
* them.
*/
ret = OK;
}
}
sched_unlock();
if (ret < 0)
{
return -errno;
}
return ret;
}
int nsh_execapp(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
FAR char *argv[])
{
#ifndef CONFIG_APPS_BINDIR
FAR const char * name;
#endif
int ret = OK;
/* Try to find command within pre-built application list. */
ret = exec_namedapp(cmd, argv);
if (ret < 0)
{
int err = -errno;
#ifndef CONFIG_APPS_BINDIR
int i;
/* On failure, list the set of available built-in commands */
nsh_output(vtbl, "Builtin Apps: ");
for (i = 0; (name = namedapp_getname(i)) != NULL; i++)
{
nsh_output(vtbl, "%s ", name);
}
nsh_output(vtbl, "\nand type 'help' for more NSH commands.\n\n");
/* If the failing command was '?', then do not report an error */
if (strcmp(cmd, "?") != 0)
{
return err;
}
return OK;
#else
return err;
#endif
}
#ifdef CONFIG_SCHED_WAITPID
if (vtbl->np.np_bg == false)
{
waitpid(ret, NULL, 0);
}
else
#endif
{
struct sched_param param;
sched_getparam(0, ¶m);
nsh_output(vtbl, "%s [%d:%d]\n", cmd, ret, param.sched_priority);
}
return OK;
}
