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; }