1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) 2014 Fujitsu Ltd. 4 * Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com> 5 */ 6 /*\ 7 * [Description] 8 * 9 * Check that if the calling process does not have any unwaited-for children 10 * wait() will return ECHILD. 11 */ 12 13 #include <sys/wait.h> 14 #include <sys/types.h> 15 #include "tst_test.h" 16 verify_wait(void)17static void verify_wait(void) 18 { 19 TST_EXP_FAIL(wait(NULL), ECHILD); 20 } 21 22 static struct tst_test test = { 23 .test_all = verify_wait, 24 }; 25