1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) Crackerjack Project., 2007 4f08c3bdfSopenharmony_ci * Copyright (c) Manas Kumar Nayak maknayak@in.ibm.com> 5f08c3bdfSopenharmony_ci * Copyright (C) 2021 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com> 6f08c3bdfSopenharmony_ci */ 7f08c3bdfSopenharmony_ci 8f08c3bdfSopenharmony_ci/*\ 9f08c3bdfSopenharmony_ci * [Description] 10f08c3bdfSopenharmony_ci * 11f08c3bdfSopenharmony_ci * Tests if waitid() filters children correctly by the PID. 12f08c3bdfSopenharmony_ci * 13f08c3bdfSopenharmony_ci * - waitid() with PID + 1 returns ECHILD 14f08c3bdfSopenharmony_ci * - waitid() with PID returns correct data 15f08c3bdfSopenharmony_ci */ 16f08c3bdfSopenharmony_ci 17f08c3bdfSopenharmony_ci#include <stdlib.h> 18f08c3bdfSopenharmony_ci#include <sys/wait.h> 19f08c3bdfSopenharmony_ci#include "tst_test.h" 20f08c3bdfSopenharmony_ci 21f08c3bdfSopenharmony_cistatic siginfo_t *infop; 22f08c3bdfSopenharmony_ci 23f08c3bdfSopenharmony_cistatic void run(void) 24f08c3bdfSopenharmony_ci{ 25f08c3bdfSopenharmony_ci pid_t pid_child; 26f08c3bdfSopenharmony_ci 27f08c3bdfSopenharmony_ci pid_child = SAFE_FORK(); 28f08c3bdfSopenharmony_ci if (!pid_child) 29f08c3bdfSopenharmony_ci exit(0); 30f08c3bdfSopenharmony_ci 31f08c3bdfSopenharmony_ci TST_EXP_FAIL(waitid(P_PID, pid_child+1, infop, WEXITED), ECHILD); 32f08c3bdfSopenharmony_ci 33f08c3bdfSopenharmony_ci memset(infop, 0, sizeof(*infop)); 34f08c3bdfSopenharmony_ci TST_EXP_PASS(waitid(P_PID, pid_child, infop, WEXITED)); 35f08c3bdfSopenharmony_ci 36f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_pid, pid_child); 37f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_status, 0); 38f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_signo, SIGCHLD); 39f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_code, CLD_EXITED); 40f08c3bdfSopenharmony_ci} 41f08c3bdfSopenharmony_ci 42f08c3bdfSopenharmony_cistatic struct tst_test test = { 43f08c3bdfSopenharmony_ci .test_all = run, 44f08c3bdfSopenharmony_ci .forks_child = 1, 45f08c3bdfSopenharmony_ci .bufs = (struct tst_buffers[]) { 46f08c3bdfSopenharmony_ci {&infop, .size = sizeof(*infop)}, 47f08c3bdfSopenharmony_ci {} 48f08c3bdfSopenharmony_ci } 49f08c3bdfSopenharmony_ci}; 50