1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) International Business Machines Corp., 2001 4f08c3bdfSopenharmony_ci * Copyright (c) 2012-2018 Cyril Hrubis <chrubis@suse.cz> 5f08c3bdfSopenharmony_ci */ 6f08c3bdfSopenharmony_ci 7f08c3bdfSopenharmony_ci/* 8f08c3bdfSopenharmony_ci * wait401 - check that a call to wait4() correctly waits for a child 9f08c3bdfSopenharmony_ci * process to exit 10f08c3bdfSopenharmony_ci */ 11f08c3bdfSopenharmony_ci 12f08c3bdfSopenharmony_ci#include <stdlib.h> 13f08c3bdfSopenharmony_ci#include <errno.h> 14f08c3bdfSopenharmony_ci#define _USE_BSD 15f08c3bdfSopenharmony_ci#include <sys/types.h> 16f08c3bdfSopenharmony_ci#include <sys/resource.h> 17f08c3bdfSopenharmony_ci#include <sys/wait.h> 18f08c3bdfSopenharmony_ci#include "tst_test.h" 19f08c3bdfSopenharmony_ci 20f08c3bdfSopenharmony_cistatic void run(void) 21f08c3bdfSopenharmony_ci{ 22f08c3bdfSopenharmony_ci pid_t pid; 23f08c3bdfSopenharmony_ci int status = 1; 24f08c3bdfSopenharmony_ci struct rusage rusage; 25f08c3bdfSopenharmony_ci 26f08c3bdfSopenharmony_ci pid = SAFE_FORK(); 27f08c3bdfSopenharmony_ci if (!pid) { 28f08c3bdfSopenharmony_ci TST_PROCESS_STATE_WAIT(getppid(), 'S', 0); 29f08c3bdfSopenharmony_ci exit(0); 30f08c3bdfSopenharmony_ci } 31f08c3bdfSopenharmony_ci 32f08c3bdfSopenharmony_ci TST_EXP_PID_SILENT(wait4(pid, &status, 0, &rusage), "wait4()"); 33f08c3bdfSopenharmony_ci if (!TST_PASS) 34f08c3bdfSopenharmony_ci return; 35f08c3bdfSopenharmony_ci 36f08c3bdfSopenharmony_ci if (TST_RET != pid) { 37f08c3bdfSopenharmony_ci tst_res(TFAIL, "wait4() returned wrong pid %li, expected %i", 38f08c3bdfSopenharmony_ci TST_RET, pid); 39f08c3bdfSopenharmony_ci } else { 40f08c3bdfSopenharmony_ci tst_res(TPASS, "wait4() returned correct pid %i", pid); 41f08c3bdfSopenharmony_ci } 42f08c3bdfSopenharmony_ci 43f08c3bdfSopenharmony_ci if (!WIFEXITED(status)) { 44f08c3bdfSopenharmony_ci tst_res(TFAIL, "WIFEXITED() not set in status (%s)", 45f08c3bdfSopenharmony_ci tst_strstatus(status)); 46f08c3bdfSopenharmony_ci return; 47f08c3bdfSopenharmony_ci } 48f08c3bdfSopenharmony_ci 49f08c3bdfSopenharmony_ci tst_res(TPASS, "WIFEXITED() is set in status"); 50f08c3bdfSopenharmony_ci 51f08c3bdfSopenharmony_ci if (WEXITSTATUS(status)) 52f08c3bdfSopenharmony_ci tst_res(TFAIL, "WEXITSTATUS() != 0 but %i", WEXITSTATUS(status)); 53f08c3bdfSopenharmony_ci else 54f08c3bdfSopenharmony_ci tst_res(TPASS, "WEXITSTATUS() == 0"); 55f08c3bdfSopenharmony_ci 56f08c3bdfSopenharmony_ci} 57f08c3bdfSopenharmony_ci 58f08c3bdfSopenharmony_cistatic struct tst_test test = { 59f08c3bdfSopenharmony_ci .forks_child = 1, 60f08c3bdfSopenharmony_ci .test_all = run, 61f08c3bdfSopenharmony_ci}; 62