1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) Ulrich Drepper <drepper@redhat.com> 4f08c3bdfSopenharmony_ci * Copyright (c) International Business Machines Corp., 2009 5f08c3bdfSopenharmony_ci * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved. 6f08c3bdfSopenharmony_ci * 7f08c3bdfSopenharmony_ci * Author: Ulrich Drepper <drepper@redhat.com> 8f08c3bdfSopenharmony_ci * 9f08c3bdfSopenharmony_ci * History: 10f08c3bdfSopenharmony_ci * Created - Jan 13 2009 - Ulrich Drepper <drepper@redhat.com> 11f08c3bdfSopenharmony_ci * Ported to LTP - Jan 13 2009 - Subrata <subrata@linux.vnet.ibm.com> 12f08c3bdfSopenharmony_ci * Converted into new api - Apri 15 2020 - Yang Xu <xuyang2018.jy@cn.fujitsu.com> 13f08c3bdfSopenharmony_ci */ 14f08c3bdfSopenharmony_ci 15f08c3bdfSopenharmony_ci#define _GNU_SOURCE 16f08c3bdfSopenharmony_ci#include <stdio.h> 17f08c3bdfSopenharmony_ci#include <unistd.h> 18f08c3bdfSopenharmony_ci#include "lapi/fcntl.h" 19f08c3bdfSopenharmony_ci#include "tst_test.h" 20f08c3bdfSopenharmony_ci 21f08c3bdfSopenharmony_cistatic int fds[2]; 22f08c3bdfSopenharmony_ci 23f08c3bdfSopenharmony_cistatic struct tcase { 24f08c3bdfSopenharmony_ci int flags; 25f08c3bdfSopenharmony_ci int cmd; 26f08c3bdfSopenharmony_ci int check_read_end; 27f08c3bdfSopenharmony_ci char *message; 28f08c3bdfSopenharmony_ci} tcases[] = { 29f08c3bdfSopenharmony_ci {0, F_GETFD, 1, "Test pipe2 with 0 flag"}, 30f08c3bdfSopenharmony_ci {O_CLOEXEC, F_GETFD, 1, "Test pipe2 using O_CLOEXEC flag"}, 31f08c3bdfSopenharmony_ci /* 32f08c3bdfSopenharmony_ci * It may get EINVAL error on older kernel because this flag was 33f08c3bdfSopenharmony_ci * introduced since kernel 3.4. We only test flag in write end 34f08c3bdfSopenharmony_ci * because this flag was used to make pipe buffer marked with the 35f08c3bdfSopenharmony_ci * PIPE_BUF_FLAG_PACKET flag. In read end, kernel also checks buffer 36f08c3bdfSopenharmony_ci * flag instead of O_DIRECT. So it make no sense to check this flag 37f08c3bdfSopenharmony_ci * in fds[0]. 38f08c3bdfSopenharmony_ci */ 39f08c3bdfSopenharmony_ci {O_DIRECT, F_GETFL, 0, "Test pipe2 using O_DIRECT flag"}, 40f08c3bdfSopenharmony_ci {O_NONBLOCK, F_GETFL, 1, "Test pipe2 using O_NONBLOCK flag"}, 41f08c3bdfSopenharmony_ci}; 42f08c3bdfSopenharmony_ci 43f08c3bdfSopenharmony_cistatic void cleanup(void) 44f08c3bdfSopenharmony_ci{ 45f08c3bdfSopenharmony_ci if (fds[0] > 0) 46f08c3bdfSopenharmony_ci SAFE_CLOSE(fds[0]); 47f08c3bdfSopenharmony_ci if (fds[1] > 1) 48f08c3bdfSopenharmony_ci SAFE_CLOSE(fds[1]); 49f08c3bdfSopenharmony_ci} 50f08c3bdfSopenharmony_ci 51f08c3bdfSopenharmony_cistatic void verify_pipe2(unsigned int n) 52f08c3bdfSopenharmony_ci{ 53f08c3bdfSopenharmony_ci struct tcase *tc = &tcases[n]; 54f08c3bdfSopenharmony_ci int get_flag = 0, i = 0; 55f08c3bdfSopenharmony_ci 56f08c3bdfSopenharmony_ci tst_res(TINFO, "%s ", tc->message); 57f08c3bdfSopenharmony_ci 58f08c3bdfSopenharmony_ci SAFE_PIPE2(fds, tc->flags); 59f08c3bdfSopenharmony_ci for (i = 0; i < 2; i++) { 60f08c3bdfSopenharmony_ci if (i == 0 && !tc->check_read_end) 61f08c3bdfSopenharmony_ci continue; 62f08c3bdfSopenharmony_ci get_flag = SAFE_FCNTL(fds[i], tc->cmd); 63f08c3bdfSopenharmony_ci if ((get_flag && tc->flags) || (tc->flags == get_flag)) 64f08c3bdfSopenharmony_ci tst_res(TPASS, "pipe2 fds[%d] gets expected flag(%d)", i, tc->flags); 65f08c3bdfSopenharmony_ci else 66f08c3bdfSopenharmony_ci tst_res(TFAIL, "pipe2 fds[%d] doesn't get expected flag(%d), get flag(%d)", 67f08c3bdfSopenharmony_ci i, tc->flags, get_flag); 68f08c3bdfSopenharmony_ci } 69f08c3bdfSopenharmony_ci cleanup(); 70f08c3bdfSopenharmony_ci} 71f08c3bdfSopenharmony_ci 72f08c3bdfSopenharmony_cistatic struct tst_test test = { 73f08c3bdfSopenharmony_ci .tcnt = ARRAY_SIZE(tcases), 74f08c3bdfSopenharmony_ci .test = verify_pipe2, 75f08c3bdfSopenharmony_ci .cleanup = cleanup, 76f08c3bdfSopenharmony_ci}; 77