/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "it_test_signal.h" static const int NAME_BUF_SIZE = 50; static const int TAR_STR_LEN = 12; static UINT32 Testcase(VOID) { int tarFd, ret, spid; char buffer[20]; // 20, target buffer size char pathname[NAME_BUF_SIZE]; char *filename = "/mkfifotest2"; char *dir = "/dev"; errno_t ret1 = strncpy_s(pathname, NAME_BUF_SIZE, dir, strlen(dir)); ICUNIT_ASSERT_EQUAL(ret1, EOK, ret1); ret1 = strcat_s(pathname, NAME_BUF_SIZE, filename); ICUNIT_ASSERT_EQUAL(ret1, EOK, ret1); ret = mkfifo(pathname, 0777); // 0777, file athurioty ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT1); spid = fork(); ICUNIT_GOTO_NOT_EQUAL(ret, -1, ret, EXIT1); if (spid == 0) { sleep(1); tarFd = open(pathname, O_WRONLY, 0777); // 0777, file athurioty if (tarFd == -1) { exit(12); // 12, the value of son process unexpect exit, convenient to debug } printf("son tarfd = %d\n", tarFd); ret = write(tarFd, "hello world", TAR_STR_LEN); if (ret != TAR_STR_LEN) { exit(11); // 11, the value of son process unexpect exit, convenient to debug } printf("write first status: %d\n", ret); close(tarFd); exit(RED_FLAG); } tarFd = open(pathname, O_RDONLY, 0777); // 0777, file athurioty printf("son tarfd = %d\n", tarFd); ICUNIT_GOTO_NOT_EQUAL(tarFd, -1, tarFd, EXIT); ret = read(tarFd, buffer, TAR_STR_LEN); ICUNIT_GOTO_EQUAL(ret, TAR_STR_LEN, ret, EXIT); ret = strcmp(buffer, "hello world"); ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT); printf("read fifo success: %s\n", buffer); wait(&ret); ICUNIT_GOTO_EQUAL(WEXITSTATUS(ret), RED_FLAG, WEXITSTATUS(ret), EXIT); close(tarFd); remove(pathname); printf("mkfifo ok\n"); return LOS_OK; EXIT: close(tarFd); EXIT1: remove(pathname); return LOS_NOK; } VOID ItIpcMkfifo002(void) { TEST_ADD_CASE(__FUNCTION__, Testcase, TEST_LIB, TEST_LIBC, TEST_LEVEL1, TEST_FUNCTION); }