1 /* $NetBSD: t_pipe2.c,v 1.2 2011/10/31 21:30:16 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 #include <sys/cdefs.h> 39 __RCSID("$NetBSD: t_pipe2.c,v 1.2 2011/10/31 21:30:16 christos Exp $"); 40 41 #include <atf-c.h> 42 #include <fcntl.h> 43 #include <unistd.h> 44 #include <stdlib.h> 45 #include <errno.h> 46 47 static void 48 run(int flags) 49 { 50 int fd[2], i; 51 52 while ((i = open("/", O_RDONLY)) < 3) 53 ATF_REQUIRE(i != -1); 54 55 ATF_REQUIRE(fcntl(3, F_CLOSEM) != -1); 56 57 ATF_REQUIRE(pipe2(fd, flags) == 0); 58 59 ATF_REQUIRE(fd[0] == 3); 60 ATF_REQUIRE(fd[1] == 4); 61 62 if (flags & O_CLOEXEC) { 63 ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) != 0); 64 ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) != 0); 65 } else { 66 ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) == 0); 67 ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) == 0); 68 } 69 70 if (flags & O_NONBLOCK) { 71 ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) != 0); 72 ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) != 0); 73 } else { 74 ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) == 0); 75 ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) == 0); 76 } 77 78 ATF_REQUIRE(close(fd[0]) != -1); 79 ATF_REQUIRE(close(fd[1]) != -1); 80 } 81 82 ATF_TC(pipe2_basic); 83 ATF_TC_HEAD(pipe2_basic, tc) 84 { 85 atf_tc_set_md_var(tc, "descr", "A basic test of pipe2(2)"); 86 } 87 88 ATF_TC_BODY(pipe2_basic, tc) 89 { 90 run(0); 91 } 92 93 ATF_TC(pipe2_nonblock); 94 ATF_TC_HEAD(pipe2_nonblock, tc) 95 { 96 atf_tc_set_md_var(tc, "descr", "A non-blocking test of pipe2(2)"); 97 } 98 99 ATF_TC_BODY(pipe2_nonblock, tc) 100 { 101 run(O_NONBLOCK); 102 } 103 104 ATF_TC(pipe2_cloexec); 105 ATF_TC_HEAD(pipe2_cloexec, tc) 106 { 107 atf_tc_set_md_var(tc, "descr", "A close-on-exec of pipe2(2)"); 108 } 109 110 ATF_TC_BODY(pipe2_cloexec, tc) 111 { 112 run(O_CLOEXEC); 113 } 114 115 ATF_TC(pipe2_einval); 116 ATF_TC_HEAD(pipe2_einval, tc) 117 { 118 atf_tc_set_md_var(tc, "descr", "A error check of pipe2(2)"); 119 } 120 121 ATF_TC_BODY(pipe2_einval, tc) 122 { 123 int fd[2]; 124 ATF_REQUIRE_ERRNO(EINVAL, pipe2(fd, O_ASYNC) == -1); 125 } 126 127 ATF_TP_ADD_TCS(tp) 128 { 129 130 ATF_TP_ADD_TC(tp, pipe2_basic); 131 ATF_TP_ADD_TC(tp, pipe2_nonblock); 132 ATF_TP_ADD_TC(tp, pipe2_cloexec); 133 ATF_TP_ADD_TC(tp, pipe2_einval); 134 135 return atf_no_error(); 136 } 137