1/* $NetBSD: t_ksem.c,v 1.1 2019/02/03 03:20:24 thorpej Exp $ */ 2 3/* 4 * Copyright (c) 2019 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30__COPYRIGHT("@(#) Copyright (c) 2019\ 31 The NetBSD Foundation, inc. All rights reserved."); 32__RCSID("$NetBSD: t_ksem.c,v 1.1 2019/02/03 03:20:24 thorpej Exp $"); 33 34#include <sys/mman.h> 35#include <sys/wait.h> 36 37#include <errno.h> 38#include <fcntl.h> 39#include <stdio.h> 40#include <unistd.h> 41 42#include <atf-c.h> 43 44#define _LIBC 45#include <sys/ksem.h> 46 47ATF_TC(close_on_unnamed); 48ATF_TC_HEAD(close_on_unnamed, tc) 49{ 50 atf_tc_set_md_var(tc, "descr", 51 "test for correct error on close of unnamed semaphore"); 52} 53ATF_TC_BODY(close_on_unnamed, tc) 54{ 55 intptr_t ksem; 56 57 /* _ksem_close() is invalid on unnamed semaphore. */ 58 ksem = 0; 59 ATF_REQUIRE_EQ(_ksem_init(0, &ksem), 0); 60 ATF_REQUIRE(_ksem_close(ksem) == -1 && errno == EINVAL); 61 ATF_REQUIRE_EQ(_ksem_destroy(ksem), 0); 62} 63 64ATF_TC(close_on_unnamed_pshared); 65ATF_TC_HEAD(close_on_unnamed_pshared, tc) 66{ 67 atf_tc_set_md_var(tc, "descr", 68 "test for correct error on close of unnamed pshared semaphore"); 69} 70ATF_TC_BODY(close_on_unnamed_pshared, tc) 71{ 72 intptr_t ksem; 73 74 /* Similar, but lifecycle of pshared is slightly different. */ 75 ksem = KSEM_PSHARED; 76 ATF_REQUIRE_EQ(_ksem_init(0, &ksem), 0); 77 ATF_REQUIRE(_ksem_close(ksem) == -1 && errno == EINVAL); 78 ATF_REQUIRE_EQ(_ksem_destroy(ksem), 0); 79} 80 81ATF_TC_WITH_CLEANUP(destroy_on_named); 82ATF_TC_HEAD(destroy_on_named, tc) 83{ 84 atf_tc_set_md_var(tc, "descr", 85 "test for correct error on destroy of named semaphore"); 86} 87ATF_TC_BODY(destroy_on_named, tc) 88{ 89 intptr_t ksem; 90 91 /* Exercise open-unlinked semaphore lifecycle. */ 92 ATF_REQUIRE_EQ(_ksem_open("/ksem_x", O_CREAT | O_EXCL, 0644, 0, &ksem), 93 0); 94 ATF_REQUIRE(_ksem_destroy(ksem) == -1 && errno == EINVAL); 95 ATF_REQUIRE_EQ(_ksem_close(ksem), 0); 96 ATF_REQUIRE_EQ(_ksem_unlink("/ksem_x"), 0); 97} 98ATF_TC_CLEANUP(destroy_on_named, tc) 99{ 100 (void)_ksem_unlink("/ksem_x"); 101} 102 103ATF_TC_WITH_CLEANUP(open_unlinked_lifecycle); 104ATF_TC_HEAD(open_unlinked_lifecycle, tc) 105{ 106 atf_tc_set_md_var(tc, "descr", 107 "Exercises lifecycle of open-unlined semaphores"); 108} 109ATF_TC_BODY(open_unlinked_lifecycle, tc) 110{ 111 intptr_t ksem, ksem1; 112 int val; 113 114 /* Exercise open-unlinked semaphore lifecycle. */ 115 ATF_REQUIRE_EQ(_ksem_open("/ksem_b", O_CREAT | O_EXCL, 0644, 0, &ksem), 116 0); 117 ATF_REQUIRE_EQ(_ksem_unlink("/ksem_b"), 0); 118 val = 255; 119 ATF_REQUIRE(_ksem_getvalue(ksem, &val) == 0 && val == 0); 120 121 ATF_REQUIRE_EQ(_ksem_open("/ksem_b", O_CREAT | O_EXCL, 0644, 1, &ksem1), 122 0); 123 ATF_REQUIRE_EQ(_ksem_unlink("/ksem_b"), 0); 124 val = 255; 125 ATF_REQUIRE(_ksem_getvalue(ksem1, &val) == 0 && val == 1); 126 127 ATF_REQUIRE_EQ(_ksem_close(ksem), 0); 128 ATF_REQUIRE_EQ(_ksem_close(ksem1), 0); 129} 130ATF_TC_CLEANUP(open_unlinked_lifecycle, tc) 131{ 132 (void)_ksem_unlink("/ksem_a"); 133 (void)_ksem_unlink("/ksem_b"); 134} 135 136ATF_TP_ADD_TCS(tp) 137{ 138 139 ATF_TP_ADD_TC(tp, close_on_unnamed); 140 ATF_TP_ADD_TC(tp, close_on_unnamed_pshared); 141 ATF_TP_ADD_TC(tp, destroy_on_named); 142 ATF_TP_ADD_TC(tp, open_unlinked_lifecycle); 143 144 return atf_no_error(); 145} 146