1 /* $NetBSD: t_cpuset.c,v 1.1 2011/11/08 05:47:00 jruoho 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 Jukka Ruohonen. 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_cpuset.c,v 1.1 2011/11/08 05:47:00 jruoho Exp $"); 33 34 #include <atf-c.h> 35 #include <limits.h> 36 #include <stdio.h> 37 #include <sched.h> 38 39 #ifdef __FreeBSD__ 40 #include <sys/cpuset.h> 41 42 #include <stdlib.h> 43 44 #define cpuset_create() calloc(1, sizeof(cpuset_t)) 45 #define cpuset_destroy(cs) free(cs) 46 47 static inline int 48 cpuset_set(size_t i, cpuset_t *cs) 49 { 50 51 if (i > CPU_SETSIZE) 52 return (-1); 53 CPU_SET(i, cs); 54 return (0); 55 } 56 57 static inline int 58 cpuset_clr(size_t i, cpuset_t *cs) 59 { 60 61 if (i > CPU_SETSIZE) 62 return (-1); 63 CPU_CLR(i, cs); 64 return (0); 65 } 66 67 static inline int 68 cpuset_isset(size_t i, cpuset_t *cs) 69 { 70 71 if (i > CPU_SETSIZE) 72 return (-1); 73 return (CPU_ISSET(i, cs)); 74 } 75 76 #define cpuset_size(cs) sizeof(*cs) 77 #endif 78 79 ATF_TC(cpuset_err); 80 ATF_TC_HEAD(cpuset_err, tc) 81 { 82 atf_tc_set_md_var(tc, "descr", "Test errors from cpuset(3)"); 83 } 84 85 ATF_TC_BODY(cpuset_err, tc) 86 { 87 cpuset_t *set; 88 89 set = cpuset_create(); 90 ATF_REQUIRE(set != NULL); 91 92 ATF_CHECK(cpuset_set(-1, set) == -1); 93 ATF_CHECK(cpuset_clr(-1, set) == -1); 94 ATF_CHECK(cpuset_isset(-1, set) == -1); 95 96 ATF_CHECK(cpuset_set(INT_MAX, set) == -1); 97 ATF_CHECK(cpuset_clr(INT_MAX, set) == -1); 98 ATF_CHECK(cpuset_isset(INT_MAX, set) == -1); 99 100 cpuset_destroy(set); 101 } 102 103 ATF_TC(cpuset_set); 104 ATF_TC_HEAD(cpuset_set, tc) 105 { 106 atf_tc_set_md_var(tc, "descr", "Test cpuset_set(3)"); 107 } 108 109 ATF_TC_BODY(cpuset_set, tc) 110 { 111 cpuset_t *set; 112 113 set = cpuset_create(); 114 ATF_REQUIRE(set != NULL); 115 116 ATF_REQUIRE(cpuset_set(0, set) == 0); 117 ATF_REQUIRE(cpuset_isset(0, set) > 0); 118 ATF_REQUIRE(cpuset_clr(0, set) == 0); 119 ATF_REQUIRE(cpuset_isset(0, set) == 0); 120 121 cpuset_destroy(set); 122 } 123 124 ATF_TC(cpuset_size); 125 ATF_TC_HEAD(cpuset_size, tc) 126 { 127 atf_tc_set_md_var(tc, "descr", "Test puset_size(3)"); 128 } 129 130 ATF_TC_BODY(cpuset_size, tc) 131 { 132 cpuset_t *set; 133 size_t size; 134 135 set = cpuset_create(); 136 ATF_REQUIRE(set != NULL); 137 138 size = cpuset_size(set); 139 140 ATF_CHECK(cpuset_set((size * 8) - 1, set) == 0); 141 ATF_CHECK(cpuset_set((size * 8) + 1, set) == -1); 142 143 cpuset_destroy(set); 144 } 145 146 ATF_TP_ADD_TCS(tp) 147 { 148 149 ATF_TP_ADD_TC(tp, cpuset_err); 150 ATF_TP_ADD_TC(tp, cpuset_set); 151 ATF_TP_ADD_TC(tp, cpuset_size); 152 153 return atf_no_error(); 154 } 155