1// Copyright 2018 Tobias Klauser. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package sysconf_cgotest 6 7/* 8#include <gnu/libc-version.h> 9#include <stdlib.h> 10#include <unistd.h> 11*/ 12import "C" 13 14import ( 15 "strconv" 16 "strings" 17 "testing" 18 19 "github.com/tklauser/go-sysconf" 20) 21 22func testSysconfCgoMatch(t *testing.T) { 23 testCases := []testCase{ 24 {sysconf.SC_AIO_LISTIO_MAX, C._SC_AIO_LISTIO_MAX, "AIO_LISTIO_MAX"}, 25 {sysconf.SC_AIO_MAX, C._SC_AIO_MAX, "AIO_MAX"}, 26 {sysconf.SC_AIO_PRIO_DELTA_MAX, C._SC_AIO_PRIO_DELTA_MAX, "AIO_PRIO_DELTA_MAX"}, 27 {sysconf.SC_ARG_MAX, C._SC_ARG_MAX, "ARG_MAX"}, 28 {sysconf.SC_ATEXIT_MAX, C._SC_ATEXIT_MAX, "ATEXIT_MAX"}, 29 {sysconf.SC_BC_BASE_MAX, C._SC_BC_BASE_MAX, "BC_BASE_MAX"}, 30 {sysconf.SC_BC_DIM_MAX, C._SC_BC_DIM_MAX, "BC_DIM_MAX"}, 31 {sysconf.SC_BC_SCALE_MAX, C._SC_BC_SCALE_MAX, "BC_SCALE_MAX"}, 32 {sysconf.SC_BC_STRING_MAX, C._SC_BC_STRING_MAX, "BC_STRING_MAX"}, 33 {sysconf.SC_CHILD_MAX, C._SC_CHILD_MAX, "CHILD_MAX"}, 34 {sysconf.SC_CLK_TCK, C._SC_CLK_TCK, "CLK_TCK"}, 35 {sysconf.SC_COLL_WEIGHTS_MAX, C._SC_COLL_WEIGHTS_MAX, "COLL_WEIGHTS_MAX"}, 36 {sysconf.SC_DELAYTIMER_MAX, C._SC_DELAYTIMER_MAX, "DELAYTIMER_MAX"}, 37 {sysconf.SC_EXPR_NEST_MAX, C._SC_EXPR_NEST_MAX, "EXPR_NEST_MAX"}, 38 {sysconf.SC_GETGR_R_SIZE_MAX, C._SC_GETGR_R_SIZE_MAX, "GETGR_R_SIZE_MAX"}, 39 {sysconf.SC_GETPW_R_SIZE_MAX, C._SC_GETPW_R_SIZE_MAX, "GETPW_R_SIZE_MAX"}, 40 {sysconf.SC_HOST_NAME_MAX, C._SC_HOST_NAME_MAX, "HOST_NAME_MAX"}, 41 {sysconf.SC_IOV_MAX, C._SC_IOV_MAX, "IOV_MAX"}, 42 {sysconf.SC_LINE_MAX, C._SC_LINE_MAX, "LINE_MAX"}, 43 {sysconf.SC_LOGIN_NAME_MAX, C._SC_LOGIN_NAME_MAX, "LOGIN_NAME_MAX"}, 44 {sysconf.SC_MQ_OPEN_MAX, C._SC_MQ_OPEN_MAX, "MQ_OPEN_MAX"}, 45 {sysconf.SC_MQ_PRIO_MAX, C._SC_MQ_PRIO_MAX, "MQ_PRIO_MAX"}, 46 {sysconf.SC_NGROUPS_MAX, C._SC_NGROUPS_MAX, "NGROUPS_MAX"}, 47 {sysconf.SC_OPEN_MAX, C._SC_OPEN_MAX, "OPEN_MAX"}, 48 {sysconf.SC_PAGE_SIZE, C._SC_PAGE_SIZE, "PAGE_SIZE"}, 49 {sysconf.SC_PAGESIZE, C._SC_PAGESIZE, "PAGESIZE"}, 50 {sysconf.SC_THREAD_DESTRUCTOR_ITERATIONS, C._SC_THREAD_DESTRUCTOR_ITERATIONS, "PTHREAD_DESTRUCTOR_ITERATIONS"}, 51 {sysconf.SC_THREAD_KEYS_MAX, C._SC_THREAD_KEYS_MAX, "PTHREAD_KEYS_MAX"}, 52 {sysconf.SC_THREAD_STACK_MIN, C._SC_THREAD_STACK_MIN, "PTHREAD_STACK_MIN"}, 53 {sysconf.SC_THREAD_THREADS_MAX, C._SC_THREAD_THREADS_MAX, "PTHREAD_THREADS_MAX"}, 54 {sysconf.SC_RE_DUP_MAX, C._SC_RE_DUP_MAX, "RE_DUP_MAX"}, 55 {sysconf.SC_RTSIG_MAX, C._SC_RTSIG_MAX, "RTSIG_MAX"}, 56 {sysconf.SC_SEM_NSEMS_MAX, C._SC_SEM_NSEMS_MAX, "SEM_NSEMS_MAX"}, 57 {sysconf.SC_SEM_VALUE_MAX, C._SC_SEM_VALUE_MAX, "SEM_VALUE_MAX"}, 58 {sysconf.SC_SIGQUEUE_MAX, C._SC_SIGQUEUE_MAX, "SIGQUEUE_MAX"}, 59 {sysconf.SC_STREAM_MAX, C._SC_STREAM_MAX, "STREAM_MAX"}, 60 {sysconf.SC_SYMLOOP_MAX, C._SC_SYMLOOP_MAX, "SYMLOOP_MAX"}, 61 {sysconf.SC_TIMER_MAX, C._SC_TIMER_MAX, "TIMER_MAX"}, 62 {sysconf.SC_TTY_NAME_MAX, C._SC_TTY_NAME_MAX, "TTY_NAME_MAX"}, 63 64 {sysconf.SC_ADVISORY_INFO, C._SC_ADVISORY_INFO, "_POSIX_ADVISORY_INFO"}, 65 {sysconf.SC_ASYNCHRONOUS_IO, C._SC_ASYNCHRONOUS_IO, "_POSIX_ASYNCHRONOUS_IO"}, 66 {sysconf.SC_BARRIERS, C._SC_BARRIERS, "_POSIX_BARRIERS"}, 67 {sysconf.SC_CLOCK_SELECTION, C._SC_CLOCK_SELECTION, "_POSIX_CLOCK_SELECTION"}, 68 {sysconf.SC_CPUTIME, C._SC_CPUTIME, "_POSIX_CPUTIME"}, 69 {sysconf.SC_FSYNC, C._SC_FSYNC, "_POSIX_FSYNC"}, 70 {sysconf.SC_IPV6, C._SC_IPV6, "_POSIX_IPV6"}, 71 {sysconf.SC_JOB_CONTROL, C._SC_JOB_CONTROL, "_POSIX_JOB_CONTROL"}, 72 {sysconf.SC_MAPPED_FILES, C._SC_MAPPED_FILES, "_POSIX_MAPPED_FILES"}, 73 {sysconf.SC_MEMLOCK, C._SC_MEMLOCK, "_POSIX_MEMLOCK"}, 74 {sysconf.SC_MEMLOCK_RANGE, C._SC_MEMLOCK_RANGE, "_POSIX_MEMLOCK_RANGE"}, 75 {sysconf.SC_MEMORY_PROTECTION, C._SC_MEMORY_PROTECTION, "_POSIX_MEMORY_PROTECTION"}, 76 {sysconf.SC_MESSAGE_PASSING, C._SC_MESSAGE_PASSING, "_POSIX_MESSAGE_PASSING"}, 77 {sysconf.SC_MONOTONIC_CLOCK, C._SC_MONOTONIC_CLOCK, "_POSIX_MONOTONIC_CLOCK"}, 78 {sysconf.SC_PRIORITIZED_IO, C._SC_PRIORITIZED_IO, "_POSIX_PRIORITIZED_IO"}, 79 {sysconf.SC_PRIORITY_SCHEDULING, C._SC_PRIORITY_SCHEDULING, "_POSIX_PRIORITY_SCHEDULING"}, 80 {sysconf.SC_RAW_SOCKETS, C._SC_RAW_SOCKETS, "_POSIX_RAW_SOCKETS"}, 81 {sysconf.SC_READER_WRITER_LOCKS, C._SC_READER_WRITER_LOCKS, "_POSIX_READER_WRITER_LOCKS"}, 82 {sysconf.SC_REALTIME_SIGNALS, C._SC_REALTIME_SIGNALS, "_POSIX_REALTIME_SIGNALS"}, 83 {sysconf.SC_REGEXP, C._SC_REGEXP, "_POSIX_REGEXP"}, 84 {sysconf.SC_SAVED_IDS, C._SC_SAVED_IDS, "_POSIX_SAVED_IDS"}, 85 {sysconf.SC_SEMAPHORES, C._SC_SEMAPHORES, "_POSIX_SEMAPHORES"}, 86 {sysconf.SC_SHARED_MEMORY_OBJECTS, C._SC_SHARED_MEMORY_OBJECTS, "_POSIX_SHARED_MEMORY_OBJECTS"}, 87 {sysconf.SC_SHELL, C._SC_SHELL, "_POSIX_SHELL"}, 88 {sysconf.SC_SPAWN, C._SC_SPAWN, "_POSIX_SPAWN"}, 89 {sysconf.SC_SPIN_LOCKS, C._SC_SPIN_LOCKS, "_POSIX_SPIN_LOCKS"}, 90 {sysconf.SC_SPORADIC_SERVER, C._SC_SPORADIC_SERVER, "_POSIX_SPORADIC_SERVER"}, 91 {sysconf.SC_SYNCHRONIZED_IO, C._SC_SYNCHRONIZED_IO, "_POSIX_SYNCHRONIZED_IO"}, 92 {sysconf.SC_THREAD_ATTR_STACKADDR, C._SC_THREAD_ATTR_STACKADDR, "_POSIX_THREAD_ATTR_STACKADDR"}, 93 {sysconf.SC_THREAD_ATTR_STACKSIZE, C._SC_THREAD_ATTR_STACKSIZE, "_POSIX_THREAD_ATTR_STACKSIZE"}, 94 {sysconf.SC_THREAD_CPUTIME, C._SC_THREAD_CPUTIME, "_POSIX_THREAD_CPUTIME"}, 95 {sysconf.SC_THREAD_PRIO_INHERIT, C._SC_THREAD_PRIO_INHERIT, "_POSIX_THREAD_PRIO_INHERIT"}, 96 {sysconf.SC_THREAD_PRIO_PROTECT, C._SC_THREAD_PRIO_PROTECT, "_POSIX_THREAD_PRIO_PROTECT"}, 97 {sysconf.SC_THREAD_PRIORITY_SCHEDULING, C._SC_THREAD_PRIORITY_SCHEDULING, "_POSIX_THREAD_PRIORITY_SCHEDULING"}, 98 {sysconf.SC_THREAD_PROCESS_SHARED, C._SC_THREAD_PROCESS_SHARED, "_POSIX_THREAD_PROCESS_SHARED"}, 99 {sysconf.SC_THREAD_SAFE_FUNCTIONS, C._SC_THREAD_SAFE_FUNCTIONS, "_POSIX_THREAD_SAFE_FUNCTIONS"}, 100 {sysconf.SC_THREAD_SPORADIC_SERVER, C._SC_THREAD_SPORADIC_SERVER, "_POSIX_THREAD_SPORADIC_SERVER"}, 101 {sysconf.SC_THREADS, C._SC_THREADS, "_POSIX_THREADS"}, 102 {sysconf.SC_TIMEOUTS, C._SC_TIMEOUTS, "_POSIX_TIMEOUTS"}, 103 {sysconf.SC_TIMERS, C._SC_TIMERS, "_POSIX_TIMERS"}, 104 {sysconf.SC_TRACE, C._SC_TRACE, "_POSIX_TRACE"}, 105 {sysconf.SC_TRACE_EVENT_FILTER, C._SC_TRACE_EVENT_FILTER, "_POSIX_TRACE_EVENT_FILTER"}, 106 {sysconf.SC_TRACE_EVENT_NAME_MAX, C._SC_TRACE_EVENT_NAME_MAX, "_POSIX_TRACE_EVENT_NAME_MAX"}, 107 {sysconf.SC_TRACE_INHERIT, C._SC_TRACE_INHERIT, "_POSIX_TRACE_INHERIT"}, 108 {sysconf.SC_TRACE_LOG, C._SC_TRACE_LOG, "_POSIX_TRACE_LOG"}, 109 {sysconf.SC_TRACE_NAME_MAX, C._SC_TRACE_NAME_MAX, "_POSIX_TRACE_NAME_MAX"}, 110 {sysconf.SC_TRACE_SYS_MAX, C._SC_TRACE_SYS_MAX, "_POSIX_TRACE_SYS_MAX"}, 111 {sysconf.SC_TRACE_USER_EVENT_MAX, C._SC_TRACE_USER_EVENT_MAX, "_POSIX_TRACE_USER_EVENT_MAX"}, 112 {sysconf.SC_TYPED_MEMORY_OBJECTS, C._SC_TYPED_MEMORY_OBJECTS, "_POSIX_TYPED_MEMORY_OBJECTS"}, 113 {sysconf.SC_VERSION, C._SC_VERSION, "_POSIX_VERSION"}, 114 115 {sysconf.SC_V7_ILP32_OFF32, C._SC_V7_ILP32_OFF32, "_POSIX_V7_ILP32_OFF32"}, 116 {sysconf.SC_V7_ILP32_OFFBIG, C._SC_V7_ILP32_OFFBIG, "_POSIX_V7_ILP32_OFFBIG"}, 117 {sysconf.SC_V7_LP64_OFF64, C._SC_V7_LP64_OFF64, "_POSIX_V7_LP64_OFF64"}, 118 {sysconf.SC_V7_LPBIG_OFFBIG, C._SC_V7_LPBIG_OFFBIG, "_POSIX_V7_LPBIG_OFFBIG"}, 119 120 {sysconf.SC_V6_ILP32_OFF32, C._SC_V6_ILP32_OFF32, "_POSIX_V6_ILP32_OFF32"}, 121 {sysconf.SC_V6_ILP32_OFFBIG, C._SC_V6_ILP32_OFFBIG, "_POSIX_V6_ILP32_OFFBIG"}, 122 {sysconf.SC_V6_LP64_OFF64, C._SC_V6_LP64_OFF64, "_POSIX_V6_LP64_OFF64"}, 123 {sysconf.SC_V6_LPBIG_OFFBIG, C._SC_V6_LPBIG_OFFBIG, "_POSIX_V6_LPBIG_OFFBIG"}, 124 125 {sysconf.SC_2_C_BIND, C._SC_2_C_BIND, "_POSIX2_C_BIND"}, 126 {sysconf.SC_2_C_DEV, C._SC_2_C_DEV, "_POSIX2_C_DEV"}, 127 // glibc version < 2.22 does not define _POSIX2_C_VERSION 128 // despite supporting the standard, see glibc bug BZ 438. Test it 129 // in testPosix2CVersion below. 130 // {sysconf.SC_2_C_VERSION, C._SC_2_C_VERSION, "_POSIX2_C_VERSION"}, 131 {sysconf.SC_2_CHAR_TERM, C._SC_2_CHAR_TERM, "_POSIX2_CHAR_TERM"}, 132 {sysconf.SC_2_FORT_DEV, C._SC_2_FORT_DEV, "_POSIX2_FORT_DEV"}, 133 {sysconf.SC_2_FORT_RUN, C._SC_2_FORT_RUN, "_POSIX2_FORT_RUN"}, 134 {sysconf.SC_2_LOCALEDEF, C._SC_2_LOCALEDEF, "_POSIX2_LOCALEDEF"}, 135 {sysconf.SC_2_PBS, C._SC_2_PBS, "_POSIX2_PBS"}, 136 {sysconf.SC_2_PBS_ACCOUNTING, C._SC_2_PBS_ACCOUNTING, "_POSIX2_PBS_ACCOUNTING"}, 137 {sysconf.SC_2_PBS_CHECKPOINT, C._SC_2_PBS_CHECKPOINT, "_POSIX2_PBS_CHECKPOINT"}, 138 {sysconf.SC_2_PBS_LOCATE, C._SC_2_PBS_LOCATE, "_POSIX2_PBS_LOCATE"}, 139 {sysconf.SC_2_PBS_MESSAGE, C._SC_2_PBS_MESSAGE, "_POSIX2_PBS_MESSAGE"}, 140 {sysconf.SC_2_PBS_TRACK, C._SC_2_PBS_TRACK, "_POSIX2_PBS_TRACK"}, 141 {sysconf.SC_2_SW_DEV, C._SC_2_SW_DEV, "_POSIX2_SW_DEV"}, 142 {sysconf.SC_2_UPE, C._SC_2_UPE, "_POSIX2_UPE"}, 143 {sysconf.SC_2_VERSION, C._SC_2_VERSION, "_POSIX2_VERSION"}, 144 145 // _XOPEN_CRYPT was removed in glibc 2.28, don't test it 146 {sysconf.SC_XOPEN_ENH_I18N, C._SC_XOPEN_ENH_I18N, "_XOPEN_ENH_I18N"}, 147 {sysconf.SC_XOPEN_REALTIME, C._SC_XOPEN_REALTIME, "_XOPEN_REALTIME"}, 148 {sysconf.SC_XOPEN_REALTIME_THREADS, C._SC_XOPEN_REALTIME_THREADS, "_XOPEN_REALTIME_THREADS"}, 149 {sysconf.SC_XOPEN_SHM, C._SC_XOPEN_SHM, "_XOPEN_SHM"}, 150 {sysconf.SC_XOPEN_STREAMS, C._SC_XOPEN_STREAMS, "_XOPEN_STREAMS"}, 151 {sysconf.SC_XOPEN_UNIX, C._SC_XOPEN_UNIX, "_XOPEN_UNIX"}, 152 {sysconf.SC_XOPEN_VERSION, C._SC_XOPEN_VERSION, "_XOPEN_VERSION"}, 153 {sysconf.SC_XOPEN_XCU_VERSION, C._SC_XOPEN_XCU_VERSION, "_XOPEN_XCU_VERSION"}, 154 155 // non-standard 156 {sysconf.SC_PHYS_PAGES, C._SC_PHYS_PAGES, "_PHYS_PAGES"}, 157 // AV_PHYS_PAGES might change between calling Go and C version 158 // of sysconf. Don't test it for now. 159 {sysconf.SC_NPROCESSORS_CONF, C._SC_NPROCESSORS_CONF, "_NPROCESSORS_CONF"}, 160 {sysconf.SC_NPROCESSORS_ONLN, C._SC_NPROCESSORS_ONLN, "_NPROCESSORS_ONLN"}, 161 {sysconf.SC_UIO_MAXIOV, C._SC_UIO_MAXIOV, "UIO_MAXIOV"}, 162 } 163 for _, tc := range testCases { 164 testSysconfGoCgo(t, tc) 165 } 166 167 // These _SC_* are defined but no longer supported by sysconf(3) 168 testCasesInvalid := []testCase{ 169 {sysconf.SC_SS_REPL_MAX, C._SC_SS_REPL_MAX, "_POSIX_SS_REPL_MAX"}, 170 {sysconf.SC_THREAD_ROBUST_PRIO_INHERIT, C._SC_THREAD_ROBUST_PRIO_INHERIT, "_POSIX_THREAD_ROBUST_PRIO_INHERIT"}, 171 {sysconf.SC_THREAD_ROBUST_PRIO_PROTECT, C._SC_THREAD_ROBUST_PRIO_PROTECT, "_POSIX_THREAD_ROBUST_PRIO_PROTECT"}, 172 } 173 for _, tc := range testCasesInvalid { 174 testSysconfGoCgoInvalid(t, tc) 175 } 176 177 testGlibcVersionDeps(t) 178} 179 180func testGlibcVersionDeps(t *testing.T) { 181 glibcVer := C.GoString(C.gnu_get_libc_version()) 182 majMin := strings.Split(glibcVer, ".") 183 if len(majMin) < 2 { 184 t.Fatalf("unexpected glibc version: %v\n", glibcVer) 185 } 186 t.Logf("glibc version: %v\n", glibcVer) 187 188 maj, _ := strconv.Atoi(majMin[0]) 189 min, _ := strconv.Atoi(majMin[1]) 190 191 // _POSIX2_C_VERSION was fixed in glibc 2.22, see glibc commit 192 // 4e5f9259f352 ("Restore _POSIX2_C_VERSION definition (bug 438).") 193 if maj == 2 && min >= 22 { 194 cVersion := testCase{sysconf.SC_2_C_VERSION, C._SC_2_C_VERSION, "_POSIX2_C_VERSION"} 195 testSysconfGoCgo(t, cVersion) 196 } else { 197 t.Skipf("skipping _POSIX2_C_VERSION test on glibc %d.%d (< 2.22)", maj, min) 198 } 199 200 // _TZNAME_MAX was changed in glibc 2.26, see glibc commit 201 // 8492c4dd699e ("timezone: Remove TZNAME_MAX limit from sysconf [BZ #15576]") 202 if maj == 2 && min >= 26 { 203 tzname := testCase{sysconf.SC_TZNAME_MAX, C._SC_TZNAME_MAX, "TZNAME_MAX"} 204 testSysconfGoCgo(t, tzname) 205 } else { 206 t.Skipf("skipping _TZNAME_MAX test on glibc %d.%d (< 2.26)", maj, min) 207 } 208} 209