diff options
Diffstat (limited to 'sysdeps/posix/sysconf.c')
| -rw-r--r-- | sysdeps/posix/sysconf.c | 1227 |
1 files changed, 0 insertions, 1227 deletions
diff --git a/sysdeps/posix/sysconf.c b/sysdeps/posix/sysconf.c deleted file mode 100644 index a95e1b3f05..0000000000 --- a/sysdeps/posix/sysconf.c +++ /dev/null @@ -1,1227 +0,0 @@ -/* Copyright (C) 1991-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <limits.h> -#include <grp.h> -#include <pwd.h> -#include <stddef.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> -#include <sys/param.h> -#include <sys/stat.h> -#include <sys/sysinfo.h> -#include <sys/types.h> -#include <regex.h> - -#define NEED_SPEC_ARRAY 0 -#include <posix-conf-vars.h> - -#define NEED_CHECK_SPEC \ - (!defined _XBS5_ILP32_OFF32 || !defined _XBS5_ILP32_OFFBIG \ - || !defined _XBS5_LP64_OFF64 || !defined _XBS5_LPBIG_OFFBIG \ - || !defined _POSIX_V6_ILP32_OFF32 || !defined _POSIX_V6_ILP32_OFFBIG \ - || !defined _POSIX_V6_LP64_OFF64 || !defined _POSIX_V6_LPBIG_OFFBIG \ - || !defined _POSIX_V7_ILP32_OFF32 || !defined _POSIX_V7_ILP32_OFFBIG \ - || !defined _POSIX_V7_LP64_OFF64 || !defined _POSIX_V7_LPBIG_OFFBIG) -#if NEED_CHECK_SPEC -static long int __sysconf_check_spec (const char *spec); -#endif - - -/* Get the value of the system variable NAME. */ -long int -__sysconf (int name) -{ - switch (name) - { - /* Also add obsolete or unnecessarily added constants here. */ - case _SC_EQUIV_CLASS_MAX: - default: - __set_errno (EINVAL); - return -1; - - case _SC_ARG_MAX: -#ifdef ARG_MAX - return ARG_MAX; -#else - return -1; -#endif - - case _SC_CHILD_MAX: -#ifdef CHILD_MAX - return CHILD_MAX; -#else - return __get_child_max (); -#endif - - case _SC_CLK_TCK: - return __getclktck (); - - case _SC_NGROUPS_MAX: -#ifdef NGROUPS_MAX - return NGROUPS_MAX; -#else - return -1; -#endif - - case _SC_OPEN_MAX: - return __getdtablesize (); - - case _SC_STREAM_MAX: -#ifdef STREAM_MAX - return STREAM_MAX; -#else - return FOPEN_MAX; -#endif - - case _SC_TZNAME_MAX: - return -1; - - case _SC_JOB_CONTROL: -#if CONF_IS_DEFINED_SET (_POSIX_JOB_CONTROL) - return _POSIX_JOB_CONTROL; -#else - return -1; -#endif - - case _SC_SAVED_IDS: -#if CONF_IS_DEFINED_SET (_POSIX_SAVED_IDS) - return 1; -#else - return -1; -#endif - - case _SC_REALTIME_SIGNALS: -#if CONF_IS_DEFINED_SET (_POSIX_REALTIME_SIGNALS) - return _POSIX_REALTIME_SIGNALS; -#else - return -1; -#endif - - case _SC_PRIORITY_SCHEDULING: -#if CONF_IS_DEFINED_SET (_POSIX_PRIORITY_SCHEDULING) - return _POSIX_PRIORITY_SCHEDULING; -#else - return -1; -#endif - - case _SC_TIMERS: -#if CONF_IS_DEFINED_SET (_POSIX_TIMERS) - return _POSIX_TIMERS; -#else - return -1; -#endif - - case _SC_ASYNCHRONOUS_IO: -#if CONF_IS_DEFINED_SET (_POSIX_ASYNCHRONOUS_IO) - return _POSIX_ASYNCHRONOUS_IO; -#else - return -1; -#endif - - case _SC_PRIORITIZED_IO: -#if CONF_IS_DEFINED_SET (_POSIX_PRIORITIZED_IO) - return _POSIX_PRIORITIZED_IO; -#else - return -1; -#endif - - case _SC_SYNCHRONIZED_IO: -#if CONF_IS_DEFINED_SET (_POSIX_SYNCHRONIZED_IO) - return _POSIX_SYNCHRONIZED_IO; -#else - return -1; -#endif - - case _SC_FSYNC: -#if CONF_IS_DEFINED_SET (_POSIX_FSYNC) - return _POSIX_FSYNC; -#else - return -1; -#endif - - case _SC_MAPPED_FILES: -#if CONF_IS_DEFINED_SET (_POSIX_MAPPED_FILES) - return _POSIX_MAPPED_FILES; -#else - return -1; -#endif - - case _SC_MEMLOCK: -#if CONF_IS_DEFINED_SET (_POSIX_MEMLOCK) - return _POSIX_MEMLOCK; -#else - return -1; -#endif - - case _SC_MEMLOCK_RANGE: -#if CONF_IS_DEFINED_SET (_POSIX_MEMLOCK_RANGE) - return _POSIX_MEMLOCK_RANGE; -#else - return -1; -#endif - - case _SC_MEMORY_PROTECTION: -#if CONF_IS_DEFINED_SET (_POSIX_MEMORY_PROTECTION) - return _POSIX_MEMORY_PROTECTION; -#else - return -1; -#endif - - case _SC_MESSAGE_PASSING: -#if CONF_IS_DEFINED_SET (_POSIX_MESSAGE_PASSING) - return _POSIX_MESSAGE_PASSING; -#else - return -1; -#endif - - case _SC_SEMAPHORES: -#if CONF_IS_DEFINED_SET (_POSIX_SEMAPHORES) - return _POSIX_SEMAPHORES; -#else - return -1; -#endif - - case _SC_SHARED_MEMORY_OBJECTS: -#if CONF_IS_DEFINED_SET (_POSIX_SHARED_MEMORY_OBJECTS) - return _POSIX_SHARED_MEMORY_OBJECTS; -#else - return -1; -#endif - - case _SC_VERSION: - return _POSIX_VERSION; - - case _SC_PAGESIZE: - return __getpagesize (); - - case _SC_AIO_LISTIO_MAX: -#ifdef AIO_LISTIO_MAX - return AIO_LISTIO_MAX; -#else - return -1; -#endif - - case _SC_AIO_MAX: -#ifdef AIO_MAX - return AIO_MAX; -#else - return -1; -#endif - - case _SC_AIO_PRIO_DELTA_MAX: -#ifdef AIO_PRIO_DELTA_MAX - return AIO_PRIO_DELTA_MAX; -#else - return -1; -#endif - - case _SC_DELAYTIMER_MAX: -#ifdef DELAYTIMER_MAX - return DELAYTIMER_MAX; -#else - return -1; -#endif - - case _SC_MQ_OPEN_MAX: -#ifdef MQ_OPEN_MAX - return MQ_OPEN_MAX; -#else - return -1; -#endif - - case _SC_MQ_PRIO_MAX: -#ifdef MQ_PRIO_MAX - return MQ_PRIO_MAX; -#else - return -1; -#endif - - case _SC_RTSIG_MAX: -#ifdef RTSIG_MAX - return RTSIG_MAX; -#else - return -1; -#endif - - case _SC_SEM_NSEMS_MAX: -#ifdef SEM_NSEMS_MAX - return SEM_NSEMS_MAX; -#else - return -1; -#endif - - case _SC_SEM_VALUE_MAX: -#ifdef SEM_VALUE_MAX - return SEM_VALUE_MAX; -#else - return -1; -#endif - - case _SC_SIGQUEUE_MAX: -#ifdef SIGQUEUE_MAX - return SIGQUEUE_MAX; -#else - return -1; -#endif - - case _SC_TIMER_MAX: -#ifdef TIMER_MAX - return TIMER_MAX; -#else - return -1; -#endif - - case _SC_BC_BASE_MAX: -#ifdef BC_BASE_MAX - return BC_BASE_MAX; -#else - return -1; -#endif - - case _SC_BC_DIM_MAX: -#ifdef BC_DIM_MAX - return BC_DIM_MAX; -#else - return -1; -#endif - - case _SC_BC_SCALE_MAX: -#ifdef BC_SCALE_MAX - return BC_SCALE_MAX; -#else - return -1; -#endif - - case _SC_BC_STRING_MAX: -#ifdef BC_STRING_MAX - return BC_STRING_MAX; -#else - return -1; -#endif - - case _SC_COLL_WEIGHTS_MAX: -#ifdef COLL_WEIGHTS_MAX - return COLL_WEIGHTS_MAX; -#else - return -1; -#endif - - case _SC_EXPR_NEST_MAX: -#ifdef EXPR_NEST_MAX - return EXPR_NEST_MAX; -#else - return -1; -#endif - - case _SC_LINE_MAX: -#ifdef LINE_MAX - return LINE_MAX; -#else - return -1; -#endif - - case _SC_RE_DUP_MAX: -#ifdef RE_DUP_MAX - return RE_DUP_MAX; -#else - return -1; -#endif - - case _SC_CHARCLASS_NAME_MAX: -#ifdef CHARCLASS_NAME_MAX - return CHARCLASS_NAME_MAX; -#else - return -1; -#endif - - case _SC_PII: -#if CONF_IS_DEFINED_SET (_POSIX_PII) - return 1; -#else - return -1; -#endif - - case _SC_PII_XTI: -#if CONF_IS_DEFINED_SET (_POSIX_PII_XTI) - return 1; -#else - return -1; -#endif - - case _SC_PII_SOCKET: -#if CONF_IS_DEFINED_SET (_POSIX_PII_SOCKET) - return 1; -#else - return -1; -#endif - - case _SC_PII_INTERNET: -#if CONF_IS_DEFINED_SET (_POSIX_PII_INTERNET) - return 1; -#else - return -1; -#endif - - case _SC_PII_OSI: -#if CONF_IS_DEFINED_SET (_POSIX_PII_OSI) - return 1; -#else - return -1; -#endif - - case _SC_POLL: -#if CONF_IS_DEFINED_SET (_POSIX_POLL) - return 1; -#else - return -1; -#endif - - case _SC_SELECT: -#if CONF_IS_DEFINED_SET (_POSIX_SELECT) - return 1; -#else - return -1; -#endif - - /* The same as _SC_IOV_MAX. */ - case _SC_UIO_MAXIOV: -#ifdef UIO_MAXIOV - return UIO_MAXIOV; -#else - return -1; -#endif - - case _SC_PII_INTERNET_STREAM: -#if CONF_IS_DEFINED_SET (_POSIX_PII_INTERNET_STREAM) - return 1; -#else - return -1; -#endif - - case _SC_PII_INTERNET_DGRAM: -#if CONF_IS_DEFINED_SET (_POSIX_PII_INTERNET_DGRAM) - return 1; -#else - return -1; -#endif - - case _SC_PII_OSI_COTS: -#if CONF_IS_DEFINED_SET (_POSIX_PII_OSI_COTS) - return 1; -#else - return -1; -#endif - - case _SC_PII_OSI_CLTS: -#if CONF_IS_DEFINED_SET (_POSIX_PII_OSI_CLTS) - return 1; -#else - return -1; -#endif - - case _SC_PII_OSI_M: -#if CONF_IS_DEFINED_SET (_POSIX_PII_OSI_M) - return 1; -#else - return -1; -#endif - - case _SC_T_IOV_MAX: -#ifdef _T_IOV_MAX - return _T_IOV_MAX; -#else - return -1; -#endif - - case _SC_2_VERSION: - return _POSIX2_VERSION; - - case _SC_2_C_BIND: -#ifdef _POSIX2_C_BIND - return _POSIX2_C_BIND; -#else - return -1; -#endif - - case _SC_2_C_DEV: -#ifdef _POSIX2_C_DEV - return _POSIX2_C_DEV; -#else - return -1; -#endif - - case _SC_2_C_VERSION: -#ifdef _POSIX2_C_VERSION - return _POSIX2_C_VERSION; -#else - return -1; -#endif - - case _SC_2_FORT_DEV: -#ifdef _POSIX2_FORT_DEV - return _POSIX2_FORT_DEV; -#else - return -1; -#endif - - case _SC_2_FORT_RUN: -#ifdef _POSIX2_FORT_RUN - return _POSIX2_FORT_RUN; -#else - return -1; -#endif - - case _SC_2_LOCALEDEF: -#ifdef _POSIX2_LOCALEDEF - return _POSIX2_LOCALEDEF; -#else - return -1; -#endif - - case _SC_2_SW_DEV: -#ifdef _POSIX2_SW_DEV - return _POSIX2_SW_DEV; -#else - return -1; -#endif - - case _SC_2_CHAR_TERM: -#ifdef _POSIX2_CHAR_TERM - return _POSIX2_CHAR_TERM; -#else - return -1; -#endif - - case _SC_2_UPE: -#ifdef _POSIX2_UPE - return _POSIX2_UPE; -#else - return -1; -#endif - - /* POSIX 1003.1c (POSIX Threads). */ - case _SC_THREADS: -#if CONF_IS_DEFINED_SET (_POSIX_THREADS) - return _POSIX_THREADS; -#else - return -1; -#endif - - case _SC_THREAD_SAFE_FUNCTIONS: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_SAFE_FUNCTIONS) - return _POSIX_THREAD_SAFE_FUNCTIONS; -#else - return -1; -#endif - - case _SC_GETGR_R_SIZE_MAX: - return NSS_BUFLEN_GROUP; - - case _SC_GETPW_R_SIZE_MAX: - return NSS_BUFLEN_PASSWD; - - case _SC_LOGIN_NAME_MAX: -#ifdef LOGIN_NAME_MAX - return LOGIN_NAME_MAX; -#else - return -1; -#endif - - case _SC_TTY_NAME_MAX: -#ifdef TTY_NAME_MAX - return TTY_NAME_MAX; -#else - return -1; -#endif - - case _SC_THREAD_DESTRUCTOR_ITERATIONS: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_DESTRUCTOR_ITERATIONS) - return _POSIX_THREAD_DESTRUCTOR_ITERATIONS; -#else - return -1; -#endif - - case _SC_THREAD_KEYS_MAX: -#ifdef PTHREAD_KEYS_MAX - return PTHREAD_KEYS_MAX; -#else - return -1; -#endif - - case _SC_THREAD_STACK_MIN: -#ifdef PTHREAD_STACK_MIN - return PTHREAD_STACK_MIN; -#else - return -1; -#endif - - case _SC_THREAD_THREADS_MAX: -#ifdef PTHREAD_THREADS_MAX - return PTHREAD_THREADS_MAX; -#else - return -1; -#endif - - case _SC_THREAD_ATTR_STACKADDR: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_ATTR_STACKADDR) - return _POSIX_THREAD_ATTR_STACKADDR; -#else - return -1; -#endif - - case _SC_THREAD_ATTR_STACKSIZE: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_ATTR_STACKSIZE) - return _POSIX_THREAD_ATTR_STACKSIZE; -#else - return -1; -#endif - - case _SC_THREAD_PRIORITY_SCHEDULING: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_PRIORITY_SCHEDULING) - return _POSIX_THREAD_PRIORITY_SCHEDULING; -#else - return -1; -#endif - - case _SC_THREAD_PRIO_INHERIT: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_PRIO_INHERIT) - return _POSIX_THREAD_PRIO_INHERIT; -#else - return -1; -#endif - - case _SC_THREAD_PRIO_PROTECT: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_PRIO_PROTECT) - return _POSIX_THREAD_PRIO_PROTECT; -#else - return -1; -#endif - - case _SC_THREAD_PROCESS_SHARED: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_PROCESS_SHARED) - return _POSIX_THREAD_PROCESS_SHARED; -#else - return -1; -#endif - - case _SC_NPROCESSORS_CONF: - return __get_nprocs_conf (); - - case _SC_NPROCESSORS_ONLN: - return __get_nprocs (); - - case _SC_PHYS_PAGES: - return __get_phys_pages (); - - case _SC_AVPHYS_PAGES: - return __get_avphys_pages (); - - case _SC_ATEXIT_MAX: - /* We have no limit since we use lists. */ - return INT_MAX; - - case _SC_PASS_MAX: - /* We have no limit but since the return value might be used to - allocate a buffer we restrict the value. */ - return BUFSIZ; - - case _SC_XOPEN_VERSION: - return _XOPEN_VERSION; - - case _SC_XOPEN_XCU_VERSION: - return _XOPEN_XCU_VERSION; - - case _SC_XOPEN_UNIX: - return _XOPEN_UNIX; - - case _SC_XOPEN_CRYPT: -#ifdef _XOPEN_CRYPT - return _XOPEN_CRYPT; -#else - return -1; -#endif - - case _SC_XOPEN_ENH_I18N: -#ifdef _XOPEN_ENH_I18N - return _XOPEN_ENH_I18N; -#else - return -1; -#endif - - case _SC_XOPEN_SHM: -#ifdef _XOPEN_SHM - return _XOPEN_SHM; -#else - return -1; -#endif - - case _SC_XOPEN_XPG2: -#ifdef _XOPEN_XPG2 - return _XOPEN_XPG2; -#else - return -1; -#endif - - case _SC_XOPEN_XPG3: -#ifdef _XOPEN_XPG3 - return _XOPEN_XPG3; -#else - return -1; -#endif - - case _SC_XOPEN_XPG4: -#ifdef _XOPEN_XPG4 - return _XOPEN_XPG4; -#else - return -1; -#endif - - case _SC_CHAR_BIT: - return CHAR_BIT; - - case _SC_CHAR_MAX: - return CHAR_MAX; - - case _SC_CHAR_MIN: - return CHAR_MIN; - - case _SC_INT_MAX: - return INT_MAX; - - case _SC_INT_MIN: - return INT_MIN; - - case _SC_LONG_BIT: - return sizeof (long int) * CHAR_BIT; - - case _SC_WORD_BIT: - return sizeof (int) * CHAR_BIT; - - case _SC_MB_LEN_MAX: - return MB_LEN_MAX; - - case _SC_NZERO: - return NZERO; - - case _SC_SSIZE_MAX: - return _POSIX_SSIZE_MAX; - - case _SC_SCHAR_MAX: - return SCHAR_MAX; - - case _SC_SCHAR_MIN: - return SCHAR_MIN; - - case _SC_SHRT_MAX: - return SHRT_MAX; - - case _SC_SHRT_MIN: - return SHRT_MIN; - - case _SC_UCHAR_MAX: - return UCHAR_MAX; - - case _SC_UINT_MAX: - return UINT_MAX; - - case _SC_ULONG_MAX: - return ULONG_MAX; - - case _SC_USHRT_MAX: - return USHRT_MAX; - - case _SC_NL_ARGMAX: -#ifdef NL_ARGMAX - return NL_ARGMAX; -#else - return -1; -#endif - - case _SC_NL_LANGMAX: -#ifdef NL_LANGMAX - return NL_LANGMAX; -#else - return -1; -#endif - - case _SC_NL_MSGMAX: -#ifdef NL_MSGMAX - return NL_MSGMAX; -#else - return -1; -#endif - - case _SC_NL_NMAX: -#ifdef NL_NMAX - return NL_NMAX; -#else - return -1; -#endif - - case _SC_NL_SETMAX: -#ifdef NL_SETMAX - return NL_SETMAX; -#else - return -1; -#endif - - case _SC_NL_TEXTMAX: -#ifdef NL_TEXTMAX - return NL_TEXTMAX; -#else - return -1; -#endif - -#define START_ENV_GROUP(VERSION) \ - /* Empty. */ - -#define END_ENV_GROUP(VERSION) \ - /* Empty. */ - -#define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ - case _SC_##SC_PREFIX##_##SUFFIX: \ - return _##ENV_PREFIX##_##SUFFIX; - -#define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ - case _SC_##SC_PREFIX##_##SUFFIX: \ - return _##ENV_PREFIX##_##SUFFIX; - -#define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ - case _SC_##SC_PREFIX##_##SUFFIX: \ - return __sysconf_check_spec (#SUFFIX); - -#include <posix/posix-envs.def> - -#undef START_ENV_GROUP -#undef END_ENV_GROUP -#undef KNOWN_ABSENT_ENVIRONMENT -#undef KNOWN_PRESENT_ENVIRONMENT -#undef UNKNOWN_ENVIRONMENT - - case _SC_XOPEN_LEGACY: - return _XOPEN_LEGACY; - - case _SC_XOPEN_REALTIME: -#ifdef _XOPEN_REALTIME - return _XOPEN_REALTIME; -#else - return -1; -#endif - case _SC_XOPEN_REALTIME_THREADS: -#ifdef _XOPEN_REALTIME_THREADS - return _XOPEN_REALTIME_THREADS; -#else - return -1; -#endif - - case _SC_ADVISORY_INFO: -#if CONF_IS_DEFINED_SET (_POSIX_ADVISORY_INFO) - return _POSIX_ADVISORY_INFO; -#else - return -1; -#endif - - case _SC_BARRIERS: -#if CONF_IS_DEFINED_SET (_POSIX_BARRIERS) - return _POSIX_BARRIERS; -#else - return -1; -#endif - - case _SC_BASE: -#if CONF_IS_DEFINED_SET (_POSIX_BASE) - return _POSIX_BASE; -#else - return -1; -#endif - case _SC_C_LANG_SUPPORT: -#if CONF_IS_DEFINED_SET (_POSIX_C_LANG_SUPPORT) - return _POSIX_C_LANG_SUPPORT; -#else - return -1; -#endif - case _SC_C_LANG_SUPPORT_R: -#if CONF_IS_DEFINED_SET (_POSIX_C_LANG_SUPPORT_R) - return _POSIX_C_LANG_SUPPORT_R; -#else - return -1; -#endif - - case _SC_CLOCK_SELECTION: -#if CONF_IS_DEFINED_SET (_POSIX_CLOCK_SELECTION) - return _POSIX_CLOCK_SELECTION; -#else - return -1; -#endif - - case _SC_CPUTIME: -#if CONF_IS_DEFINED_SET (_POSIX_CPUTIME) - return _POSIX_CPUTIME; -#else - return -1; -#endif - - case _SC_DEVICE_IO: -#if CONF_IS_DEFINED_SET (_POSIX_DEVICE_IO) - return _POSIX_DEVICE_IO; -#else - return -1; -#endif - case _SC_DEVICE_SPECIFIC: -#if CONF_IS_DEFINED_SET (_POSIX_DEVICE_SPECIFIC) - return _POSIX_DEVICE_SPECIFIC; -#else - return -1; -#endif - case _SC_DEVICE_SPECIFIC_R: -#if CONF_IS_DEFINED_SET (_POSIX_DEVICE_SPECIFIC_R) - return _POSIX_DEVICE_SPECIFIC_R; -#else - return -1; -#endif - - case _SC_FD_MGMT: -#if CONF_IS_DEFINED_SET (_POSIX_FD_MGMT) - return _POSIX_FD_MGMT; -#else - return -1; -#endif - - case _SC_FIFO: -#if CONF_IS_DEFINED_SET (_POSIX_FIFO) - return _POSIX_FIFO; -#else - return -1; -#endif - case _SC_PIPE: -#if CONF_IS_DEFINED_SET (_POSIX_PIPE) - return _POSIX_PIPE; -#else - return -1; -#endif - - case _SC_FILE_ATTRIBUTES: -#if CONF_IS_DEFINED_SET (_POSIX_FILE_ATTRIBUTES) - return _POSIX_FILE_ATTRIBUTES; -#else - return -1; -#endif - case _SC_FILE_LOCKING: -#if CONF_IS_DEFINED_SET (_POSIX_FILE_LOCKING) - return _POSIX_FILE_LOCKING; -#else - return -1; -#endif - case _SC_FILE_SYSTEM: -#if CONF_IS_DEFINED_SET (_POSIX_FILE_SYSTEM) - return _POSIX_FILE_SYSTEM; -#else - return -1; -#endif - - case _SC_MONOTONIC_CLOCK: -#if CONF_IS_DEFINED_SET (_POSIX_MONOTONIC_CLOCK) - return _POSIX_MONOTONIC_CLOCK; -#else - return -1; -#endif - - case _SC_MULTI_PROCESS: -#if CONF_IS_DEFINED_SET (_POSIX_MULTI_PROCESS) - return _POSIX_MULTI_PROCESS; -#else - return -1; -#endif - case _SC_SINGLE_PROCESS: -#if CONF_IS_DEFINED_SET (_POSIX_SINGLE_PROCESS) - return _POSIX_SINGLE_PROCESS; -#else - return -1; -#endif - - case _SC_NETWORKING: -#if CONF_IS_DEFINED_SET (_POSIX_NETWORKING) - return _POSIX_NETWORKING; -#else - return -1; -#endif - - case _SC_READER_WRITER_LOCKS: -#if CONF_IS_DEFINED_SET (_POSIX_READER_WRITER_LOCKS) - return _POSIX_READER_WRITER_LOCKS; -#else - return -1; -#endif - case _SC_SPIN_LOCKS: -#if CONF_IS_DEFINED_SET (_POSIX_SPIN_LOCKS) - return _POSIX_SPIN_LOCKS; -#else - return -1; -#endif - - case _SC_REGEXP: -#if CONF_IS_DEFINED_SET (_POSIX_REGEXP) - return _POSIX_REGEXP; -#else - return -1; -#endif - /* _REGEX_VERSION has been removed with IEEE Std 1003.1-2001/Cor 2-2004, - item XSH/TC2/D6/137. */ - case _SC_REGEX_VERSION: - return -1; - - case _SC_SHELL: -#if CONF_IS_DEFINED_SET (_POSIX_SHELL) - return _POSIX_SHELL; -#else - return -1; -#endif - - case _SC_SIGNALS: -#if CONF_IS_DEFINED (_POSIX_SIGNALS) - return _POSIX_SIGNALS; -#else - return -1; -#endif - - case _SC_SPAWN: -#if CONF_IS_DEFINED_SET (_POSIX_SPAWN) - return _POSIX_SPAWN; -#else - return -1; -#endif - - case _SC_SPORADIC_SERVER: -#if CONF_IS_DEFINED_SET (_POSIX_SPORADIC_SERVER) - return _POSIX_SPORADIC_SERVER; -#else - return -1; -#endif - case _SC_THREAD_SPORADIC_SERVER: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_SPORADIC_SERVER) - return _POSIX_THREAD_SPORADIC_SERVER; -#else - return -1; -#endif - - case _SC_SYSTEM_DATABASE: -#if CONF_IS_DEFINED_SET (_POSIX_SYSTEM_DATABASE) - return _POSIX_SYSTEM_DATABASE; -#else - return -1; -#endif - case _SC_SYSTEM_DATABASE_R: -#if CONF_IS_DEFINED_SET (_POSIX_SYSTEM_DATABASE_R) - return _POSIX_SYSTEM_DATABASE_R; -#else - return -1; -#endif - - case _SC_THREAD_CPUTIME: -#if CONF_IS_DEFINED_SET (_POSIX_THREAD_CPUTIME) - return _POSIX_THREAD_CPUTIME; -#else - return -1; -#endif - - case _SC_TIMEOUTS: -#if CONF_IS_DEFINED_SET (_POSIX_TIMEOUTS) - return _POSIX_TIMEOUTS; -#else - return -1; -#endif - - case _SC_TYPED_MEMORY_OBJECTS: -#if CONF_IS_DEFINED_SET (_POSIX_TYPED_MEMORY_OBJECTS) - return _POSIX_TYPED_MEMORY_OBJECTS; -#else - return -1; -#endif - - case _SC_USER_GROUPS: -#if CONF_IS_DEFINED_SET (_POSIX_USER_GROUPS) - return _POSIX_USER_GROUPS; -#else - return -1; -#endif - case _SC_USER_GROUPS_R: -#if CONF_IS_DEFINED_SET (_POSIX_USER_GROUPS_R) - return _POSIX_USER_GROUPS_R; -#else - return -1; -#endif - - case _SC_2_PBS: -#ifdef _POSIX2_PBS - return _POSIX2_PBS; -#else - return -1; -#endif - case _SC_2_PBS_ACCOUNTING: -#ifdef _POSIX2_PBS_ACCOUNTING - return _POSIX2_PBS_ACCOUNTING; -#else - return -1; -#endif - case _SC_2_PBS_CHECKPOINT: -#ifdef _POSIX2_PBS_CHECKPOINT - return _POSIX2_PBS_CHECKPOINT; -#else - return -1; -#endif - case _SC_2_PBS_LOCATE: -#ifdef _POSIX2_PBS_LOCATE - return _POSIX2_PBS_LOCATE; -#else - return -1; -#endif - case _SC_2_PBS_MESSAGE: -#ifdef _POSIX2_PBS_MESSAGE - return _POSIX2_PBS_MESSAGE; -#else - return -1; -#endif - case _SC_2_PBS_TRACK: -#ifdef _POSIX2_PBS_TRACK - return _POSIX2_PBS_TRACK; -#else - return -1; -#endif - - case _SC_SYMLOOP_MAX: -#ifdef SYMLOOP_MAX - return SYMLOOP_MAX; -#else - return -1; -#endif - - case _SC_STREAMS: -#ifdef _XOPEN_STREAMS - return _XOPEN_STREAMS; -#else - return -1; -#endif - - case _SC_HOST_NAME_MAX: -#ifdef HOST_NAME_MAX - return HOST_NAME_MAX; -#else - return -1; -#endif - - case _SC_TRACE: -#if CONF_IS_DEFINED_SET (_POSIX_TRACE) - return _POSIX_TRACE; -#else - return -1; -#endif - case _SC_TRACE_EVENT_FILTER: -#if CONF_IS_DEFINED_SET (_POSIX_TRACE_EVENT_FILTER) - return _POSIX_TRACE_EVENT_FILTER; -#else - return -1; -#endif - case _SC_TRACE_INHERIT: -#if CONF_IS_DEFINED_SET (_POSIX_TRACE_INHERIT) - return _POSIX_TRACE_INHERIT; -#else - return -1; -#endif - case _SC_TRACE_LOG: -#if CONF_IS_DEFINED_SET (_POSIX_TRACE_LOG) - return _POSIX_TRACE_LOG; -#else - return -1; -#endif - - case _SC_TRACE_EVENT_NAME_MAX: - case _SC_TRACE_NAME_MAX: - case _SC_TRACE_SYS_MAX: - case _SC_TRACE_USER_EVENT_MAX: - /* No support for tracing. */ - - case _SC_XOPEN_STREAMS: - /* No support for STREAMS. */ - return -1; - - case _SC_LEVEL1_ICACHE_SIZE: - case _SC_LEVEL1_ICACHE_ASSOC: - case _SC_LEVEL1_ICACHE_LINESIZE: - case _SC_LEVEL1_DCACHE_SIZE: - case _SC_LEVEL1_DCACHE_ASSOC: - case _SC_LEVEL1_DCACHE_LINESIZE: - case _SC_LEVEL2_CACHE_SIZE: - case _SC_LEVEL2_CACHE_ASSOC: - case _SC_LEVEL2_CACHE_LINESIZE: - case _SC_LEVEL3_CACHE_SIZE: - case _SC_LEVEL3_CACHE_ASSOC: - case _SC_LEVEL3_CACHE_LINESIZE: - case _SC_LEVEL4_CACHE_SIZE: - case _SC_LEVEL4_CACHE_ASSOC: - case _SC_LEVEL4_CACHE_LINESIZE: - /* In general we cannot determine these values. Therefore we - return zero which indicates that no information is - available. */ - return 0; - - case _SC_IPV6: -#if CONF_IS_DEFINED_SET (_POSIX_IPV6) - return _POSIX_IPV6; -#else - return -1; -#endif - - case _SC_RAW_SOCKETS: -#if CONF_IS_DEFINED_SET (_POSIX_RAW_SOCKETS) - return _POSIX_RAW_SOCKETS; -#else - return -1; -#endif - } -} - -#undef __sysconf -weak_alias (__sysconf, sysconf) -libc_hidden_def (__sysconf) - -#if NEED_CHECK_SPEC -static long int -__sysconf_check_spec (const char *spec) -{ - int save_errno = errno; - - const char *getconf_dir = __libc_secure_getenv ("GETCONF_DIR") ?: GETCONF_DIR; - size_t getconf_dirlen = strlen (getconf_dir); - size_t speclen = strlen (spec); - - char name[getconf_dirlen + sizeof ("/POSIX_V6_") + speclen]; - memcpy (mempcpy (mempcpy (name, getconf_dir, getconf_dirlen), - "/POSIX_V6_", sizeof ("/POSIX_V6_") - 1), - spec, speclen + 1); - - struct stat64 st; - long int ret = __xstat64 (_STAT_VER, name, &st) >= 0 ? 1 : -1; - - __set_errno (save_errno); - return ret; -} -#endif |