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glibc/sysdeps/posix/sysconf.c
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| /* Copyright (C) 1991,93,1995-1997,1999-2002 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, write to the Free | |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 02111-1307 USA. */ | |
| #include <errno.h> | |
| #include <limits.h> | |
| #include <grp.h> | |
| #include <pwd.h> | |
| #include <stddef.h> | |
| #include <stdio.h> | |
| #include <time.h> | |
| #include <unistd.h> | |
| #include <sys/param.h> | |
| #include <sys/sysinfo.h> | |
| #include <sys/types.h> | |
| #include <regex.h> | |
| /* Get the value of the system variable NAME. */ | |
| long int | |
| __sysconf (name) | |
| int name; | |
| { | |
| switch (name) | |
| { | |
| 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 -1; | |
| #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 MAX (__tzname_max (), _POSIX_TZNAME_MAX); | |
| case _SC_JOB_CONTROL: | |
| #ifdef _POSIX_JOB_CONTROL | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SAVED_IDS: | |
| #ifdef _POSIX_SAVED_IDS | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_REALTIME_SIGNALS: | |
| #ifdef _POSIX_REALTIME_SIGNALS | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PRIORITY_SCHEDULING: | |
| #ifdef _POSIX_PRIORITY_SCHEDULING | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_TIMERS: | |
| #ifdef _POSIX_TIMERS | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_ASYNCHRONOUS_IO: | |
| #ifdef _POSIX_ASYNCHRONOUS_IO | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PRIORITIZED_IO: | |
| #ifdef _POSIX_PRIORITIZED_IO | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SYNCHRONIZED_IO: | |
| #ifdef _POSIX_SYNCHRONIZED_IO | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_FSYNC: | |
| #ifdef _POSIX_FSYNC | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_MAPPED_FILES: | |
| #ifdef _POSIX_MAPPED_FILES | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_MEMLOCK: | |
| #ifdef _POSIX_MEMLOCK | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_MEMLOCK_RANGE: | |
| #ifdef _POSIX_MEMLOCK_RANGE | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_MEMORY_PROTECTION: | |
| #ifdef _POSIX_MEMORY_PROTECTION | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_MESSAGE_PASSING: | |
| #ifdef _POSIX_MESSAGE_PASSING | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SEMAPHORES: | |
| #ifdef _POSIX_SEMAPHORES | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SHARED_MEMORY_OBJECTS: | |
| #ifdef _POSIX_SHARED_MEMORY_OBJECTS | |
| return 1; | |
| #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: | |
| #ifdef _POSIX_PII | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_XTI: | |
| #ifdef _POSIX_PII_XTI | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_SOCKET: | |
| #ifdef _POSIX_PII_SOCKET | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_INTERNET: | |
| #ifdef _POSIX_PII_INTERNET | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_OSI: | |
| #ifdef _POSIX_PII_OSI | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_POLL: | |
| #ifdef _POSIX_POLL | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SELECT: | |
| #ifdef _POSIX_SELECT | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_UIO_MAXIOV: | |
| #ifdef UIO_MAXIOV | |
| return UIO_MAXIOV; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_INTERNET_STREAM: | |
| #ifdef _POSIX_PII_INTERNET_STREAM | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_INTERNET_DGRAM: | |
| #ifdef _POSIX_PII_INTERNET_DGRAM | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_OSI_COTS: | |
| #ifdef _POSIX_PII_OSI_COTS | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_OSI_CLTS: | |
| #ifdef _POSIX_PII_OSI_CLTS | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PII_OSI_M: | |
| #ifdef _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_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: | |
| #ifdef _POSIX_THREADS | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_SAFE_FUNCTIONS: | |
| #ifdef _POSIX_THREAD_SAFE_FUNCTIONS | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_GETGR_R_SIZE_MAX: | |
| #ifdef NSS_BUFLEN_GROUP | |
| return NSS_BUFLEN_GROUP; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_GETPW_R_SIZE_MAX: | |
| #ifdef NSS_BUFLEN_PASSWD | |
| return NSS_BUFLEN_PASSWD; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_LOGIN_NAME_MAX: | |
| #ifdef _POSIX_LOGIN_NAME_MAX | |
| return _POSIX_LOGIN_NAME_MAX; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_TTY_NAME_MAX: | |
| #ifdef _POSIX_TTY_NAME_MAX | |
| return _POSIX_TTY_NAME_MAX; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_DESTRUCTOR_ITERATIONS: | |
| #ifdef _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: | |
| #ifdef _POSIX_THREAD_ATTR_STACKADDR | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_ATTR_STACKSIZE: | |
| #ifdef _POSIX_THREAD_ATTR_STACKSIZE | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_PRIORITY_SCHEDULING: | |
| #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_PRIO_INHERIT: | |
| #ifdef _POSIX_THREAD_PRIO_INHERIT | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_PRIO_PROTECT: | |
| #ifdef _POSIX_THREAD_PRIO_PROTECT | |
| return 1; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_PROCESS_SHARED: | |
| #ifdef _POSIX_THREAD_PROCESS_SHARED | |
| return 1; | |
| #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 | |
| case _SC_XBS5_ILP32_OFF32: | |
| #ifdef _XBS5_ILP32_OFF32 | |
| return _XBS5_ILP32_OFF32; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_XBS5_ILP32_OFFBIG: | |
| #ifdef _XBS5_ILP32_OFFBIG | |
| return _XBS5_ILP32_OFFBIG; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_XBS5_LP64_OFF64: | |
| #ifdef _XBS5_LP64_OFF64 | |
| return _XBS5_LP64_OFF64; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_XBS5_LPBIG_OFFBIG: | |
| #ifdef _XBS5_LPBIG_OFFBIG | |
| return _XBS5_LPBIG_OFFBIG; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_V6_ILP32_OFF32: | |
| #ifdef _POSIX_V6_ILP32_OFF32 | |
| return _POSIX_V6_ILP32_OFF32; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_V6_ILP32_OFFBIG: | |
| #ifdef _POSIX_V6_ILP32_OFFBIG | |
| return _POSIX_V6_ILP32_OFFBIG; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_V6_LP64_OFF64: | |
| #ifdef _POSIX_V6_LP64_OFF64 | |
| return _POSIX_V6_LP64_OFF64; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_V6_LPBIG_OFFBIG: | |
| #ifdef _POSIX_V6_LPBIG_OFFBIG | |
| return _POSIX_V6_LPBIG_OFFBIG; | |
| #else | |
| return -1; | |
| #endif | |
| 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: | |
| #ifdef _POSIX_ADVISORY_INFO | |
| return _POSIX_ADVISORY_INFO; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_BARRIERS: | |
| #ifdef _POSIX_BARRIERS | |
| return _POSIX_BARRIERS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_BASE: | |
| #ifdef _POSIX_BASE | |
| return _POSIX_BASE; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_C_LANG_SUPPORT: | |
| #ifdef _POSIX_C_LANG_SUPPORT | |
| return _POSIX_C_LANG_SUPPORT; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_C_LANG_SUPPORT_R: | |
| #ifdef _POSIX_C_LANG_SUPPORT_R | |
| return _POSIX_C_LANG_SUPPORT_R; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_CLOCK_SELECTION: | |
| #ifdef _POSIX_CLOCK_SELECTION | |
| return _POSIX_CLOCK_SELECTION; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_CPUTIME: | |
| #ifdef _POSIX_CPUTIME | |
| return _POSIX_CPUTIME; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_DEVICE_IO: | |
| #ifdef _POSIX_DEVICE_IO | |
| return _POSIX_DEVICE_IO; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_DEVICE_SPECIFIC: | |
| #ifdef _POSIX_DEVICE_SPCIFIC | |
| return _POSIX_DEVICE_SPECIFIC; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_DEVICE_SPECIFIC_R: | |
| #ifdef _POSIX_DEVICE_SPCIFIC_R | |
| return _POSIX_DEVICE_SPECIFIC_R; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_FD_MGMT: | |
| #ifdef _POSIX_FD_MGMT | |
| return _POSIX_FD_MGMT; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_FIFO: | |
| #ifdef _POSIX_FIFO | |
| return _POSIX_FIFO; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_PIPE: | |
| #ifdef _POSIX_PIPE | |
| return _POSIX_PIPE; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_FILE_ATTRIBUTES: | |
| #ifdef _POSIX_FILE_ATTRIBUTES | |
| return _POSIX_FILE_ATTRIBUTES; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_FILE_LOCKING: | |
| #ifdef _POSIX_FILE_LOCKING | |
| return _POSIX_FILE_LOCKING; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_FILE_SYSTEM: | |
| #ifdef _POSIX_FILE_SYSTEM | |
| return _POSIX_FILE_SYSTEM; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_MONOTONIC_CLOCK: | |
| #ifdef _POSIX_MONOTONIC_CLOCK | |
| return _POSIX_MONOTONIC_CLOCK; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_MULTI_PROCESS: | |
| #ifdef _POSIX_MULTI_PROCESS | |
| return _POSIX_MULTI_PROCESS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SINGLE_PROCESS: | |
| #ifdef _POSIX_SINGLE_PROCESS | |
| return _POSIX_SINGLE_PROCESS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_NETWORKING: | |
| #ifdef _POSIX_NETWORKING | |
| return _POSIX_NETWORKING; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_READER_WRITER_LOCKS: | |
| #ifdef _POSIX_READER_WRITER_LOCKS | |
| return _POSIX_READER_WRITER_LOCKS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SPIN_LOCKS: | |
| #ifdef _POSIX_SPIN_LOCKS | |
| return _POSIX_SPIN_LOCKS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_REGEXP: | |
| #ifdef _POSIX_REGEXP | |
| return _POSIX_REGEXP; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_REGEX_VERSION: | |
| #ifdef _POSIX_REGEX_VERSION | |
| return _POSIX_REGEX_VERSION; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SHELL: | |
| #ifdef _POSIX_SHELL | |
| return _POSIX_SHELL; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SIGNALS: | |
| #ifdef _POSUX_SIGNALS | |
| return _POSIX_SIGNALS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SPAWN: | |
| #ifdef _POSIX_SPAWN | |
| return _POSIX_SPAWN; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SPORADIC_SERVER: | |
| #ifdef _POSIX_SPORADIC_SERVER | |
| return _POSIX_SPORADIC_SERVER; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_SPORADIC_SERVER: | |
| #ifdef _POSIX_THREAD_SPORADIC_SERVER | |
| return _POSIX_THREAD_SPORADIC_SERVER; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SYSTEM_DATABASE: | |
| #ifdef _POSIX_SYSTEM_DATABASE | |
| return _POSIX_SYSTEM_DATABASE; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_SYSTEM_DATABASE_R: | |
| #ifdef _POSIX_SYSTEM_DATABASE_R | |
| return _POSIX_SYSTEM_DATABASE_R; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_THREAD_CPUTIME: | |
| #ifdef _POSIX_THREAD_CPUTIME | |
| return _POSIX_THREAD_CPUTIME; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_TIMEOUTS: | |
| #ifdef _POSIX_TIMEOUTS | |
| return _POSIX_TIMEOUTS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_TYPED_MEMORY_OBJECTS: | |
| #ifdef _POSIX_TYPED_MEMORY_OBJECTS | |
| return _POSIX_TYPED_MEMORY_OBJECTS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_USER_GROUPS: | |
| #ifdef _POSIX_USER_GROUPS | |
| return _POSIX_USER_GROUPS; | |
| #else | |
| return -1; | |
| #endif | |
| case _SC_USER_GROUPS_R: | |
| #ifdef _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_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 | |
| } | |
| } | |
| #undef __sysconf | |
| weak_alias (__sysconf, sysconf) | |
| libc_hidden_def (__sysconf) |