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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
366 lines
6.2 KiB
C
366 lines
6.2 KiB
C
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Brendan Kehoe (brendan@zen.org).
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <limits.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <time.h>
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#include <sysconfig.h>
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extern int __sysconfig __P ((int));
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/* Get the value of the system variable NAME. */
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long int
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__sysconf (name)
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int name;
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{
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switch (name)
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{
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default:
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__set_errno (EINVAL);
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return -1;
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case _SC_ARG_MAX:
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#ifdef ARG_MAX
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return ARG_MAX;
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#else
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return -1;
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#endif
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case _SC_CHILD_MAX:
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#ifdef CHILD_MAX
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return CHILD_MAX;
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#else
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return -1;
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#endif
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case _SC_CLK_TCK:
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return __sysconfig (_CONFIG_CLK_TCK);
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case _SC_NGROUPS_MAX:
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#ifdef NGROUPS_MAX
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return NGROUPS_MAX;
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#else
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return -1;
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#endif
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/* Both of these are looking for _CONFIG_OPEN_FILES. */
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case _SC_OPEN_MAX:
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case _SC_STREAM_MAX:
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return __sysconfig (_CONFIG_OPEN_FILES);
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case _SC_TZNAME_MAX:
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return __tzname_max ();
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case _SC_JOB_CONTROL:
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#ifdef _POSIX_JOB_CONTROL
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return 1;
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#else
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return -1;
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#endif
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case _SC_SAVED_IDS:
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#ifdef _POSIX_SAVED_IDS
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return 1;
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#else
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return -1;
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#endif
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case _SC_REALTIME_SIGNALS:
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#ifdef _POSIX_REALTIME_SIGNALS
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return 1;
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#else
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return -1;
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#endif
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case _SC_PRIORITY_SCHEDULING:
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#ifdef _POSIX_PRIORITY_SCHEDULING
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return 1;
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#else
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return -1;
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#endif
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case _SC_TIMERS:
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#ifdef _POSIX_TIMERS
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return 1;
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#else
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return -1;
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#endif
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case _SC_ASYNCHRONOUS_IO:
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#ifdef _POSIX_ASYNCHRONOUS_IO
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return 1;
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#else
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return -1;
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#endif
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case _SC_PRIORITIZED_IO:
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#ifdef _POSIX_PRIORITIZED_IO
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return 1;
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#else
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return -1;
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#endif
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case _SC_SYNCHRONIZED_IO:
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#ifdef _POSIX_SYNCHRONIZED_IO
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return 1;
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#else
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return -1;
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#endif
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case _SC_FSYNC:
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#ifdef _POSIX_FSYNC
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return 1;
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#else
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return -1;
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#endif
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case _SC_MAPPED_FILES:
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#ifdef _POSIX_MAPPED_FILES
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return 1;
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#else
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return -1;
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#endif
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case _SC_MEMLOCK:
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#ifdef _POSIX_MEMLOCK
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return 1;
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#else
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return -1;
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#endif
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case _SC_MEMLOCK_RANGE:
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#ifdef _POSIX_MEMLOCK_RANGE
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return 1;
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#else
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return -1;
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#endif
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case _SC_MEMORY_PROTECTION:
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#ifdef _POSIX_MEMORY_PROTECTION
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return 1;
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#else
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return -1;
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#endif
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case _SC_MESSAGE_PASSING:
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#ifdef _POSIX_MESSAGE_PASSING
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return 1;
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#else
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return -1;
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#endif
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case _SC_SEMAPHORES:
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#ifdef _POSIX_SEMAPHORES
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return 1;
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#else
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return -1;
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#endif
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case _SC_SHARED_MEMORY_OBJECTS:
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#ifdef _POSIX_SHARED_MEMORY_OBJECTS
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return 1;
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#else
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return -1;
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#endif
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case _SC_VERSION:
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return _POSIX_VERSION;
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case _SC_PAGESIZE:
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return __sysconfig (_CONFIG_PAGESIZE);
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case _SC_AIO_LISTIO_MAX:
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#ifdef AIO_LISTIO_MAX
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return AIO_LISTIO_MAX;
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#else
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return -1;
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#endif
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case _SC_AIO_MAX:
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#ifdef AIO_MAX
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return AIO_MAX;
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#else
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return -1;
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#endif
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case _SC_AIO_PRIO_DELTA_MAX:
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#ifdef AIO_PRIO_DELTA_MAX
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return AIO_PRIO_DELTA_MAX;
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#else
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return -1;
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#endif
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case _SC_DELAYTIMER_MAX:
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#ifdef DELAYTIMER_MAX
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return DELAYTIMER_MAX;
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#else
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return -1;
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#endif
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case _SC_MQ_OPEN_MAX:
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#ifdef MQ_OPEN_MAX
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return MQ_OPEN_MAX;
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#else
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return -1;
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#endif
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case _SC_MQ_PRIO_MAX:
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#ifdef MQ_PRIO_MAX
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return MQ_PRIO_MAX;
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#else
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return -1;
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#endif
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case _SC_RTSIG_MAX:
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#ifdef RTSIG_MAX
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return RTSIG_MAX;
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#else
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return -1;
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#endif
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case _SC_SEM_NSEMS_MAX:
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#ifdef SEM_NSEMS_MAX
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return SEM_NSEMS_MAX;
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#else
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return -1;
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#endif
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case _SC_SEM_VALUE_MAX:
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#ifdef SEM_VALUE_MAX
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return SEM_VALUE_MAX;
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#else
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return -1;
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#endif
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case _SC_SIGQUEUE_MAX:
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#ifdef SIGQUEUE_MAX
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return SIGQUEUE_MAX;
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#else
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return -1;
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#endif
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case _SC_TIMER_MAX:
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#ifdef TIMER_MAX
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return TIMER_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_BASE_MAX:
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#ifdef BC_BASE_MAX
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return BC_BASE_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_DIM_MAX:
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#ifdef BC_DIM_MAX
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return BC_DIM_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_SCALE_MAX:
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#ifdef BC_SCALE_MAX
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return BC_SCALE_MAX;
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#else
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return -1;
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#endif
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case _SC_BC_STRING_MAX:
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#ifdef BC_STRING_MAX
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return BC_STRING_MAX;
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#else
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return -1;
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#endif
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case _SC_EQUIV_CLASS_MAX:
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#ifdef EQUIV_CLASS_MAX
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return EQUIV_CLASS_MAX;
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#else
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return -1;
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#endif
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case _SC_EXPR_NEST_MAX:
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#ifdef EXPR_NEST_MAX
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return EXPR_NEST_MAX;
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#else
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return -1;
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#endif
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case _SC_LINE_MAX:
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#ifdef LINE_MAX
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return LINE_MAX;
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#else
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return -1;
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#endif
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case _SC_RE_DUP_MAX:
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#ifdef RE_DUP_MAX
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return RE_DUP_MAX;
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#else
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return -1;
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#endif
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case _SC_CHARCLASS_NAME_MAX:
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#ifdef CHARCLASS_NAME_MAX
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return CHARCLASS_NAME_MAX;
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#else
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return -1;
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#endif
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case _SC_2_VERSION:
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/* This is actually supposed to return the version
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of the 1003.2 utilities on the system {POSIX2_VERSION}. */
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return _POSIX2_C_VERSION;
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case _SC_2_C_BIND:
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#ifdef _POSIX2_C_BIND
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return _POSIX2_C_BIND;
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#else
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return -1;
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#endif
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case _SC_2_C_DEV:
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#ifdef _POSIX2_C_DEV
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return _POSIX2_C_DEV;
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#else
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return -1;
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#endif
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case _SC_2_FORT_DEV:
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#ifdef _POSIX2_FORT_DEV
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return _POSIX2_FORT_DEV;
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#else
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return -1;
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#endif
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case _SC_2_SW_DEV:
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#ifdef _POSIX2_SW_DEV
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return _POSIX2_SW_DEV;
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#else
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return -1;
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#endif
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}
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}
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weak_alias (__sysconf, sysconf)
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