1 /* Copyright (C) 1991,1993,1995-1997,2001,2002,2003,2009
2 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
27 #include <sys/param.h>
28 #include <sys/sysinfo.h>
31 /* Get the value of the system variable NAME. */
43 return MAX (__tzname_max (), _POSIX_TZNAME_MAX);
45 case _SC_CHARCLASS_NAME_MAX:
46 #ifdef CHARCLASS_NAME_MAX
47 return CHARCLASS_NAME_MAX;
52 case _SC_COLL_WEIGHTS_MAX:
53 #ifdef COLL_WEIGHTS_MAX
54 return COLL_WEIGHTS_MAX;
59 case _SC_EQUIV_CLASS_MAX:
60 #ifdef EQUIV_CLASS_MAX
61 return EQUIV_CLASS_MAX;
67 #ifdef _POSIX2_LOCALEDEF
68 return _POSIX2_LOCALEDEF;
73 case _SC_NPROCESSORS_CONF:
74 return __get_nprocs_conf ();
76 case _SC_NPROCESSORS_ONLN:
77 return __get_nprocs ();
80 return __get_phys_pages ();
82 case _SC_AVPHYS_PAGES:
83 return __get_avphys_pages ();
86 /* We have no limit since we use lists. */
90 /* We have no limit but since the return value might be used to
91 allocate a buffer we restrict the value. */
110 return sizeof (long int) * CHAR_BIT;
113 return sizeof (int) * CHAR_BIT;
122 return _POSIX_SSIZE_MAX;
148 case _SC_GETGR_R_SIZE_MAX:
149 return NSS_BUFLEN_GROUP;
151 case _SC_GETPW_R_SIZE_MAX:
152 return NSS_BUFLEN_PASSWD;
157 case _SC_NGROUPS_MAX:
160 case _SC_JOB_CONTROL:
162 case _SC_REALTIME_SIGNALS:
163 case _SC_PRIORITY_SCHEDULING:
165 case _SC_ASYNCHRONOUS_IO:
166 case _SC_PRIORITIZED_IO:
167 case _SC_SYNCHRONIZED_IO:
169 case _SC_MAPPED_FILES:
171 case _SC_MEMLOCK_RANGE:
172 case _SC_MEMORY_PROTECTION:
173 case _SC_MESSAGE_PASSING:
175 case _SC_SHARED_MEMORY_OBJECTS:
177 case _SC_AIO_LISTIO_MAX:
179 case _SC_AIO_PRIO_DELTA_MAX:
180 case _SC_DELAYTIMER_MAX:
181 case _SC_MQ_OPEN_MAX:
182 case _SC_MQ_PRIO_MAX:
186 case _SC_SEM_NSEMS_MAX:
187 case _SC_SEM_VALUE_MAX:
188 case _SC_SIGQUEUE_MAX:
198 case _SC_PII_INTERNET_STREAM:
199 case _SC_PII_INTERNET_DGRAM:
200 case _SC_PII_OSI_COTS:
201 case _SC_PII_OSI_CLTS:
205 case _SC_BC_BASE_MAX:
207 case _SC_BC_SCALE_MAX:
208 case _SC_BC_STRING_MAX:
209 case _SC_EXPR_NEST_MAX:
217 case _SC_2_CHAR_TERM:
218 case _SC_2_C_VERSION:
222 case _SC_THREAD_SAFE_FUNCTIONS:
223 case _SC_LOGIN_NAME_MAX:
224 case _SC_TTY_NAME_MAX:
225 case _SC_THREAD_DESTRUCTOR_ITERATIONS:
226 case _SC_THREAD_KEYS_MAX:
227 case _SC_THREAD_STACK_MIN:
228 case _SC_THREAD_THREADS_MAX:
229 case _SC_THREAD_ATTR_STACKADDR:
230 case _SC_THREAD_ATTR_STACKSIZE:
231 case _SC_THREAD_PRIORITY_SCHEDULING:
232 case _SC_THREAD_PRIO_INHERIT:
233 case _SC_THREAD_PRIO_PROTECT:
234 case _SC_THREAD_PROCESS_SHARED:
236 case _SC_XOPEN_VERSION:
237 case _SC_XOPEN_XCU_VERSION:
239 case _SC_XOPEN_CRYPT:
240 case _SC_XOPEN_ENH_I18N:
253 case _SC_XBS5_ILP32_OFF32:
254 case _SC_XBS5_ILP32_OFFBIG:
255 case _SC_XBS5_LP64_OFF64:
256 case _SC_XBS5_LPBIG_OFFBIG:
258 case _SC_POSIX_V6_ILP32_OFF32:
259 case _SC_POSIX_V6_ILP32_OFFBIG:
260 case _SC_POSIX_V6_LP64_OFF64:
261 case _SC_POSIX_V6_LPBIG_OFFBIG:
263 case _SC_POSIX_V7_ILP32_OFF32:
264 case _SC_POSIX_V7_ILP32_OFFBIG:
265 case _SC_POSIX_V7_LP64_OFF64:
266 case _SC_POSIX_V7_LPBIG_OFFBIG:
268 case _SC_XOPEN_LEGACY:
269 case _SC_XOPEN_REALTIME:
270 case _SC_XOPEN_REALTIME_THREADS:
275 __set_errno (ENOSYS);
279 weak_alias (__sysconf, sysconf)
280 libc_hidden_def (__sysconf)
282 stub_warning (sysconf)
283 #include <stub-tag.h>