2 # posix limits,unistd,confstr,fpathconf,pathconf,sysconf macro table
4 # @(#)conf.tab (AT&T Bell Laboratories) 05/09/95
6 # name index standard section call flags [ value ... ]
7 # [ <tab> _LOCAL_name macro definition ... ]
10 # index: starts at 1, must not change or be reused
11 # standard: AST, C, POSIX, SVID, XOPEN, <vendor-name> { SUN, SGI, ... }
12 # section: section number in standard
13 # call: CS=confstr PC=pathconf SC=sysconf XX=none
15 # F feature for unistd.h
16 # L constant for limits.h
17 # M has _<standard><section>_<name> minmax value
19 # S _<call>_<standard><section>_<name>
20 # U <standard><section>_<name> prefixed by underscore
21 # X define even if local is indeterminant (ast special)
23 # default names if <section> <= 1
28 # default names if <section> > 1
30 # _<call>_<section>_<name>
31 # <standard><section>_<name>
33 # the [ENSU] flags modify the default names
35 # NOTE: 132 is the next index
38 AIO_LISTIO_MAX 1 POSIX SC 1 LMU 2
39 AIO_MAX 2 POSIX SC 1 LMU 1
40 AIO_PRIO_DELTA_MAX 3 POSIX SC 1 LMU
41 ARG_MAX 4 POSIX SC 1 LMU NCARGS 4096
42 ASYNCHRONOUS_IO 5 POSIX SC 1 FU
43 ASYNC_IO 6 POSIX PC 1 FU
44 ATEXIT_MAX 82 XOPEN SC 1 LMU 32
45 AVPHYS_PAGES 121 SUN SC 1 0
46 BC_BASE_MAX 7 POSIX SC 2 LMN 99
47 BC_DIM_MAX 8 POSIX SC 2 LMN 2048
48 BC_SCALE_MAX 9 POSIX SC 2 LMN 99
49 BC_STRING_MAX 10 POSIX SC 2 LMN 1000
50 CHARCLASS_NAME_MAX 102 XOPEN XX 1 L 14
51 CHAR_BIT 13 C XX 1 L 8
54 CHAR_TERM 16 POSIX SC 2 F
55 CHILD_MAX 17 POSIX SC 1 LMU 6
56 #define _LOCAL_CHILD_MAX local_child_max()
58 #define child() fork()
61 #define _map_spawnve _map_spawnve
63 extern int spawnve(const char*, char* const[], char* const[]);
64 static char* cmd[] = { "/bin/echo", 0 };
65 #define child() spawnve(cmd[0],cmd,(char**)0)
72 for (i = 3; i < 512 && (n = child()) >= 0; i++)
74 while (wait((int*)0) > 0);
75 for (n = 8; n < i; n <<= 1);
78 CHOWN_RESTRICTED 18 POSIX PC 1 FU
80 CLK_TCK 19 AST SC 1 MU HZ 60
81 CLOCKRES_MIN 20 POSIX SC 1 MU 1
82 COLL_WEIGHTS_MAX 21 POSIX SC 2 LMN 2
83 CRYPT 116 XOPEN SC 1 FSU
84 C_BIND 11 POSIX SC 2 F
86 C_VERSION 98 POSIX SC 2 F
87 DELAYTIMER_MAX 22 POSIX SC 1 LMU 32
88 ENH_I18N 117 XOPEN SC 1 FSU
89 EXPR_NEST_MAX 23 POSIX SC 2 LMN 32
90 FCHR_MAX 24 SVID SC 1 LMU LONG_MAX 2147483647
91 FORT_DEV 25 POSIX SC 2 F
92 FORT_RUN 26 POSIX SC 2 F
93 FSYNC 27 POSIX SC 1 FU _lib_fsync
94 INT_MAX 28 C XX 1 L 32767
95 INT_MIN 29 C XX 1 L -32767
96 IOV_MAX 100 XOPEN SC 1 LMU 16
97 JOB_CONTROL 30 POSIX SC 1 FU
98 #include "FEATURE/wait"
100 #define _LOCAL_JOB_CONTROL 1
102 LINE_MAX 31 POSIX SC 2 LMN 2048
103 LINK_MAX 32 POSIX PC 1 LMU MAXLINK SHRT_MAX 8
104 LOCALEDEF 99 POSIX SC 1 FU
105 LOCALEDEF 33 POSIX SC 2 F
106 LOGNAME_MAX 129 SVID SC 1 MU 8
107 LONG_BIT 56 XOPEN XX 1 L 32
109 #define _LOCAL_LONG_BIT (CHAR_BIT*sizeof(long))
111 #define _LOCAL_LONG_BIT (8*sizeof(int))
113 LONG_MAX 34 C XX 1 L 2147483647
114 LONG_MIN 35 C XX 1 L -2147483647
115 MAPPED_FILES 36 POSIX SC 1 FU _lib_mmap
116 MAX_CANON 37 POSIX PC 1 LMU CANBSIZ 255
117 MAX_INPUT 38 POSIX PC 1 LMU MAX_CANON 255
118 MB_LEN_MAX 39 C XX 1 L 1
119 MEMLOCK 40 POSIX SC 1 FU
120 MEMLOCK_RANGE 41 POSIX SC 1 FU
121 MEMORY_PROTECTION 42 POSIX SC 1 FU
122 MESSAGE_PASSING 43 POSIX SC 1 FU
123 MQ_OPEN_MAX 44 POSIX SC 1 LMU 8
124 MQ_PRIO_MAX 45 POSIX SC 1 LMU 32
125 NACLS_MAX 122 SVID SC 1 0
126 NAME_MAX 46 POSIX PC 1 LMU 14
128 #define _LOCAL_NAME_MAX MAXNAMLEN
130 #define _LOCAL_NAME_MAX local_name_max()
131 #if !_lib_remove || _lib_unlink
132 #define remove unlink
141 for (i = 0; i < sizeof(name); i++)
144 name[sizeof(name) - 1] = 0;
145 if ((n = creat(name, 0666)) >= 0)
148 for (v = 12; v < sizeof(name); v++)
151 if (remove(name) >= 0) break;
155 else for (v = 12; v < sizeof(name); v++)
158 if ((n = creat(name, 0666)) >= 0)
173 NGROUPS_MAX 47 POSIX SC 1 LMU 0
175 #define _LOCAL_NGROUPS_MAX local_ngroups_max()
181 if ((n = getgroups(0, &g)) < 0)
190 NL_ARGMAX 103 XOPEN XX 1 L 9
191 NL_LANGMAX 104 XOPEN XX 1 L 14
192 NL_MSGMAX 105 XOPEN XX 1 L 32767
193 NL_NMAX 106 XOPEN XX 1 L
194 NL_SETMAX 107 XOPEN XX 1 L 255
195 NL_TEXTMAX 108 XOPEN XX 1 L LINE_MAX
196 NO_TRUNC 48 POSIX PC 1 FU
197 NPROCESSORS_CONF 123 SVID SC 1 0
198 NPROCESSORS_ONLN 124 SVID SC 1 0
199 NZERO 109 XOPEN XX 1 L 20
200 OPEN_MAX 49 POSIX SC 1 LMU 16
201 #if _lib_getdtablesize
202 extern int getdtablesize(void);
203 #define _LOCAL_OPEN_MAX getdtablesize()
205 #define _LOCAL_OPEN_MAX local_open_max()
206 #if _lib_getrlimit && _sys_resource
207 #include <sys/time.h>
208 #include <sys/resource.h>
215 if (getrlimit(RLIMIT_NOFILE, &rlim))
217 return(rlim.rlim_cur);
228 while ((i = dup(0)) >= 0)
233 while (n <= v) close(n++);
238 OPEN_MAX_CEIL 50 AST XX 1 L OPEN_MAX
239 OS_VERSION 119 AES SC 1 FSU
240 PAGESIZE 51 POSIX SC 1 L PAGE_SIZE 4096
243 extern int getpagesize(void);
245 extern ssize_t getpagesize(void);
247 #define _LOCAL_PAGESIZE getpagesize()
249 PAGE_SIZE 101 XOPEN SC 1 L PAGESIZE
250 PASS_MAX 130 SVID SC 1 MU 8
251 PATH 52 POSIX CS 1 MU "/bin:/usr/bin"
252 PATH_MAX 53 POSIX PC 1 LMUX MAXPATHLEN 1024 256
253 PHYS_PAGES 125 SUN SC 1 0
254 PID_MAX 54 SVID SC 1 LMU 30000
255 PIPE_BUF 55 POSIX PC 1 LMU 512
256 PRIORITIZED_IO 57 POSIX SC 1 FU
257 PRIORITY_SCHEDULING 58 POSIX SC 1 FU
258 PRIO_IO 59 POSIX PC 1 FU
259 REALTIME_SIGNALS 60 POSIX SC 1 FU
260 REGEXP 95 POSIX SC 1 FU
261 RESOURCE_LIMITS 96 POSIX SC 1 FU
262 RE_DUP_MAX 61 POSIX SC 2 LMN 255
263 RTSIG_MAX 62 POSIX SC 1 LMU 8
264 SAVED_IDS 63 POSIX SC 1 FU
265 #if _lib_setuid && !_lib_setreuid
266 #define _LOCAL_SAVED_IDS 1
268 SCHAR_MAX 64 C XX 1 L 127
269 SCHAR_MIN 65 C XX 1 L -127
270 SEMAPHORES 66 POSIX SC 1 FU
271 SEM_NSEMS_MAX 67 POSIX SC 1 LMU 256
272 SEM_VALUE_MAX 68 POSIX SC 1 LMU 32767
273 SHARED_MEMORY_OBJECTS 69 POSIX SC 1 FU
274 SHELL 120 AST CS 1 MU "/bin/sh"
275 SHM 118 XOPEN SC 1 FSU
276 SHRT_MAX 70 C XX 1 L 32767
277 SHRT_MIN 71 C XX 1 L -32767
278 SIGQUEUE_MAX 72 POSIX SC 1 LMU 32
279 SIGRT_MAX 126 SVID SC 1 0
280 SIGRT_MIN 127 SVID SC 1 0
281 SSIZE_MAX 73 POSIX XX 1 LMU INT_MAX 32767
282 STD_BLK 74 SVID SC 1 LMU 1024
283 STREAM_MAX 75 POSIX SC 1 LMU OPEN_MAX 8
284 SW_DEV 76 POSIX SC 2 F
285 SYMLINK_MAX 93 POSIX PC 1 LMU 255
287 #define _LOCAL_SYMLINK_MAX (PATH_MAX-1)
289 SYMLOOP_MAX 94 POSIX PC 1 LMU 8
290 SYNCHRONIZED_IO 77 POSIX SC 1 FU
291 SYNC_IO 78 POSIX PC 1 FU
292 SYSPID_MAX 79 SVID SC 1 LMU 2
293 TIMERS 80 POSIX SC 1 FU
294 TIMER_MAX 81 POSIX SC 1 LMU 32
295 TMP 131 AST CS 1 MU "/tmp"
296 TMP_MAX 128 C SC 1 MU 10000
297 TZNAME_MAX 83 POSIX SC 1 LMU 6
298 UCHAR_MAX 84 C XX 1 L 255
299 UID_MAX 85 SVID SC 1 LMU 60002
300 UINT_MAX 86 C XX 1 L 65535
301 ULONG_MAX 87 C XX 1 L 4294967295
302 UNIX 115 XOPEN SC 1 FSU
304 USHRT_MAX 88 C XX 1 L 65535
305 VDISABLE 90 POSIX PC 1 FU
306 VERSION 91 POSIX SC 1 FU 199009
307 VERSION 92 POSIX SC 2 F 199209
308 VERSION 110 XOPEN SC 1 FSU 4
309 WORD_BIT 56 XOPEN XX 1 L 16
311 #define _LOCAL_WORD_BIT (CHAR_BIT*sizeof(int))
313 #define _LOCAL_WORD_BIT (8*sizeof(int))
315 XCU_VERSION 111 XOPEN SC 1 FSU
316 XPG2 112 XOPEN XX 1 FU
317 XPG3 113 XOPEN XX 1 FU
318 XPG4 114 XOPEN XX 1 FU