diff options
Diffstat (limited to 'libc/hurd-l4/sysdeps/l4/hurd/bits/local_lim.h')
-rw-r--r-- | libc/hurd-l4/sysdeps/l4/hurd/bits/local_lim.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libc/hurd-l4/sysdeps/l4/hurd/bits/local_lim.h b/libc/hurd-l4/sysdeps/l4/hurd/bits/local_lim.h new file mode 100644 index 0000000..51a2791 --- /dev/null +++ b/libc/hurd-l4/sysdeps/l4/hurd/bits/local_lim.h @@ -0,0 +1,46 @@ +/* Minimum guaranteed maximum values for system limits. Hurd version. + Copyright (C) 1993,94,96,98,2002 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. */ + +/* GNU has no arbitrary fixed limits on most of these things, so we + don't define the macros. Some things are unlimited. Some are in + fact limited but the limit is run-time dependent and fetched with + `sysconf' or `pathconf'. */ + +/* This one value is actually constrained by the `struct dirent' + layout, in which the `d_namlen' member is only 8 bits wide. */ + +#define NAME_MAX 255 + +/* POSIX.1 requires that we define NGROUPS_MAX (though none of the others + is required). GNU allows any number of supplementary groups, + dynamically allocated. So we pick a number which seems vaguely + suitable, and `sysconf' will return a number at least as large. */ + +#define NGROUPS_MAX 256 + +/* The maximum number of symbolic links that are allowed in a single file + name resolution. When a further link is encountered, the call returns + ELOOP. This name is a GNU extension; POSIX.1 has no such limit, and BSD + calls it MAXSYMLINKS in <sys/param.h>. (We define the name under + _BSD_SOURCE even without _GNU_SOURCE because our <sys/param.h> uses it + to define MAXSYMLINKS.) */ + +#if defined __USE_GNU || defined __USE_BSD /* 1003.1a defines this */ +#define SYMLOOP_MAX 8 +#endif |