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/* Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ian Lance Taylor (ian@airs.com).
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. */
/* On Ultrix we can use the getsysinfo call to get the right return
value for _SC_CHILD_MAX. Everything else is from <sys/param.h>,
which the default sysconf already knows how to handle. */
#include <unistd.h>
#include <errno.h>
/* This is an Ultrix header file. */
#include <sys/sysinfo.h>
extern int __getsysinfo __P ((unsigned int op, void *buffer,
size_t nbytes, int *start, void *arg));
extern long int __default_sysconf __P ((int name));
long int
__sysconf (name)
int name;
{
if (name == _SC_CHILD_MAX)
{
int save = errno;
int start = 0;
int ret;
/* getsysinfo returns the number of values it put into the
buffer, or 0 if not available, or -1 on error. */
if (__getsysinfo (GSI_MAX_UPROCS, &ret, sizeof (ret), &start,
(void *) 0) > 0)
{
__set_errno (save);
return ret;
}
__set_errno (save);
}
return __default_sysconf (name);
}
#define __sysconf __default_sysconf
#include <sysdeps/posix/sysconf.c>
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