62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/* Copyright (C) 1992, 1995, 1996, 1997, 2004 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 (unsigned int op, void *buffer,
|
|
size_t nbytes, int *start, void *arg);
|
|
extern long int __default_sysconf (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>
|