mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* Copyright (C) 1992, 1995 Free Software Foundation, Inc.
|
|
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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, 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 <ansidecl.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
/* This is an Ultrix header file. */
|
|
#include <sys/sysinfo.h>
|
|
|
|
extern int EXFUN(__getsysinfo, (unsigned int op, void *buffer,
|
|
size_t nbytes, int *start,
|
|
void *arg));
|
|
extern long int EXFUN(__default_sysconf, (int name));
|
|
|
|
long int
|
|
DEFUN(__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)
|
|
{
|
|
errno = save;
|
|
return ret;
|
|
}
|
|
|
|
errno = save;
|
|
}
|
|
|
|
return __default_sysconf (name);
|
|
}
|
|
|
|
#define __sysconf __default_sysconf
|
|
|
|
#include <sysdeps/posix/sysconf.c>
|