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/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <time.h>
#include <unistd.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/seterr.h>
#include <rtems/score/tod.h>
#include <rtems/libio_.h>
#include <sys/param.h>
/*PAGE
*
* 4.8.1 Get Configurable System Variables, P1003.1b-1993, p. 95
*/
long sysconf(
int name
)
{
if ( name == _SC_CLK_TCK )
return (TOD_MICROSECONDS_PER_SECOND /
rtems_configuration_get_microseconds_per_tick());
if ( name == _SC_OPEN_MAX )
return rtems_libio_number_iops;
if ( name == _SC_GETPW_R_SIZE_MAX )
return 1024;
if ( name == _SC_PAGESIZE )
return PAGE_SIZE;
#if defined(__sparc__)
if ( name == 515 ) /* Solaris _SC_STACK_PROT */
return 0;
#endif
rtems_set_errno_and_return_minus_one( EINVAL );
}
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