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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 <sys/param.h>
/*PAGE
*
* 4.8.1 Get Configurable System Variables, P1003.1b-1993, p. 95
*/
long sysconf(
int name
)
{
switch (name) {
case _SC_CLK_TCK:
return (TOD_MICROSECONDS_PER_SECOND / _TOD_Microseconds_per_tick);
case _SC_OPEN_MAX: {
extern uint32_t rtems_libio_number_iops;
return rtems_libio_number_iops;
}
case _SC_GETPW_R_SIZE_MAX:
return 1024;
case _SC_PAGESIZE:
return PAGE_SIZE;
#if defined(__sparc__)
case 515: /* Solaris _SC_STACK_PROT */
return 0;
#endif
default:
break;
}
rtems_set_errno_and_return_minus_one( EINVAL );
}
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