/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#define __NO_EXT_QNX
#import "OFSystemInfo.h"
#include <unistd.h>
#ifdef __QNX__
# include <sys/syspage.h>
#endif
#ifdef _WIN32
# include <windows.h>
#endif
#import "macros.h"
static size_t pageSize;
static size_t numberOfCPUs;
@implementation OFSystemInfo
+ (void)initialize
{
if (self != [OFSystemInfo class])
return;
#if defined(_WIN32)
SYSTEM_INFO si;
GetSystemInfo(&si);
pageSize = si.dwPageSize;
numberOfCPUs = si.dwNumberOfProcessors;
#elif defined(__QNX__)
if ((pageSize = sysconf(_SC_PAGESIZE)) < 1)
pageSize = 4096;
numberOfCPUs = _syspage_ptr->num_cpu;
#else
# if defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
if ((pageSize = sysconf(_SC_PAGESIZE)) < 1)
# endif
pageSize = 4096;
# if defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_CONF)
if ((numberOfCPUs = sysconf(_SC_NPROCESSORS_CONF)) < 1)
# endif
numberOfCPUs = 1;
#endif
}
+ alloc
{
OF_UNRECOGNIZED_SELECTOR
}
+ (size_t)pageSize
{
return pageSize;
}
+ (size_t)numberOfCPUs
{
return numberOfCPUs;
}
@end