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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#include "primpl.h"
#include "prsystem.h"
#include "prprf.h"
#if defined(BEOS)
#include <kernel/OS.h>
#endif
#if defined(OS2)
#define INCL_DOS
#include <os2.h>
/* define the required constant if it is not already defined in the headers */
#ifndef QSV_NUMPROCESSORS
#define QSV_NUMPROCESSORS 26
#endif
#endif
/* BSD-derived systems use sysctl() to get the number of processors */
#if defined(BSDI) || defined(FREEBSD) || defined(NETBSD) \
|| defined(OPENBSD) || defined(DARWIN)
#define _PR_HAVE_SYSCTL
#include <sys/param.h>
#include <sys/sysctl.h>
#endif
#if defined(HPUX)
#include <sys/mpctl.h>
#endif
#if defined(XP_UNIX)
#include <unistd.h>
#include <sys/utsname.h>
#endif
PR_IMPLEMENT(char) PR_GetDirectorySeparator(void)
{
return PR_DIRECTORY_SEPARATOR;
} /* PR_GetDirectorySeparator */
/*
** OBSOLETE -- the function name is misspelled.
*/
PR_IMPLEMENT(char) PR_GetDirectorySepartor(void)
{
#if defined(DEBUG)
static PRBool warn = PR_TRUE;
if (warn) {
warn = _PR_Obsolete("PR_GetDirectorySepartor()",
"PR_GetDirectorySeparator()");
}
#endif
return PR_GetDirectorySeparator();
} /* PR_GetDirectorySepartor */
PR_IMPLEMENT(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen)
{
PRUintn len = 0;
if (!_pr_initialized) _PR_ImplicitInitialization();
switch(cmd)
{
case PR_SI_HOSTNAME:
if (PR_FAILURE == _PR_MD_GETHOSTNAME(buf, (PRUintn)buflen))
return PR_FAILURE;
/*
* On some platforms a system does not have a hostname and
* its IP address is returned instead. The following code
* should be skipped on those platforms.
*/
#ifndef _PR_GET_HOST_ADDR_AS_NAME
/* Return the unqualified hostname */
while (buf[len] && (len < buflen)) {
if (buf[len] == '.') {
buf[len] = '\0';
break;
}
len += 1;
}
#endif
break;
case PR_SI_SYSNAME:
/* Return the operating system name */
#if defined(XP_UNIX) || defined(WIN32)
if (PR_FAILURE == _PR_MD_GETSYSINFO(cmd, buf, (PRUintn)buflen))
return PR_FAILURE;
#else
(void)PR_snprintf(buf, buflen, _PR_SI_SYSNAME);
#endif
break;
case PR_SI_RELEASE:
/* Return the version of the operating system */
#if defined(XP_UNIX) || defined(WIN32)
if (PR_FAILURE == _PR_MD_GETSYSINFO(cmd, buf, (PRUintn)buflen))
return PR_FAILURE;
#endif
#if defined(XP_OS2)
{
ULONG os2ver[2] = {0};
DosQuerySysInfo(QSV_VERSION_MINOR, QSV_VERSION_REVISION,
&os2ver, sizeof(os2ver));
/* Formatting for normal usage (2.11, 3.0, 4.0, 4.5); officially,
Warp 4 is version 2.40.00, WSeB 2.45.00 */
if (os2ver[0] < 30)
(void)PR_snprintf(buf, buflen, "%s%lu",
"2.", os2ver[0]);
else if (os2ver[0] < 45)
(void)PR_snprintf(buf, buflen, "%lu%s%lu",
os2ver[0]/10, ".", os2ver[1]);
else
(void)PR_snprintf(buf, buflen, "%.1f",
os2ver[0]/10.0);
}
#endif /* OS2 */
break;
case PR_SI_ARCHITECTURE:
/* Return the architecture of the machine (ie. x86, mips, alpha, ...)*/
(void)PR_snprintf(buf, buflen, _PR_SI_ARCHITECTURE);
break;
default:
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
return PR_FAILURE;
}
return PR_SUCCESS;
}
/*
** PR_GetNumberOfProcessors()
**
** Implementation notes:
** Every platform does it a bit different.
** numCpus is the returned value.
** for each platform's "if defined" section
** declare your local variable
** do your thing, assign to numCpus
** order of the if defined()s may be important,
** especially for unix variants. Do platform
** specific implementations before XP_UNIX.
**
*/
PR_IMPLEMENT(PRInt32) PR_GetNumberOfProcessors( void )
{
PRInt32 numCpus;
#if defined(WIN32)
SYSTEM_INFO info;
GetSystemInfo( &info );
numCpus = info.dwNumberOfProcessors;
#elif defined(XP_MAC)
/* Hard-code the number of processors to 1 on the Mac
** MacOS/9 will always be 1. The MPProcessors() call is for
** MacOS/X, when issued. Leave it commented out for now. */
/* numCpus = MPProcessors(); */
numCpus = 1;
#elif defined(BEOS)
system_info sysInfo;
get_system_info(&sysInfo);
numCpus = sysInfo.cpu_count;
#elif defined(OS2)
DosQuerySysInfo( QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &numCpus, sizeof(numCpus));
#elif defined(_PR_HAVE_SYSCTL)
int mib[2];
int rc;
size_t len = sizeof(numCpus);
mib[0] = CTL_HW;
mib[1] = HW_NCPU;
rc = sysctl( mib, 2, &numCpus, &len, NULL, 0 );
if ( -1 == rc ) {
numCpus = -1; /* set to -1 for return value on error */
_PR_MD_MAP_DEFAULT_ERROR( _MD_ERRNO() );
}
#elif defined(HPUX)
numCpus = mpctl( MPC_GETNUMSPUS, 0, 0 );
if ( numCpus < 1 ) {
numCpus = -1; /* set to -1 for return value on error */
_PR_MD_MAP_DEFAULT_ERROR( _MD_ERRNO() );
}
#elif defined(IRIX)
numCpus = sysconf( _SC_NPROC_ONLN );
#elif defined(XP_UNIX)
numCpus = sysconf( _SC_NPROCESSORS_ONLN );
#else
#error "An implementation is required"
#endif
return(numCpus);
} /* end PR_GetNumberOfProcessors() */
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