f42774dccc
Bug #106617 r=wtc git-svn-id: svn://10.0.0.236/trunk@106330 18797224-902f-48f8-a5cc-f745e15eee43
220 lines
6.6 KiB
C
220 lines
6.6 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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#include "primpl.h"
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#include "prsystem.h"
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#include "prprf.h"
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#if defined(BEOS)
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#include <kernel/OS.h>
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#endif
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#if defined(OS2)
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#define INCL_DOS
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#include <os2.h>
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/* define the required constant if it is not already defined in the headers */
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#ifndef QSV_NUMPROCESSORS
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#define QSV_NUMPROCESSORS 26
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#endif
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#endif
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/* BSD-derived systems use sysctl() to get the number of processors */
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#if defined(BSDI) || defined(FREEBSD) || defined(NETBSD) \
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|| defined(OPENBSD) || defined(DARWIN)
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#define _PR_HAVE_SYSCTL
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#endif
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#if defined(HPUX)
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#include <sys/mp.h>
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#endif
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#if defined(XP_UNIX)
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#include <unistd.h>
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#include <sys/utsname.h>
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#endif
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PR_IMPLEMENT(char) PR_GetDirectorySeparator()
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{
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return PR_DIRECTORY_SEPARATOR;
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} /* PR_GetDirectorySeparator */
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/*
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** OBSOLETE -- the function name is misspelled.
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*/
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PR_IMPLEMENT(char) PR_GetDirectorySepartor()
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{
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#if defined(DEBUG)
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static PRBool warn = PR_TRUE;
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if (warn) {
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warn = _PR_Obsolete("PR_GetDirectorySepartor()",
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"PR_GetDirectorySeparator()");
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}
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#endif
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return PR_GetDirectorySeparator();
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} /* PR_GetDirectorySepartor */
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PR_IMPLEMENT(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen)
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{
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PRUintn len = 0;
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if (!_pr_initialized) _PR_ImplicitInitialization();
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switch(cmd)
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{
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case PR_SI_HOSTNAME:
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if (PR_FAILURE == _PR_MD_GETHOSTNAME(buf, (PRUintn)buflen))
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return PR_FAILURE;
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/* Return the unqualified hostname */
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while (buf[len] && (len < buflen)) {
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if (buf[len] == '.') {
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buf[len] = '\0';
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break;
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}
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len += 1;
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}
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break;
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case PR_SI_SYSNAME:
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/* Return the operating system name */
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#if defined(XP_UNIX) || defined(WIN32)
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if (PR_FAILURE == _PR_MD_GETSYSINFO(cmd, buf, (PRUintn)buflen))
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return PR_FAILURE;
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#else
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(void)PR_snprintf(buf, buflen, _PR_SI_SYSNAME);
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#endif
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break;
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case PR_SI_RELEASE:
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/* Return the version of the operating system */
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#if defined(XP_UNIX) || defined(WIN32)
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if (PR_FAILURE == _PR_MD_GETSYSINFO(cmd, buf, (PRUintn)buflen))
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return PR_FAILURE;
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#endif
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#if defined(XP_OS2)
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{
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ULONG os2ver[2] = {0};
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DosQuerySysInfo(QSV_VERSION_MINOR, QSV_VERSION_REVISION,
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&os2ver, sizeof(os2ver));
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/* Formatting for normal usage (2.11, 3.0, 4.0, 4.5); officially,
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Warp 4 is version 2.40.00, WSeB 2.45.00 */
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if (os2ver[0] < 30)
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(void)PR_snprintf(buf, buflen, "%s%lu",
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"2.", os2ver[0]);
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else if (os2ver[0] < 45)
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(void)PR_snprintf(buf, buflen, "%lu%s%lu",
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os2ver[0]/10, ".", os2ver[1]);
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else
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(void)PR_snprintf(buf, buflen, "%.1f",
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os2ver[0]/10.0);
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}
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#endif /* OS2 */
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break;
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case PR_SI_ARCHITECTURE:
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/* Return the architecture of the machine (ie. x86, mips, alpha, ...)*/
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(void)PR_snprintf(buf, buflen, _PR_SI_ARCHITECTURE);
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break;
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default:
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PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
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return PR_FAILURE;
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break;
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}
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return PR_SUCCESS;
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}
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/*
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** PR_GetNumberOfProcessors()
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**
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** Implementation notes:
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** Every platform does it a bit different.
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** numCpus is the returned value.
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** for each platform's "if defined" section
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** declare your local variable
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** do your thing, assign to numCpus
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** order of the if defined()s may be important,
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** especially for unix variants. Do platform
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** specific implementations before XP_UNIX.
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**
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*/
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PR_IMPLEMENT(PRInt32) PR_GetNumberOfProcessors( void )
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{
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PRInt32 numCpus;
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#if defined(WIN32)
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SYSTEM_INFO info;
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GetSystemInfo( &info );
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numCpus = info.dwNumberOfProcessors;
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#elif defined(XP_MAC)
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/* Hard-code the number of processors to 1 on the Mac
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** MacOS/9 will always be 1. The MPProcessors() call is for
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** MacOS/X, when issued. Leave it commented out for now. */
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/* numCpus = MPProcessors(); */
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numCpus = 1;
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#elif defined(BEOS)
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system_info sysInfo;
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get_system_info(&sysInfo);
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numCpus = sysInfo.cpu_count;
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#elif defined(OS2)
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DosQuerySysInfo( QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &numCpus, sizeof(numCpus));
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#elif defined(_PR_HAVE_SYSCTL)
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int mib[2];
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int rc;
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size_t len = sizeof(numCpus);
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mib[0] = CTL_HW;
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mib[1] = HW_NCPU;
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rc = sysctl( mib, 2, &numCpus, &len, NULL, 0 );
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if ( -1 == rc ) {
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numCpus = -1; /* set to -1 for return value on error */
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_PR_MD_MAP_DEFAULT_ERROR( _MD_ERRNO() );
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}
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#elif defined(HPUX)
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numCpus = mpctl( MPC_GETNUMSPUS, 0, 0 );
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if ( numCpus < 1 ) {
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numCpus = -1; /* set to -1 for return value on error */
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_PR_MD_MAP_DEFAULT_ERROR( _MD_ERRNO() );
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}
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#elif defined(IRIX)
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numCpus = sysconf( _SC_NPROC_ONLN );
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#elif defined(XP_UNIX)
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numCpus = sysconf( _SC_NPROCESSORS_ONLN );
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#else
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#error "An implementation is required"
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#endif
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return(numCpus);
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} /* end PR_GetNumberOfProcessors() */
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