138 lines
3.9 KiB
C
138 lines
3.9 KiB
C
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All 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 terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef prsystem_h___
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#define prsystem_h___
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/*
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** API to NSPR functions returning system info.
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*/
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#include "prtypes.h"
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PR_BEGIN_EXTERN_C
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/*
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** Get the host' directory separator.
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** Pathnames are then assumed to be of the form:
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** [<sep><root_component><sep>]*(<component><sep>)<leaf_name>
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*/
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NSPR_API(char) PR_GetDirectorySeparator(void);
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/*
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** OBSOLETE -- the function name is misspelled.
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** Use PR_GetDirectorySeparator instead.
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*/
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NSPR_API(char) PR_GetDirectorySepartor(void);
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/*
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** Get the host' path separator.
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** Paths are assumed to be of the form:
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** <directory>[<sep><directory>]*
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*/
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NSPR_API(char) PR_GetPathSeparator(void);
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/* Types of information available via PR_GetSystemInfo(...) */
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typedef enum {
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PR_SI_HOSTNAME,
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PR_SI_SYSNAME,
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PR_SI_RELEASE,
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PR_SI_ARCHITECTURE
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} PRSysInfo;
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/*
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** If successful returns a null termintated string in 'buf' for
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** the information indicated in 'cmd'. If unseccussful the reason for
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** the failure can be retrieved from PR_GetError().
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**
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** The buffer is allocated by the caller and should be at least
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** SYS_INFO_BUFFER_LENGTH bytes in length.
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*/
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#define SYS_INFO_BUFFER_LENGTH 256
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NSPR_API(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen);
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/*
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** Return the number of bytes in a page
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*/
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NSPR_API(PRInt32) PR_GetPageSize(void);
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/*
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** Return log2 of the size of a page
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*/
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NSPR_API(PRInt32) PR_GetPageShift(void);
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/*
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** PR_GetNumberOfProcessors() -- returns the number of CPUs
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**
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** Description:
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** PR_GetNumberOfProcessors() extracts the number of processors
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** (CPUs available in an SMP system) and returns the number.
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**
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** Parameters:
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** none
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**
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** Returns:
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** The number of available processors or -1 on error
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**
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*/
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NSPR_API(PRInt32) PR_GetNumberOfProcessors( void );
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/*
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** PR_GetPhysicalMemorySize() -- returns the amount of system RAM
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**
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** Description:
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** PR_GetPhysicalMemorySize() determines the amount of physical RAM
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** in the system and returns the size in bytes.
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**
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** Parameters:
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** none
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**
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** Returns:
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** The amount of system RAM, or 0 on failure.
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**
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*/
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NSPR_API(PRUint64) PR_GetPhysicalMemorySize(void);
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PR_END_EXTERN_C
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#endif /* prsystem_h___ */
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