1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2/* 3 * The contents of this file are subject to the Mozilla Public 4 * License Version 1.1 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of 6 * the License at http://www.mozilla.org/MPL/ 7 * 8 * Software distributed under the License is distributed on an "AS 9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 10 * implied. See the License for the specific language governing 11 * rights and limitations under the License. 12 * 13 * The Original Code is the Netscape Portable Runtime (NSPR). 14 * 15 * The Initial Developer of the Original Code is Netscape 16 * Communications Corporation. Portions created by Netscape are 17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All 18 * Rights Reserved. 19 * 20 * Contributor(s): 21 * 22 * Alternatively, the contents of this file may be used under the 23 * terms of the GNU General Public License Version 2 or later (the 24 * "GPL"), in which case the provisions of the GPL are applicable 25 * instead of those above. If you wish to allow use of your 26 * version of this file only under the terms of the GPL and not to 27 * allow others to use your version of this file under the MPL, 28 * indicate your decision by deleting the provisions above and 29 * replace them with the notice and other provisions required by 30 * the GPL. If you do not delete the provisions above, a recipient 31 * may use your version of this file under either the MPL or the 32 * GPL. 33 */ 34 35#ifndef prsystem_h___ 36#define prsystem_h___ 37 38/* 39** API to NSPR functions returning system info. 40*/ 41#include "prtypes.h" 42 43PR_BEGIN_EXTERN_C 44 45/* 46** Get the host' directory separator. 47** Pathnames are then assumed to be of the form: 48** [<sep><root_component><sep>]*(<component><sep>)<leaf_name> 49*/ 50 51NSPR_API(char) PR_GetDirectorySeparator(void); 52 53/* 54** OBSOLETE -- the function name is misspelled. 55** Use PR_GetDirectorySeparator instead. 56*/ 57 58NSPR_API(char) PR_GetDirectorySepartor(void); 59 60/* 61** Get the host' path separator. 62** Paths are assumed to be of the form: 63** <directory>[<sep><directory>]* 64*/ 65 66NSPR_API(char) PR_GetPathSeparator(void); 67 68/* Types of information available via PR_GetSystemInfo(...) */ 69typedef enum { 70 PR_SI_HOSTNAME, 71 PR_SI_SYSNAME, 72 PR_SI_RELEASE, 73 PR_SI_ARCHITECTURE 74} PRSysInfo; 75 76 77/* 78** If successful returns a null termintated string in 'buf' for 79** the information indicated in 'cmd'. If unseccussful the reason for 80** the failure can be retrieved from PR_GetError(). 81** 82** The buffer is allocated by the caller and should be at least 83** SYS_INFO_BUFFER_LENGTH bytes in length. 84*/ 85 86#define SYS_INFO_BUFFER_LENGTH 256 87 88NSPR_API(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen); 89 90/* 91** Return the number of bytes in a page 92*/ 93NSPR_API(PRInt32) PR_GetPageSize(void); 94 95/* 96** Return log2 of the size of a page 97*/ 98NSPR_API(PRInt32) PR_GetPageShift(void); 99 100/* 101** PR_GetNumberOfProcessors() -- returns the number of CPUs 102** 103** Description: 104** PR_GetNumberOfProcessors() extracts the number of processors 105** (CPUs available in an SMP system) and returns the number. 106** 107** Parameters: 108** none 109** 110** Returns: 111** The number of available processors or -1 on error 112** 113*/ 114NSPR_API(PRInt32) PR_GetNumberOfProcessors( void ); 115 116PR_END_EXTERN_C 117 118#endif /* prsystem_h___ */ 119