| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Mozilla Public License Version
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| 6 | * 1.1 (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/MPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is the Netscape Portable Runtime (NSPR).
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998-2000
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | *
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| 24 | * Alternatively, the contents of this file may be used under the terms of
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| 25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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| 26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | * of those above. If you wish to allow use of your version of this file only
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| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | * use your version of this file under the terms of the MPL, indicate your
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| 31 | * decision by deleting the provisions above and replace them with the notice
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| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | * the provisions above, a recipient may use your version of this file under
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| 34 | * the terms of any one of the MPL, the GPL or the LGPL.
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| 35 | *
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| 36 | * ***** END LICENSE BLOCK ***** */
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| 37 |
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| 38 | #ifndef prsystem_h___
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| 39 | #define prsystem_h___
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| 40 |
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| 41 | /*
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| 42 | ** API to NSPR functions returning system info.
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| 43 | */
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| 44 | #include "prtypes.h"
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| 45 |
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| 46 | PR_BEGIN_EXTERN_C
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| 47 |
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| 48 | /*
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| 49 | ** Get the host' directory separator.
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| 50 | ** Pathnames are then assumed to be of the form:
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| 51 | ** [<sep><root_component><sep>]*(<component><sep>)<leaf_name>
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| 52 | */
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| 53 |
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| 54 | NSPR_API(char) PR_GetDirectorySeparator(void);
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| 55 |
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| 56 | /*
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| 57 | ** OBSOLETE -- the function name is misspelled.
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| 58 | ** Use PR_GetDirectorySeparator instead.
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| 59 | */
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| 60 |
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| 61 | NSPR_API(char) PR_GetDirectorySepartor(void);
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| 62 |
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| 63 | /*
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| 64 | ** Get the host' path separator.
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| 65 | ** Paths are assumed to be of the form:
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| 66 | ** <directory>[<sep><directory>]*
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| 67 | */
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| 68 |
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| 69 | NSPR_API(char) PR_GetPathSeparator(void);
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| 70 |
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| 71 | /* Types of information available via PR_GetSystemInfo(...) */
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| 72 | typedef enum {
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| 73 | PR_SI_HOSTNAME,
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| 74 | PR_SI_SYSNAME,
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| 75 | PR_SI_RELEASE,
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| 76 | PR_SI_ARCHITECTURE
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| 77 | } PRSysInfo;
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| 78 |
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| 79 |
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| 80 | /*
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| 81 | ** If successful returns a null termintated string in 'buf' for
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| 82 | ** the information indicated in 'cmd'. If unseccussful the reason for
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| 83 | ** the failure can be retrieved from PR_GetError().
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| 84 | **
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| 85 | ** The buffer is allocated by the caller and should be at least
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| 86 | ** SYS_INFO_BUFFER_LENGTH bytes in length.
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| 87 | */
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| 88 |
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| 89 | #define SYS_INFO_BUFFER_LENGTH 256
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| 90 |
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| 91 | NSPR_API(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen);
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| 92 |
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| 93 | /*
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| 94 | ** Return the number of bytes in a page
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| 95 | */
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| 96 | NSPR_API(PRInt32) PR_GetPageSize(void);
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| 97 |
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| 98 | /*
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| 99 | ** Return log2 of the size of a page
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| 100 | */
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| 101 | NSPR_API(PRInt32) PR_GetPageShift(void);
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| 102 |
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| 103 | /*
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| 104 | ** PR_GetNumberOfProcessors() -- returns the number of CPUs
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| 105 | **
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| 106 | ** Description:
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| 107 | ** PR_GetNumberOfProcessors() extracts the number of processors
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| 108 | ** (CPUs available in an SMP system) and returns the number.
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| 109 | **
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| 110 | ** Parameters:
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| 111 | ** none
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| 112 | **
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| 113 | ** Returns:
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| 114 | ** The number of available processors or -1 on error
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| 115 | **
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| 116 | */
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| 117 | NSPR_API(PRInt32) PR_GetNumberOfProcessors( void );
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| 118 |
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| 119 | PR_END_EXTERN_C
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| 120 |
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| 121 | #endif /* prsystem_h___ */
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