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| 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 | |
| 43 PR_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 | |
| 51 NSPR_API(char) PR_GetDirectorySeparator(void); | |
| 52 | |
| 53 /* | |
| 54 ** OBSOLETE -- the function name is misspelled. | |
| 55 ** Use PR_GetDirectorySeparator instead. | |
| 56 */ | |
| 57 | |
| 58 NSPR_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 | |
| 66 NSPR_API(char) PR_GetPathSeparator(void); | |
| 67 | |
| 68 /* Types of information available via PR_GetSystemInfo(...) */ | |
| 69 typedef 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 | |
| 88 NSPR_API(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen); | |
| 89 | |
| 90 /* | |
| 91 ** Return the number of bytes in a page | |
| 92 */ | |
| 93 NSPR_API(PRInt32) PR_GetPageSize(void); | |
| 94 | |
| 95 /* | |
| 96 ** Return log2 of the size of a page | |
| 97 */ | |
| 98 NSPR_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 */ | |
| 114 NSPR_API(PRInt32) PR_GetNumberOfProcessors( void ); | |
| 115 | |
| 116 PR_END_EXTERN_C | |
| 117 | |
| 118 #endif /* prsystem_h___ */ | |
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