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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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