nsprpub/pr/include/prsystem.h@6474c204b198
nsprpub/pr/include/prsystem.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef prsystem_h___
7 #define prsystem_h___
9 /*
10 ** API to NSPR functions returning system info.
11 */
12 #include "prtypes.h"
14 PR_BEGIN_EXTERN_C
16 /*
17 ** Get the host' directory separator.
18 ** Pathnames are then assumed to be of the form:
19 ** [<sep><root_component><sep>]*(<component><sep>)<leaf_name>
20 */
22 NSPR_API(char) PR_GetDirectorySeparator(void);
24 /*
25 ** OBSOLETE -- the function name is misspelled.
26 ** Use PR_GetDirectorySeparator instead.
27 */
29 NSPR_API(char) PR_GetDirectorySepartor(void);
31 /*
32 ** Get the host' path separator.
33 ** Paths are assumed to be of the form:
34 ** <directory>[<sep><directory>]*
35 */
37 NSPR_API(char) PR_GetPathSeparator(void);
39 /* Types of information available via PR_GetSystemInfo(...) */
40 typedef enum {
41 PR_SI_HOSTNAME, /* the hostname with the domain name (if any)
42 * removed */
43 PR_SI_SYSNAME,
44 PR_SI_RELEASE,
45 PR_SI_ARCHITECTURE,
46 PR_SI_HOSTNAME_UNTRUNCATED /* the hostname exactly as configured
47 * on the system */
48 } PRSysInfo;
51 /*
52 ** If successful returns a null termintated string in 'buf' for
53 ** the information indicated in 'cmd'. If unseccussful the reason for
54 ** the failure can be retrieved from PR_GetError().
55 **
56 ** The buffer is allocated by the caller and should be at least
57 ** SYS_INFO_BUFFER_LENGTH bytes in length.
58 */
60 #define SYS_INFO_BUFFER_LENGTH 256
62 NSPR_API(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen);
64 /*
65 ** Return the number of bytes in a page
66 */
67 NSPR_API(PRInt32) PR_GetPageSize(void);
69 /*
70 ** Return log2 of the size of a page
71 */
72 NSPR_API(PRInt32) PR_GetPageShift(void);
74 /*
75 ** PR_GetNumberOfProcessors() -- returns the number of CPUs
76 **
77 ** Description:
78 ** PR_GetNumberOfProcessors() extracts the number of processors
79 ** (CPUs available in an SMP system) and returns the number.
80 **
81 ** Parameters:
82 ** none
83 **
84 ** Returns:
85 ** The number of available processors or -1 on error
86 **
87 */
88 NSPR_API(PRInt32) PR_GetNumberOfProcessors( void );
90 /*
91 ** PR_GetPhysicalMemorySize() -- returns the amount of system RAM
92 **
93 ** Description:
94 ** PR_GetPhysicalMemorySize() determines the amount of physical RAM
95 ** in the system and returns the size in bytes.
96 **
97 ** Parameters:
98 ** none
99 **
100 ** Returns:
101 ** The amount of system RAM, or 0 on failure.
102 **
103 */
104 NSPR_API(PRUint64) PR_GetPhysicalMemorySize(void);
106 PR_END_EXTERN_C
108 #endif /* prsystem_h___ */
