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| 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/. */ | |
| 5 | |
| 6 #ifndef prsystem_h___ | |
| 7 #define prsystem_h___ | |
| 8 | |
| 9 /* | |
| 10 ** API to NSPR functions returning system info. | |
| 11 */ | |
| 12 #include "prtypes.h" | |
| 13 | |
| 14 PR_BEGIN_EXTERN_C | |
| 15 | |
| 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 */ | |
| 21 | |
| 22 NSPR_API(char) PR_GetDirectorySeparator(void); | |
| 23 | |
| 24 /* | |
| 25 ** OBSOLETE -- the function name is misspelled. | |
| 26 ** Use PR_GetDirectorySeparator instead. | |
| 27 */ | |
| 28 | |
| 29 NSPR_API(char) PR_GetDirectorySepartor(void); | |
| 30 | |
| 31 /* | |
| 32 ** Get the host' path separator. | |
| 33 ** Paths are assumed to be of the form: | |
| 34 ** <directory>[<sep><directory>]* | |
| 35 */ | |
| 36 | |
| 37 NSPR_API(char) PR_GetPathSeparator(void); | |
| 38 | |
| 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; | |
| 49 | |
| 50 | |
| 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 */ | |
| 59 | |
| 60 #define SYS_INFO_BUFFER_LENGTH 256 | |
| 61 | |
| 62 NSPR_API(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen); | |
| 63 | |
| 64 /* | |
| 65 ** Return the number of bytes in a page | |
| 66 */ | |
| 67 NSPR_API(PRInt32) PR_GetPageSize(void); | |
| 68 | |
| 69 /* | |
| 70 ** Return log2 of the size of a page | |
| 71 */ | |
| 72 NSPR_API(PRInt32) PR_GetPageShift(void); | |
| 73 | |
| 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 ); | |
| 89 | |
| 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); | |
| 105 | |
| 106 PR_END_EXTERN_C | |
| 107 | |
| 108 #endif /* prsystem_h___ */ | |
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Chromium Code Reviews
Issue 2078763002:
Delete bundled copy of NSS and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/nss@master