1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/include/prsystem.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,108 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef prsystem_h___
1.10 +#define prsystem_h___
1.11 +
1.12 +/*
1.13 +** API to NSPR functions returning system info.
1.14 +*/
1.15 +#include "prtypes.h"
1.16 +
1.17 +PR_BEGIN_EXTERN_C
1.18 +
1.19 +/*
1.20 +** Get the host' directory separator.
1.21 +** Pathnames are then assumed to be of the form:
1.22 +** [<sep><root_component><sep>]*(<component><sep>)<leaf_name>
1.23 +*/
1.24 +
1.25 +NSPR_API(char) PR_GetDirectorySeparator(void);
1.26 +
1.27 +/*
1.28 +** OBSOLETE -- the function name is misspelled.
1.29 +** Use PR_GetDirectorySeparator instead.
1.30 +*/
1.31 +
1.32 +NSPR_API(char) PR_GetDirectorySepartor(void);
1.33 +
1.34 +/*
1.35 +** Get the host' path separator.
1.36 +** Paths are assumed to be of the form:
1.37 +** <directory>[<sep><directory>]*
1.38 +*/
1.39 +
1.40 +NSPR_API(char) PR_GetPathSeparator(void);
1.41 +
1.42 +/* Types of information available via PR_GetSystemInfo(...) */
1.43 +typedef enum {
1.44 + PR_SI_HOSTNAME, /* the hostname with the domain name (if any)
1.45 + * removed */
1.46 + PR_SI_SYSNAME,
1.47 + PR_SI_RELEASE,
1.48 + PR_SI_ARCHITECTURE,
1.49 + PR_SI_HOSTNAME_UNTRUNCATED /* the hostname exactly as configured
1.50 + * on the system */
1.51 +} PRSysInfo;
1.52 +
1.53 +
1.54 +/*
1.55 +** If successful returns a null termintated string in 'buf' for
1.56 +** the information indicated in 'cmd'. If unseccussful the reason for
1.57 +** the failure can be retrieved from PR_GetError().
1.58 +**
1.59 +** The buffer is allocated by the caller and should be at least
1.60 +** SYS_INFO_BUFFER_LENGTH bytes in length.
1.61 +*/
1.62 +
1.63 +#define SYS_INFO_BUFFER_LENGTH 256
1.64 +
1.65 +NSPR_API(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen);
1.66 +
1.67 +/*
1.68 +** Return the number of bytes in a page
1.69 +*/
1.70 +NSPR_API(PRInt32) PR_GetPageSize(void);
1.71 +
1.72 +/*
1.73 +** Return log2 of the size of a page
1.74 +*/
1.75 +NSPR_API(PRInt32) PR_GetPageShift(void);
1.76 +
1.77 +/*
1.78 +** PR_GetNumberOfProcessors() -- returns the number of CPUs
1.79 +**
1.80 +** Description:
1.81 +** PR_GetNumberOfProcessors() extracts the number of processors
1.82 +** (CPUs available in an SMP system) and returns the number.
1.83 +**
1.84 +** Parameters:
1.85 +** none
1.86 +**
1.87 +** Returns:
1.88 +** The number of available processors or -1 on error
1.89 +**
1.90 +*/
1.91 +NSPR_API(PRInt32) PR_GetNumberOfProcessors( void );
1.92 +
1.93 +/*
1.94 +** PR_GetPhysicalMemorySize() -- returns the amount of system RAM
1.95 +**
1.96 +** Description:
1.97 +** PR_GetPhysicalMemorySize() determines the amount of physical RAM
1.98 +** in the system and returns the size in bytes.
1.99 +**
1.100 +** Parameters:
1.101 +** none
1.102 +**
1.103 +** Returns:
1.104 +** The amount of system RAM, or 0 on failure.
1.105 +**
1.106 +*/
1.107 +NSPR_API(PRUint64) PR_GetPhysicalMemorySize(void);
1.108 +
1.109 +PR_END_EXTERN_C
1.110 +
1.111 +#endif /* prsystem_h___ */
