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109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef prsystem_h___
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#define prsystem_h___
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/*
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** API to NSPR functions returning system info.
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*/
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#include "prtypes.h"
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PR_BEGIN_EXTERN_C
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/*
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** Get the host' directory separator.
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** Pathnames are then assumed to be of the form:
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** [<sep><root_component><sep>]*(<component><sep>)<leaf_name>
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*/
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NSPR_API(char) PR_GetDirectorySeparator(void);
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/*
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** OBSOLETE -- the function name is misspelled.
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** Use PR_GetDirectorySeparator instead.
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*/
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NSPR_API(char) PR_GetDirectorySepartor(void);
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/*
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** Get the host' path separator.
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** Paths are assumed to be of the form:
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** <directory>[<sep><directory>]*
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*/
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NSPR_API(char) PR_GetPathSeparator(void);
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/* Types of information available via PR_GetSystemInfo(...) */
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typedef enum {
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PR_SI_HOSTNAME, /* the hostname with the domain name (if any)
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* removed */
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PR_SI_SYSNAME,
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PR_SI_RELEASE,
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PR_SI_ARCHITECTURE,
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PR_SI_HOSTNAME_UNTRUNCATED /* the hostname exactly as configured
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* on the system */
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} PRSysInfo;
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/*
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** If successful returns a null termintated string in 'buf' for
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** the information indicated in 'cmd'. If unseccussful the reason for
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** the failure can be retrieved from PR_GetError().
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**
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** The buffer is allocated by the caller and should be at least
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** SYS_INFO_BUFFER_LENGTH bytes in length.
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*/
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#define SYS_INFO_BUFFER_LENGTH 256
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NSPR_API(PRStatus) PR_GetSystemInfo(PRSysInfo cmd, char *buf, PRUint32 buflen);
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/*
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** Return the number of bytes in a page
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*/
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NSPR_API(PRInt32) PR_GetPageSize(void);
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/*
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** Return log2 of the size of a page
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*/
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NSPR_API(PRInt32) PR_GetPageShift(void);
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/*
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** PR_GetNumberOfProcessors() -- returns the number of CPUs
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**
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** Description:
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** PR_GetNumberOfProcessors() extracts the number of processors
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** (CPUs available in an SMP system) and returns the number.
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**
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** Parameters:
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** none
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**
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** Returns:
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** The number of available processors or -1 on error
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**
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*/
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NSPR_API(PRInt32) PR_GetNumberOfProcessors( void );
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/*
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** PR_GetPhysicalMemorySize() -- returns the amount of system RAM
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**
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** Description:
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** PR_GetPhysicalMemorySize() determines the amount of physical RAM
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** in the system and returns the size in bytes.
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**
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** Parameters:
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** none
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**
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** Returns:
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** The amount of system RAM, or 0 on failure.
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**
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*/
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NSPR_API(PRUint64) PR_GetPhysicalMemorySize(void);
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PR_END_EXTERN_C
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#endif /* prsystem_h___ */
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