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