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* Initial versions, to allow support for uname in posix.pp

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This commit is contained in:
marco 2002-08-08 11:39:30 +00:00
parent e1031b6b30
commit b9f92442be
2 changed files with 217 additions and 0 deletions
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68
rtl/bsd/bsduname.inc Normal file
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{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 2001 by Free Pascal development team
An *BSD implementation of Uname based on the SYSCTL call.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
function uname(var name:utsname):cint;
Var
mib : array[0..1] of cint;
rval : cint;
len : size_t;
i : longint;
oerrno : cint;
procedure Doone(pz:pchar;pzsize:cint;val1,val2:cint);
Begin
mib[0] := val1;
mib[1] := val2;
len := pzsize;
oerrno := errno;
if (sysctl(@mib, 2, pz, @len, NIL, 0) = -1) Then
Begin
if (errno = sys_ENOMEM) Then
errno := oerrno
else
rval := -1;
End;
pz[pzsize- 1] := #0;
End;
Begin
rval := 0;
DoOne(@name.sysname,sizeof(name.sysname),CTL_KERN,KERN_OSTYPE);
DoOne(@name.nodename,sizeof(name.nodename),CTL_KERN,KERN_HOSTNAME);
DoOne(@name.release,sizeof(name.release),CTL_KERN,KERN_OSRELEASE);
{ The version may have newlines in it, turn them into spaces. }
DoOne(@name.version,sizeof(name.version),CTL_KERN,KERN_VERSION);
For I:=0 to sizeof(name.sysname)-2 Do
If (name.version[i]=#13) or (name.version[i]=#9) Then
name.version[i]:=' ';
DoOne(@name.machine,sizeof(name.machine),CTL_HW,HW_MACHINE);
Uname:=rval;
end;
{
$Log$
Revision 1.1 2002-08-08 11:39:30 marco
* Initial versions, to allow support for uname in posix.pp
}

149
rtl/bsd/sysctl.pp Normal file
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Unit sysctl;
{ $Id$
This file is part of the Free Pascal run time library.
(c) 2002 by Marco van de Voort
member of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
sysctl.h header conversion, taken from FreeBSD 4.6, mainly as base
to implement UNAME on.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY;without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
}
Interface
{$I ptypes.inc}
{$Packrecords C}
type psize_t=^size_t;
{
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Mike Karels at Berkeley Software Design, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)sysctl.h 8.1 (Berkeley) 6/2/93
* $FreeBSD: src/sys/sys/sysctl.h,v 1.81.2.8 2002/03/17 11:08:38 alfred Exp $
}
TYPE CtlNameRec = Record
Name: ansistring; {String[LongestStringInCtlNames]}
CtlType:cint;
end;
{$I sysctlh.inc}
// sysctl only one that is tested. user_definable part of the sysctl
// function is not implemented
//
function sys_sysctl (Name: pchar; namelen:cuint; oldp:pointer;oldlenp:psize_t; newp:pointer;newlen:size_t):cint;
function sys_sysctlbyname (Name: pchar; oldp:pointer;oldlenp:psize_t; newp:pointer;newlen:size_t):cint;
function sys_sysctlnametomib (Name: pchar; mibp:plongint;sizep:psize_t):cint;
Implementation
{$ifdef VER1_0}
Uses Linux; // yuck, I know.
{$else}
Uses Unix; {Syscall functions}
{$endif}
{temporarily}
{$ifdef FreeBSD}
CONST syscall_nr___sysctl = 202;
{$endif}
function sys_sysctl (Name: pchar; namelen:cuint; oldp:pointer;oldlenp:psize_t; newp:pointer;newlen:size_t):cint;
Begin
if (name[0] <> chr(CTL_USER)) Then
exit(do_syscall(syscall_nr___sysctl,longint(name), namelen, longint(oldp), longint(oldlenp), longint(newp), longint(newlen)))
else
Exit(0);
End;
function sys_sysctlbyname (Name: pchar; oldp:pointer;oldlenp:psize_t; newp:pointer;newlen:size_t):cint;
Var
name2oid_oid : array[0..1] of cint;
real_oid : array[0..CTL_MAXNAME+1] of cint;
error : cint;
oidlen : size_t;
Begin
name2oid_oid[0] := 0; {This is magic & undocumented! }
name2oid_oid[1] := 3;
oidlen := sizeof(real_oid);
error := sys_sysctl(@name2oid_oid, 2, @real_oid, @oidlen, name,
strlen(name));
if (error < 0) Then
Exit(error);
oidlen := Oidlen DIV sizeof (cint);
error := sys_sysctl(@real_oid, oidlen, oldp, oldlenp, newp, newlen);
exit(error);
End;
function sys_sysctlnametomib (Name: pchar; mibp:plongint;sizep:psize_t):cint;
Var oid : array[0..1] OF cint;
error : cint;
Begin
oid[0] := 0;
oid[1] := 3;
sizep^:=sizep^*sizeof(cint);
error := sys_sysctl(@oid, 2, mibp, sizep, name, strlen(name));
sizep^ := sizep^ div sizeof (cint);
if (error < 0) Then
Exit (error);
sys_sysctlnametomib:=0;
End;
end.
{
$Log$
Revision 1.1 2002-08-08 11:39:30 marco
* Initial versions, to allow support for uname in posix.pp
}