sortix-mirror/sortix/descriptors.h

65 lines
1.5 KiB
C++

/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix 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. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with Sortix. If not, see <http://www.gnu.org/licenses/>.
descriptors.h
Handles file descriptors, socket descriptors, and whatnot for each process.
******************************************************************************/
#ifndef SORTIX_DESCRIPTORS_H
#define SORTIX_DESCRIPTORS_H
namespace Sortix
{
class Device;
struct Description
{
nat type;
Device* object;
};
class DescriptorTable
{
public:
DescriptorTable();
~DescriptorTable();
private:
int _numDescs
Description* _descs;
public:
int Reserve();
void UseReservation(int index, Device* object);
int Allocate(Device* object;
bool Free(int index);
public:
inline Description* get(int index)
{
if ( _numDescs <= index ) { return NULL; }
return _descs + index;
}
};
}
#endif