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sortix--sortix/sortix/descriptors.h
Jonas 'Sortie' Termansen db79994e64 Refactored all the sortix headers into a include directory.
Also got rid of trailing white space. That corrupted .git/.

Big ass-commit because of recovered .git directory.
2012-03-22 00:52:29 +01:00

71 lines
1.7 KiB
C++

/*******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
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 DescriptorEntry
{
Device* dev;
int flags;
};
class DescriptorTable
{
public:
DescriptorTable();
~DescriptorTable();
private:
int numdevices;
DescriptorEntry* devices;
public:
int Allocate(Device* object);
int Reserve();
void Free(int index);
void UseReservation(int index, Device* object);
bool Fork(DescriptorTable* forkinto);
void OnExecute();
void Reset();
void SetFlags(int index, int flags);
int GetFlags(int index);
public:
inline Device* Get(int index)
{
if ( !devices ) { return NULL; }
if ( index < 0 || numdevices <= index ) { return NULL; }
return devices[index].dev;
}
};
}
#endif