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71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
/*******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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descriptors.h
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Handles file descriptors, socket descriptors, and whatnot for each process.
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*******************************************************************************/
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#ifndef SORTIX_DESCRIPTORS_H
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#define SORTIX_DESCRIPTORS_H
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namespace Sortix
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{
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class Device;
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struct DescriptorEntry
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{
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Device* dev;
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int flags;
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};
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class DescriptorTable
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{
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public:
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DescriptorTable();
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~DescriptorTable();
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private:
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int numdevices;
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DescriptorEntry* devices;
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public:
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int Allocate(Device* object);
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int Reserve();
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void Free(int index);
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void UseReservation(int index, Device* object);
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bool Fork(DescriptorTable* forkinto);
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void OnExecute();
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void Reset();
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void SetFlags(int index, int flags);
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int GetFlags(int index);
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public:
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inline Device* Get(int index)
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{
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if ( !devices ) { return NULL; }
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if ( index < 0 || numdevices <= index ) { return NULL; }
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return devices[index].dev;
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}
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};
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}
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#endif
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