blob: 59ff194d6526cc0d950fd1b31631f9d4226c8b62 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
#pragma once
#include <Kernel/Devices/CharacterDevice.h>
#include <AK/Badge.h>
#include <Kernel/Lock.h>
class MasterPTY;
class PTYMultiplexer final : public CharacterDevice {
AK_MAKE_ETERNAL
public:
PTYMultiplexer();
virtual ~PTYMultiplexer() override;
static PTYMultiplexer& the();
// ^CharacterDevice
virtual KResultOr<Retained<FileDescriptor>> open(int options) override;
virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override { return 0; }
virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override { return 0; }
virtual bool can_read(FileDescriptor&) const override { return true; }
virtual bool can_write(FileDescriptor&) const override { return true; }
void notify_master_destroyed(Badge<MasterPTY>, unsigned index);
private:
// ^CharacterDevice
virtual const char* class_name() const override { return "PTYMultiplexer"; }
Lock m_lock;
Vector<unsigned> m_freelist;
};
|