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Kernel/Devices: Defer creation of SysFS component after the constructor

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Instead of doing so in the constructor, let's do immediately after the
constructor, so we can safely pass a reference of a Device, so the
SysFSDeviceComponent constructor can use that object to identify whether
it's a block device or a character device.
This allows to us to not hold a device in SysFSDeviceComponent with a
RefPtr.
Also, we also call the before_removing method in both SlavePTY::unref
and File::unref, so because Device has that method being overrided, it
can ensure the device is removed always cleanly.
This commit is contained in:
Liav A 2021-09-10 14:44:46 +03:00 • committed by Andreas Kling
parent c545d4ffcb
commit f5de4f24b2
41 changed files with 142 additions and 57 deletions
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2
Kernel/TTY/MasterPTY.cpp
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@ -22,6 +22,8 @@ KResultOr<NonnullRefPtr<MasterPTY>> MasterPTY::try_create(unsigned int index)
auto master_pty = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) MasterPTY(index, move(buffer))));
auto slave_pty = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) SlavePTY(*master_pty, index)));
master_pty->m_slave = slave_pty;
master_pty->after_inserting();
slave_pty->after_inserting();
return master_pty;
}