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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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4
Kernel/TTY/SlavePTY.cpp
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@ -28,8 +28,10 @@ bool SlavePTY::unref() const
m_list_node.remove();
return true;
});
if (did_hit_zero)
if (did_hit_zero) {
const_cast<SlavePTY&>(*this).before_removing();
delete this;
}
return did_hit_zero;
}