mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-21 18:37:58 +03:00
acccf9ccda
Previously, VFS stored a list of all devices, and devices had to register and unregister themselves with it. This cleans up things a bit.
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
#include <Kernel/Devices/Device.h>
|
|
#include <Kernel/FileSystem/InodeMetadata.h>
|
|
#include <LibC/errno_numbers.h>
|
|
|
|
static HashMap<u32, Device*>* s_all_devices;
|
|
|
|
HashMap<u32, Device*>& Device::all_devices()
|
|
{
|
|
if (s_all_devices == nullptr)
|
|
s_all_devices = new HashMap<u32, Device*>;
|
|
return *s_all_devices;
|
|
}
|
|
|
|
void Device::for_each(Function<void(Device&)> callback)
|
|
{
|
|
for (auto& entry : all_devices())
|
|
callback(*entry.value);
|
|
}
|
|
|
|
Device* Device::get_device(unsigned major, unsigned minor)
|
|
{
|
|
auto it = all_devices().find(encoded_device(major, minor));
|
|
if (it == all_devices().end())
|
|
return nullptr;
|
|
return it->value;
|
|
}
|
|
|
|
Device::Device(unsigned major, unsigned minor)
|
|
: m_major(major)
|
|
, m_minor(minor)
|
|
{
|
|
all_devices().set(encoded_device(m_major, m_minor), this);
|
|
}
|
|
|
|
Device::~Device()
|
|
{
|
|
all_devices().remove(encoded_device(m_major, m_minor));
|
|
}
|
|
|
|
String Device::absolute_path() const
|
|
{
|
|
return String::format("device:%u,%u (%s)", m_major, m_minor, class_name());
|
|
}
|
|
|
|
String Device::absolute_path(const FileDescription&) const
|
|
{
|
|
return absolute_path();
|
|
}
|