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AK: Add Eternal<T> and use it in various places.
This is useful for static locals that never need to be destroyed: Thing& Thing::the() { static Eternal<Thing> the; return the; } The object will be allocated in data segment memory and will never have its destructor invoked.
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528054d192
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23 changed files with 78 additions and 81 deletions
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@ -1,11 +1,10 @@
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#include <Kernel/Net/LoopbackAdapter.h>
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#include <AK/Eternal.h>
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LoopbackAdapter& LoopbackAdapter::the()
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{
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static LoopbackAdapter* the;
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if (!the)
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the = new LoopbackAdapter;
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return *the;
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static Eternal<LoopbackAdapter> the;
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return the;
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}
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LoopbackAdapter::LoopbackAdapter()
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@ -6,12 +6,11 @@ class LoopbackAdapter final : public NetworkAdapter {
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AK_MAKE_ETERNAL
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public:
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static LoopbackAdapter& the();
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virtual ~LoopbackAdapter() override;
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LoopbackAdapter();
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virtual void send_raw(const byte*, int) override;
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virtual const char* class_name() const override { return "LoopbackAdapter"; }
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private:
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LoopbackAdapter();
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virtual ~LoopbackAdapter() override;
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};
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@ -12,7 +12,7 @@
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#include <Kernel/Process.h>
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#include <Kernel/Net/EtherType.h>
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#include <Kernel/Lock.h>
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#include <AK/Eternal.h>
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//#define ETHERNET_DEBUG
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#define IPV4_DEBUG
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@ -28,10 +28,8 @@ static void handle_tcp(const EthernetFrameHeader&, int frame_size);
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Lockable<HashMap<IPv4Address, MACAddress>>& arp_table()
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{
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static Lockable<HashMap<IPv4Address, MACAddress>>* the;
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if (!the)
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the = new Lockable<HashMap<IPv4Address, MACAddress>>;
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return *the;
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static Eternal<Lockable<HashMap<IPv4Address, MACAddress>>> the;
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return the;
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}
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void NetworkTask_main()
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