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Kernel: Give each FileDescriptor a chance to co-open sockets.
Track how many fds are open for a socket's Accepted and Connected roles. This allows fork() to clone a socket fd without a subsequent close() walking all over the parent process's fd.
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6 changed files with 51 additions and 27 deletions
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@ -13,7 +13,8 @@ public:
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virtual bool bind(const sockaddr*, socklen_t, int& error) override;
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virtual bool connect(const sockaddr*, socklen_t, int& error) override;
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virtual bool get_address(sockaddr*, socklen_t*) override;
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virtual void close(SocketRole) override;
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virtual void attach_fd(SocketRole) override;
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virtual void detach_fd(SocketRole) override;
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virtual bool can_read(SocketRole) const override;
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virtual ssize_t read(SocketRole, byte*, size_t) override;
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virtual ssize_t write(SocketRole, const byte*, size_t) override;
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@ -27,8 +28,8 @@ private:
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RetainPtr<LocalSocket> m_peer;
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bool m_bound { false };
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bool m_server_closed { false };
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bool m_client_closed { false };
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int m_accepted_fds_open { 0 };
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int m_connected_fds_open { 0 };
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sockaddr_un m_address;
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DoubleBuffer m_for_client;
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