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Kernel: Make it possible to look up FIFO's by ID.
This will be useful when implementing the /proc/PID/fd/N links where N is a file descriptor referring to a FIFO.
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4 changed files with 43 additions and 8 deletions
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@ -11,7 +11,12 @@ public:
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Neither, Reader, Writer
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};
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static Retained<FIFO> create();
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static RetainPtr<FIFO> from_fifo_id(dword);
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static Retained<FIFO> create(uid_t);
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~FIFO();
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uid_t uid() const { return m_uid; }
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void open(Direction);
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void close(Direction);
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@ -23,9 +28,11 @@ public:
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bool can_write() const;
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private:
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FIFO();
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explicit FIFO(uid_t);
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unsigned m_writers { 0 };
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unsigned m_readers { 0 };
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DoubleBuffer m_buffer;
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uid_t m_uid { 0 };
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};
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