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Kernel: read()/write() should respect timeouts when used on a sockets

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Move timeout management to the ReadBlocker and WriteBlocker classes.
Also get rid of the specialized ReceiveBlocker since it no longer does
anything that ReadBlocker can't do.
This commit is contained in:
Andreas Kling 2020-01-26 17:54:23 +01:00
parent d1721c761e
commit 137a45dff2
7 changed files with 48 additions and 57 deletions
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11
Kernel/Thread.h
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@ -167,13 +167,6 @@ public:
virtual const char* state_string() const override { return "Accepting"; }
};
class ReceiveBlocker final : public FileDescriptionBlocker {
public:
explicit ReceiveBlocker(const FileDescription&);
virtual bool should_unblock(Thread&, time_t, long) override;
virtual const char* state_string() const override { return "Receiving"; }
};
class ConnectBlocker final : public FileDescriptionBlocker {
public:
explicit ConnectBlocker(const FileDescription&);
@ -186,6 +179,8 @@ public:
explicit WriteBlocker(const FileDescription&);
virtual bool should_unblock(Thread&, time_t, long) override;
virtual const char* state_string() const override { return "Writing"; }
private:
Optional<timeval> m_deadline;
};
class ReadBlocker final : public FileDescriptionBlocker {
@ -193,6 +188,8 @@ public:
explicit ReadBlocker(const FileDescription&);
virtual bool should_unblock(Thread&, time_t, long) override;
virtual const char* state_string() const override { return "Reading"; }
private:
Optional<timeval> m_deadline;
};
class ConditionBlocker final : public Blocker {