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Kernel: Make File::write() and File::read() return KResultOr<size_t>
Instead of returning a ssize_t where negative values mean error, we now return KResultOr<size_t> and use the error state to report errors exclusively.
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58feebeed2
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7a3ab6c517
58 changed files with 223 additions and 229 deletions
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@ -107,8 +107,8 @@ public:
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virtual bool is_ipv4() const { return false; }
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virtual void attach(FileDescription&) = 0;
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virtual void detach(FileDescription&) = 0;
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virtual ssize_t sendto(FileDescription&, const void*, size_t, int flags, const sockaddr*, socklen_t) = 0;
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virtual ssize_t recvfrom(FileDescription&, void*, size_t, int flags, sockaddr*, socklen_t*) = 0;
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virtual KResultOr<size_t> sendto(FileDescription&, const void*, size_t, int flags, const sockaddr*, socklen_t) = 0;
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virtual KResultOr<size_t> recvfrom(FileDescription&, void*, size_t, int flags, sockaddr*, socklen_t*) = 0;
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virtual KResult setsockopt(int level, int option, const void*, socklen_t);
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virtual KResult getsockopt(FileDescription&, int level, int option, void*, socklen_t*);
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@ -124,8 +124,8 @@ public:
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Lock& lock() { return m_lock; }
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// ^File
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virtual ssize_t read(FileDescription&, size_t, u8*, ssize_t) override final;
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virtual ssize_t write(FileDescription&, size_t, const u8*, ssize_t) override final;
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virtual KResultOr<size_t> read(FileDescription&, size_t, u8*, size_t) override final;
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virtual KResultOr<size_t> write(FileDescription&, size_t, const u8*, size_t) override final;
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virtual String absolute_path(const FileDescription&) const override = 0;
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bool has_receive_timeout() const { return m_receive_timeout.tv_sec || m_receive_timeout.tv_usec; }
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