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Kernel: Make File::write() and File::read() return KResultOr<size_t>

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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.
This commit is contained in:
Andreas Kling 2020-08-04 18:02:23 +02:00
parent 58feebeed2
commit 7a3ab6c517
58 changed files with 223 additions and 229 deletions
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4
Kernel/Net/LocalSocket.h
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@ -60,8 +60,8 @@ public:
virtual void detach(FileDescription&) override;
virtual bool can_read(const FileDescription&, size_t) const override;
virtual bool can_write(const FileDescription&, size_t) const override;
virtual ssize_t sendto(FileDescription&, const void*, size_t, int, const sockaddr*, socklen_t) override;
virtual ssize_t recvfrom(FileDescription&, void*, size_t, int flags, sockaddr*, socklen_t*) override;
virtual KResultOr<size_t> sendto(FileDescription&, const void*, size_t, int, const sockaddr*, socklen_t) override;
virtual KResultOr<size_t> recvfrom(FileDescription&, void*, size_t, int flags, sockaddr*, socklen_t*) override;
virtual KResult getsockopt(FileDescription&, int level, int option, void*, socklen_t*) override;
virtual KResult chown(FileDescription&, uid_t, gid_t) override;
virtual KResult chmod(FileDescription&, mode_t) override;