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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/Socket.cpp
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@ -178,14 +178,14 @@ KResult Socket::getsockopt(FileDescription&, int level, int option, void* value,
}
}
ssize_t Socket::read(FileDescription& description, size_t, u8* buffer, ssize_t size)
KResultOr<size_t> Socket::read(FileDescription& description, size_t, u8* buffer, size_t size)
{
if (is_shut_down_for_reading())
return 0;
return recvfrom(description, buffer, size, 0, nullptr, 0);
}
ssize_t Socket::write(FileDescription& description, size_t, const u8* data, ssize_t size)
KResultOr<size_t> Socket::write(FileDescription& description, size_t, const u8* data, size_t size)
{
if (is_shut_down_for_writing())
return -EPIPE;