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Kernel: Add TCPSocket::try_for_each() for fallible iteration

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This API will allow users to short circuit iteration and properly
propagate errors.
This commit is contained in:
Idan Horowitz
2022-02-24 20:05:24 +02:00
committed by Andreas Kling
parent 24be52b3f5
commit aabc8d348b
2 changed files with 10 additions and 0 deletions
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9
Kernel/Net/TCPSocket.cpp
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@@ -29,6 +29,15 @@ void TCPSocket::for_each(Function<void(const TCPSocket&)> callback)
});
}
ErrorOr<void> TCPSocket::try_for_each(Function<ErrorOr<void>(const TCPSocket&)> callback)
{
return sockets_by_tuple().with_shared([&](const auto& sockets) -> ErrorOr<void> {
for (auto& it : sockets)
TRY(callback(*it.value));
return {};
});
}
bool TCPSocket::unref() const
{
bool did_hit_zero = sockets_by_tuple().with_exclusive([&](auto& table) {