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Kernel+LibC+UserspaceEmulator: Mostly add recvmsg(), sendmsg()

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The implementation only supports a single iovec for now.
Some might say having more than one iovec is the main point of
recvmsg() and sendmsg(), but I'm interested in the control message
bits.
This commit is contained in:
Nico Weber 2020-09-16 11:45:00 -04:00 • committed by Andreas Kling
parent 19f2203b53
commit b36a2d6686
9 changed files with 158 additions and 79 deletions
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6
Kernel/StdLib.h
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@ -76,6 +76,12 @@ template<typename T>
return copy_from_user(dest, src.unsafe_userspace_ptr(), sizeof(T));
}
template<typename T>
[[nodiscard]] inline bool copy_from_user(T* dest, Userspace<T*> src)
{
return copy_from_user(dest, src.unsafe_userspace_ptr(), sizeof(T));
}
template<typename T>
[[nodiscard]] inline bool copy_to_user(Userspace<T*> dest, const T* src)
{