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Kernel: Implement 'copy_time_from_user' functions to sanitize arguments
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@ -28,7 +28,9 @@
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#include <AK/Checked.h>
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#include <AK/Forward.h>
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#include <AK/Time.h>
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#include <AK/Userspace.h>
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#include <Kernel/UnixTypes.h>
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namespace Syscall {
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struct StringArgument;
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@ -36,6 +38,10 @@ struct StringArgument;
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[[nodiscard]] String copy_string_from_user(const char*, size_t);
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[[nodiscard]] String copy_string_from_user(Userspace<const char*>, size_t);
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[[nodiscard]] Optional<Time> copy_time_from_user(const timespec*);
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[[nodiscard]] Optional<Time> copy_time_from_user(const timeval*);
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template<typename T>
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[[nodiscard]] Optional<Time> copy_time_from_user(Userspace<T*> src);
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[[nodiscard]] Optional<u32> user_atomic_fetch_add_relaxed(volatile u32* var, u32 val);
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[[nodiscard]] Optional<u32> user_atomic_exchange_relaxed(volatile u32* var, u32 val);
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