Add Result.hpp

mesosphere/include/mesosphere/core/Result.hpp

@@ -0,0 +1,72 @@
+#pragma once
+
+#include <mesosphere/core/types.hpp>
+
+namespace mesosphere
+{
+
+struct Result {
+    enum class Module : uint {
+        None    = 0,
+        Kernel  = 1,
+        /* Other modules not included. */
+    };
+
+    enum class Description : uint {
+        None                        = 0,
+
+        InvalidCapabilityDescriptor = 14,
+
+        NotImplemented              = 33,
+
+        ThreadTerminated            = 59,
+
+        OutOfDebugEvents            = 70,
+
+        InvalidSize                 = 101,
+        InvalidAddress              = 102,
+        AllocatorDepleted           = 103,
+        OutOfMemory                 = 104,
+        OutOfHandles                = 105,
+        InvalidMemoryState          = 106,
+        InvalidMemoryPermissions    = 108,
+        InvalidMemoryRange          = 110,
+        InvalidPriority             = 112,
+        InvalidCoreId               = 113,
+        InvalidHandle               = 114,
+        InvalidUserBuffer           = 115,
+        InvalidCombination          = 116,
+        TimedOut                    = 117,
+        Cancelled                   = 118,
+        OutOfRange                  = 119,
+        InvalidEnumValue            = 120,
+        NotFound                    = 121,
+        AlreadyExists               = 122,
+        ConnectionClosed            = 123,
+        UnhandledUserInterrupt      = 124,
+        NotPermitted                = 125,
+        ReservedValue               = 126,
+        InvalidHwBreakpoint         = 127,
+        FatalUserException          = 128,
+        OwnedByAnotherProcess       = 129,
+        ConnectionRefused           = 131,
+        OutOfResource               = 132,
+
+        IpcMapFailed                = 259,
+        IpcCmdbufTooSmall           = 260,
+
+        NotDebugged                 = 520,
+    };
+
+    Module module           : 9;
+    Description description : 23;
+
+    Result() : module{Module::None}, description{Description::None} {}
+    Result(Description description, Module module = Module::Kernel) : description{description}, module{module} {}
+
+    constexpr bool IsSuccess() const { return module == Module::None && description == Description::None; }
+    constexpr bool operator==(const Result &other) const { return module == other.module && description == other.description; }
+    constexpr bool operator!=(const Result &other) const { return !(*this == other); }
+};
+
+}

mesosphere/include/mesosphere/core/types.hpp

@@ -39,8 +39,6 @@ using vs16 = volatile int16_t;
 using vs32 = volatile int32_t;
 using vs64 = volatile int64_t;
 
-using Result = uint;
-
 template <typename T>
 using SharedPtr = boost::intrusive_ptr<T>;