kernel/error: Add error code for the handle table being full

This replaces the lingering 3DS constant with the proper one, and
utilizes it within HandleTable's Create() member function.

src/core/hle/kernel/errors.h

@@ -11,7 +11,6 @@ namespace Kernel {
 namespace ErrCodes {
 enum {
     // TODO(Subv): Remove these 3DS OS error codes.
-    OutOfHandles = 19,
     SessionClosedByRemote = 26,
     PortNameTooLong = 30,
     NoPendingSessions = 35,
@@ -20,6 +19,7 @@ enum {
 
     // Confirmed Switch OS error codes
     InvalidAddress = 102,
+    HandleTableFull = 105,
     InvalidMemoryState = 106,
     InvalidMemoryPermissions = 108,
     InvalidProcessorId = 113,
@@ -37,7 +37,7 @@ enum {
 // double check that the code matches before re-using the constant.
 
 // TODO(bunnei): Replace these with correct errors for Switch OS
-constexpr ResultCode ERR_OUT_OF_HANDLES(-1);
+constexpr ResultCode ERR_HANDLE_TABLE_FULL(ErrorModule::Kernel, ErrCodes::HandleTableFull);
 constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE(-1);
 constexpr ResultCode ERR_PORT_NAME_TOO_LONG(-1);
 constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(-1);

src/core/hle/kernel/handle_table.cpp

@@ -26,7 +26,7 @@ ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) {
     u16 slot = next_free_slot;
     if (slot >= generations.size()) {
         LOG_ERROR(Kernel, "Unable to allocate Handle, too many slots in use.");
-        return ERR_OUT_OF_HANDLES;
+        return ERR_HANDLE_TABLE_FULL;
     }
     next_free_slot = generations[slot];
 

src/core/hle/kernel/handle_table.h

@@ -47,7 +47,7 @@ public:
     /**
      * Allocates a handle for the given object.
      * @return The created Handle or one of the following errors:
-     *           - `ERR_OUT_OF_HANDLES`: the maximum number of handles has been exceeded.
+     *           - `ERR_HANDLE_TABLE_FULL`: the maximum number of handles has been exceeded.
      */
     ResultVal<Handle> Create(SharedPtr<Object> obj);