IKVM.Runtime.JNI.JNIGlobalRefTable Class Reference

Maintains a set of global refereces to instances. More...

Static Public Member Functions
static nint	AddGlobalRef (object o)
	Adds a new global ref to the table.
static void	DeleteGlobalRef (nint o)
	Deletes a global ref from the table.
static nint	AddWeakGlobalRef (object o)
	Adds a new global ref to the table.
static void	DeleteWeakGlobalRef (nint o)
	Deletes a weak global ref from the table.

Detailed Description

Maintains a set of global refereces to instances.

Definition at line 11 of file JNIGlobalRefTable.cs.

Member Function Documentation

AddGlobalRef()

static nint IKVM.Runtime.JNI.JNIGlobalRefTable.AddGlobalRef ( object o )

static

Adds a new global ref to the table.

Parameters

o

Returns

Definition at line 39 of file JNIGlobalRefTable.cs.

        {
            lock (globalRefs)
            {
                int index = globalRefs.IndexOf(null);
                if (index >= 0)
                {
                    globalRefs[index] = o;
                }
                else
                {
                    index = globalRefs.Count;
                    globalRefs.Add(o);
                }
 
                return -(index + 1);
            }
        }

AddWeakGlobalRef()

static nint IKVM.Runtime.JNI.JNIGlobalRefTable.AddWeakGlobalRef ( object o )

static

Adds a new global ref to the table.

Parameters

o

Returns

Definition at line 73 of file JNIGlobalRefTable.cs.

        {
            lock (weakRefLock)
            {
                for (int i = 0; i < weakRefs.Length; i++)
                {
                    if (weakRefs[i].IsAllocated == false)
                    {
                        weakRefs[i] = GCHandle.Alloc(o, GCHandleType.WeakTrackResurrection);
                        return -(i | (1 << 30));
                    }
                }
 
                var len = weakRefs.Length;
                var tmp = new GCHandle[len * 2];
                Array.Copy(weakRefs, 0, tmp, 0, len);
                tmp[len] = GCHandle.Alloc(o, GCHandleType.WeakTrackResurrection);
                weakRefs = tmp;
                return -(len | (1 << 30));
            }
        }

DeleteGlobalRef()

static void IKVM.Runtime.JNI.JNIGlobalRefTable.DeleteGlobalRef ( nint o )

static

Deletes a global ref from the table.

Parameters

o

Definition at line 62 of file JNIGlobalRefTable.cs.

        {
            lock (globalRefs)
                globalRefs[(-(int)o) - 1] = null;
        }

DeleteWeakGlobalRef()

static void IKVM.Runtime.JNI.JNIGlobalRefTable.DeleteWeakGlobalRef ( nint o )

static

Deletes a weak global ref from the table.

Parameters

o

Definition at line 100 of file JNIGlobalRefTable.cs.

        {
            lock (weakRefLock)
                weakRefs[-o - (1 << 30)].Free();
        }

---

The documentation for this class was generated from the following file:

• src/IKVM.Runtime/JNI/JNIGlobalRefTable.cs