IKVM.Java.Externs.java.lang.System Class Reference

Implements the native methods for 'java.lang.System'. More...

Static Public Member Functions
static void	registerNatives ()
	Implements the native method 'registerNatives'.
static void	setIn0 (object @in)
	Implements the native method 'setIn0'.
static void	setOut0 (object @out)
	Implements the native method 'setOut0'.
static void	setErr0 (object err)
	Implements the native method 'setErr0'.
static long	currentTimeMillis ()
	Implements the native method 'currentTimeMillis'.
static long	nanoTime ()
	Implements the native method 'nanoTime'.
static void	arraycopy (object src, int srcPos, object dest, int destPos, int length)
	Implements the native method 'arraycopy'.
static int	identityHashCode (object x)
	Implements the native method 'identityHashCode'.
static string	mapLibraryName (string libname)
	Implements the native method 'mapLibraryName'.

Detailed Description

Implements the native methods for 'java.lang.System'.

Definition at line 15 of file System.cs.

Member Function Documentation

arraycopy()

static void IKVM.Java.Externs.java.lang.System.arraycopy ( object src, int srcPos, object dest, int destPos, int length )

static

Implements the native method 'arraycopy'.

This method exists as a performance optimization to prevent JNI.

Parameters

src
srcPos
dest
destPos
length

Definition at line 109 of file System.cs.

        {
            ByteCodeHelper.arraycopy(src, srcPos, dest, destPos, length);
        }

currentTimeMillis()

static long IKVM.Java.Externs.java.lang.System.currentTimeMillis ( )

static

Implements the native method 'currentTimeMillis'.

Returns

Definition at line 80 of file System.cs.

        {
            return DateTime.UtcNow.Ticks / 10000L - january_1st_1970;
        }

identityHashCode()

static int IKVM.Java.Externs.java.lang.System.identityHashCode ( object x )

static

Implements the native method 'identityHashCode'.

This method exists as a performance optimization to prevent JNI.

Parameters

x

Returns

Definition at line 122 of file System.cs.

        {
            return RuntimeHelpers.GetHashCode(x);
        }

mapLibraryName()

static string IKVM.Java.Externs.java.lang.System.mapLibraryName ( string libname )

static

Implements the native method 'mapLibraryName'.

Parameters

libname

Returns

Definition at line 132 of file System.cs.

        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
            if (libname == null)
                throw new global::java.lang.NullPointerException();
 
            if (RuntimeUtil.IsWindows)
                return libname + ".dll";
            else if (RuntimeUtil.IsOSX)
                return "lib" + libname + ".dylib";
            else
                return "lib" + libname + ".so";
#endif
        }

nanoTime()

static long IKVM.Java.Externs.java.lang.System.nanoTime ( )

static

Implements the native method 'nanoTime'.

Returns

Definition at line 89 of file System.cs.

        {
            const long NANOS_PER_SEC = 1000000000;
 
            var time = (double)Stopwatch.GetTimestamp();
            var freq = (double)Stopwatch.Frequency;
            return (long)(time / freq * NANOS_PER_SEC);
        }

registerNatives()

static void IKVM.Java.Externs.java.lang.System.registerNatives ( )

static

Implements the native method 'registerNatives'.

Definition at line 34 of file System.cs.

        {
 
        }

setErr0()

static void IKVM.Java.Externs.java.lang.System.setErr0 ( object err )

static

Implements the native method 'setErr0'.

Definition at line 67 of file System.cs.

        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
            SystemAccessor.SetErr(err);
#endif
        }

setIn0()

static void IKVM.Java.Externs.java.lang.System.setIn0 ( object @ in )

static

Implements the native method 'setIn0'.

Parameters

in

Definition at line 43 of file System.cs.

        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
            SystemAccessor.SetIn(@in);
#endif
        }

setOut0()

static void IKVM.Java.Externs.java.lang.System.setOut0 ( object @ out )

static

Implements the native method 'setOut0'.

Definition at line 55 of file System.cs.

        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
            SystemAccessor.SetOut(@out);
#endif
        }

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

• src/IKVM.Runtime/Java/Externs/java/lang/System.cs