diff options
author | Sven Gothel <[email protected]> | 2013-06-22 07:18:14 +0200 |
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committer | Sven Gothel <[email protected]> | 2013-06-22 07:18:14 +0200 |
commit | a7545f4fda73c215cff0da7256417bc1d1bd450b (patch) | |
tree | 0b9e470864e8842a433c90e53df5fd74ac0c3622 /src/java/jogamp/common/os/DynamicLinkerImpl.java | |
parent | 26bd0f9aa06c3294198f961fadff04ecd8e93cdc (diff) |
Fix commit eb842815498f5926828b49c48fffce22fc9586a2: Adding missing files
Diffstat (limited to 'src/java/jogamp/common/os/DynamicLinkerImpl.java')
-rw-r--r-- | src/java/jogamp/common/os/DynamicLinkerImpl.java | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/java/jogamp/common/os/DynamicLinkerImpl.java b/src/java/jogamp/common/os/DynamicLinkerImpl.java new file mode 100644 index 0000000..4686cd2 --- /dev/null +++ b/src/java/jogamp/common/os/DynamicLinkerImpl.java @@ -0,0 +1,90 @@ +/** + * Copyright 2013 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ +package jogamp.common.os; + +import com.jogamp.common.os.DynamicLinker; +import com.jogamp.common.util.LongObjectHashMap; + +/* pp */ abstract class DynamicLinkerImpl implements DynamicLinker { + + // + // Package private scope of class w/ protected native code access + // and sealed jogamp.common.* package definition + // ensuring no abuse via subclassing. + // + + private final LongObjectHashMap libHandle2Name = new LongObjectHashMap( 16 /* initialCapacity */ ); + + protected static final class LibRef { + public LibRef(String name) { + this.name = name; + this.refCount = 1; + } + public final int incrRefCount() { return ++refCount; } + public final int decrRefCount() { return --refCount; } + public final int getRefCount() { return refCount; } + + public final String getName() { return name; } + public final String toString() { return "LibRef["+name+", refCount "+refCount+"]"; } + + private final String name; + private int refCount; + } + + protected final synchronized LibRef getLibRef(long handle) { + return (LibRef) libHandle2Name.get(handle); + } + + protected final synchronized LibRef incrLibRefCount(long handle, String libName) { + LibRef libRef = getLibRef(handle); + if( null == libRef ) { + libRef = new LibRef(libName); + libHandle2Name.put(handle, libRef); + } else { + libRef.incrRefCount(); + } + if(DEBUG) { + System.err.println("DynamicLinkerImpl.incrLibRefCount 0x"+Long.toHexString(handle)+ " -> "+libRef+", libs loaded "+libHandle2Name.size()); + } + return libRef; + } + + protected final synchronized LibRef decrLibRefCount(long handle) { + LibRef libRef = getLibRef(handle); + if( null != libRef ) { + if( 0 == libRef.decrRefCount() ) { + libHandle2Name.remove(handle); + } + } + if(DEBUG) { + System.err.println("DynamicLinkerImpl.decrLibRefCount 0x"+Long.toHexString(handle)+ " -> "+libRef+", libs loaded "+libHandle2Name.size()); + } + return libRef; + } + +} |