/*

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

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 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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/**

 * This package contains internal common code for implementing tracing

 * frameworks, and defined a number of existing frameworks.

 * <p>

 * There are four tracing frameworks currently defined.  The "Null" and

 * "Multiplex" frameworks are used internally as part of the implementation.

 * The "DTrace" framework is the prime consumer framework at the moment,

 * while the "PrintStream" framework is a functional, but hidden, framework

 * which can be used to track probe firings.  All but the "DTrace" framework

 * are defined in this package.  The "DTrace" framework is implemented in the

 * {@code sun.tracing.dtrace} package.

 * <p>

 * This package also contains the {@code ProviderSkeleton} class, which

 * holds most of the common code needed for implementing frameworks.

 * <p>

 * The "Null" framework is used when there are no other active frameworks.

 * It accomplishes absolutely nothing and is merely a placeholder so that

 * the application can call the tracing routines without error.

 * <p>

 * The "Multiplex" framework is used when there are multiple active frameworks.

 * It is initialized with the framework factories and create providers and

 * probes that dispatch to each active framework in turn.

 * <p>

 * The "PrintStream" framework is currently a debugging framework which

 * dispatches trace calls to a user-defined PrintStream class, defined by

 * a property.  It may some day be opened up to general use.

 * <p>

 * See the {@code sun.tracing.dtrace} and {@code com.sun.tracing.dtrace}

 * packages for information on the "DTrace" framework.

 */

package sun.tracing;