83 lines
2.2 KiB
Java
83 lines
2.2 KiB
Java
/*
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* Copyright (c) 2006 Hyperic, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import org.hyperic.sigar.*;
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/*
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Example to show the process state for a given pid.
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Compile the example:
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% javac -classpath sigar-bin/lib/sigar.jar ProcessState.java
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State of the java process running the example:
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% java -classpath sigar-bin/lib/sigar.jar:. ProcessState
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java: Running
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State of the bash shell when invoking the example is running:
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% java -classpath sigar-bin/lib/sigar.jar:. ProcessState $$
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bash: Sleeping
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State of emacs editor used to write the example:
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% java -classpath sigar-bin/lib/sigar.jar:. ProcessState 2673
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emacs: Suspended
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See also: examples/Ps.java, examples/Top.java
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*/
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public class ProcessState {
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private static String getStateString(char state) {
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switch (state) {
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case ProcState.SLEEP:
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return "Sleeping";
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case ProcState.RUN:
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return "Running";
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case ProcState.STOP:
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return "Suspended";
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case ProcState.ZOMBIE:
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return "Zombie";
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case ProcState.IDLE:
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return "Idle";
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default:
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return String.valueOf(state);
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}
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}
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public static void main(String[] args)
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throws SigarException {
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String pid;
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if (args.length == 0) {
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pid = "$$"; //default to this process
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}
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else {
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pid = args[0];
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}
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Sigar sigar = new Sigar();
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ProcState procState = sigar.getProcState(pid);
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String state;
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System.out.println(procState.getName() + ": " +
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getStateString(procState.getState()));
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sigar.close();
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}
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}
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