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| <h2 title="Interface UnixOperatingSystemMXBean" class="title">Interface UnixOperatingSystemMXBean</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="OperatingSystemMXBean.html" title="interface in com.ibm.lang.management">OperatingSystemMXBean</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/OperatingSystemMXBean.html?is-external=true" title="class or interface in com.sun.management" class="externalLink" target="_blank">OperatingSystemMXBean</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/OperatingSystemMXBean.html?is-external=true" title="class or interface in java.lang.management" class="externalLink" target="_blank">OperatingSystemMXBean</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/PlatformManagedObject.html?is-external=true" title="class or interface in java.lang.management" class="externalLink" target="_blank">PlatformManagedObject</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/UnixOperatingSystemMXBean.html?is-external=true" title="class or interface in com.sun.management" class="externalLink" target="_blank">UnixOperatingSystemMXBean</a></code></dd> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="internal/UnixExtendedOperatingSystem.html" title="class in com.ibm.lang.management.internal">UnixExtendedOperatingSystem</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public interface <span class="typeNameLabel">UnixOperatingSystemMXBean</span> |
| extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/UnixOperatingSystemMXBean.html?is-external=true" title="class or interface in com.sun.management" class="externalLink" target="_blank">UnixOperatingSystemMXBean</a>, <a href="OperatingSystemMXBean.html" title="interface in com.ibm.lang.management">OperatingSystemMXBean</a></pre> |
| <div class="block">Interface provides platform-specific management utilities on Unix and Unix-like |
| operating systems.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.8</dd> |
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| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMaxFileDescriptorCount()">getMaxFileDescriptorCount</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the maximum number of file descriptors that can be opened in a process.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOpenFileDescriptorCount()">getOpenFileDescriptorCount</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the current number of file descriptors that are in opened state.</div> |
| </td> |
| </tr> |
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| <h3>Methods declared in interface com.ibm.lang.management.<a href="OperatingSystemMXBean.html" title="interface in com.ibm.lang.management">OperatingSystemMXBean</a></h3> |
| <code><a href="OperatingSystemMXBean.html#getCommittedVirtualMemorySize()">getCommittedVirtualMemorySize</a>, <a href="OperatingSystemMXBean.html#getFreePhysicalMemorySize()">getFreePhysicalMemorySize</a>, <a href="OperatingSystemMXBean.html#getFreeSwapSpaceSize()">getFreeSwapSpaceSize</a>, <a href="OperatingSystemMXBean.html#getHardwareModel()">getHardwareModel</a>, <a href="OperatingSystemMXBean.html#getProcessCpuLoad()">getProcessCpuLoad</a>, <a href="OperatingSystemMXBean.html#getProcessCpuTime()">getProcessCpuTime</a>, <a href="OperatingSystemMXBean.html#getProcessCpuTimeByNS()">getProcessCpuTimeByNS</a>, <a href="OperatingSystemMXBean.html#getProcessingCapacity()">getProcessingCapacity</a>, <a href="OperatingSystemMXBean.html#getProcessPhysicalMemorySize()">getProcessPhysicalMemorySize</a>, <a href="OperatingSystemMXBean.html#getProcessPrivateMemorySize()">getProcessPrivateMemorySize</a>, <a href="OperatingSystemMXBean.html#getProcessVirtualMemorySize()">getProcessVirtualMemorySize</a>, <a href="OperatingSystemMXBean.html#getSystemCpuLoad()">getSystemCpuLoad</a>, <a href="OperatingSystemMXBean.html#getTotalPhysicalMemory()">getTotalPhysicalMemory</a>, <a href="OperatingSystemMXBean.html#getTotalPhysicalMemorySize()">getTotalPhysicalMemorySize</a>, <a href="OperatingSystemMXBean.html#getTotalSwapSpaceSize()">getTotalSwapSpaceSize</a>, <a href="OperatingSystemMXBean.html#isHardwareEmulated()">isHardwareEmulated</a>, <a href="OperatingSystemMXBean.html#isProcessRunning(long)">isProcessRunning</a>, <a href="OperatingSystemMXBean.html#retrieveMemoryUsage()">retrieveMemoryUsage</a>, <a href="OperatingSystemMXBean.html#retrieveMemoryUsage(com.ibm.lang.management.MemoryUsage)">retrieveMemoryUsage</a>, <a href="OperatingSystemMXBean.html#retrieveProcessorUsage()">retrieveProcessorUsage</a>, <a href="OperatingSystemMXBean.html#retrieveProcessorUsage(com.ibm.lang.management.ProcessorUsage%5B%5D)">retrieveProcessorUsage</a>, <a href="OperatingSystemMXBean.html#retrieveTotalProcessorUsage()">retrieveTotalProcessorUsage</a>, <a href="OperatingSystemMXBean.html#retrieveTotalProcessorUsage(com.ibm.lang.management.ProcessorUsage)">retrieveTotalProcessorUsage</a></code></li> |
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| <h3>Methods declared in interface java.lang.management.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/OperatingSystemMXBean.html?is-external=true" title="class or interface in java.lang.management" class="externalLink" target="_blank">OperatingSystemMXBean</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/OperatingSystemMXBean.html?is-external=true#getArch()" title="class or interface in java.lang.management" class="externalLink" target="_blank">getArch</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/OperatingSystemMXBean.html?is-external=true#getAvailableProcessors()" title="class or interface in java.lang.management" class="externalLink" target="_blank">getAvailableProcessors</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/OperatingSystemMXBean.html?is-external=true#getName()" title="class or interface in java.lang.management" class="externalLink" target="_blank">getName</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/OperatingSystemMXBean.html?is-external=true#getSystemLoadAverage()" title="class or interface in java.lang.management" class="externalLink" target="_blank">getSystemLoadAverage</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/OperatingSystemMXBean.html?is-external=true#getVersion()" title="class or interface in java.lang.management" class="externalLink" target="_blank">getVersion</a></code></li> |
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| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/PlatformManagedObject.html?is-external=true#getObjectName()" title="class or interface in java.lang.management" class="externalLink" target="_blank">getObjectName</a></code></li> |
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| <h4>getMaxFileDescriptorCount</h4> |
| <pre class="methodSignature">long getMaxFileDescriptorCount()</pre> |
| <div class="block">Returns the maximum number of file descriptors that can be opened in a process.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/UnixOperatingSystemMXBean.html?is-external=true#getMaxFileDescriptorCount()" title="class or interface in com.sun.management" class="externalLink" target="_blank">getMaxFileDescriptorCount</a></code> in interface <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/UnixOperatingSystemMXBean.html?is-external=true" title="class or interface in com.sun.management" class="externalLink" target="_blank">UnixOperatingSystemMXBean</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The maximum number of file descriptors that can be opened in a process or |
| -1, if an error occurred while obtaining this. If the operating system doesn't have |
| any limits configured, Long.MAX_VALUE is returned.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.8</dd> |
| </dl> |
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| <h4>getOpenFileDescriptorCount</h4> |
| <pre class="methodSignature">long getOpenFileDescriptorCount()</pre> |
| <div class="block">Returns the current number of file descriptors that are in opened state.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/UnixOperatingSystemMXBean.html?is-external=true#getOpenFileDescriptorCount()" title="class or interface in com.sun.management" class="externalLink" target="_blank">getOpenFileDescriptorCount</a></code> in interface <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/UnixOperatingSystemMXBean.html?is-external=true" title="class or interface in com.sun.management" class="externalLink" target="_blank">UnixOperatingSystemMXBean</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The current number of file descriptors that are in opened state or |
| -1, if an error occurred while obtaining this.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.8</dd> |
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