Package org.apache.cassandra.utils
Class NativeLibraryWindows
- java.lang.Object
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- org.apache.cassandra.utils.NativeLibraryWindows
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public class NativeLibraryWindows extends java.lang.Object
ANativeLibraryWrapper
implementation for Windows.This implementation only offers support for the
callGetpid
method using the Windows/Kernel32 library.- See Also:
NativeLibraryWrapper
,NativeLibrary
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Constructor Summary
Constructors Constructor Description NativeLibraryWindows()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
callClose(int fd)
int
callFcntl(int fd, int command, long flags)
int
callFsync(int fd)
long
callGetpid()
int
callMlockall(int flags)
int
callMunlockall()
int
callOpen(java.lang.String path, int flags)
int
callPosixFadvise(int fd, long offset, int len, int flag)
com.sun.jna.Pointer
callStrerror(int errnum)
boolean
isAvailable()
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Method Detail
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callMlockall
public int callMlockall(int flags) throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Throws:
java.lang.UnsatisfiedLinkError
java.lang.RuntimeException
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callMunlockall
public int callMunlockall() throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Throws:
java.lang.UnsatisfiedLinkError
java.lang.RuntimeException
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callFcntl
public int callFcntl(int fd, int command, long flags) throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Throws:
java.lang.UnsatisfiedLinkError
java.lang.RuntimeException
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callPosixFadvise
public int callPosixFadvise(int fd, long offset, int len, int flag) throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Throws:
java.lang.UnsatisfiedLinkError
java.lang.RuntimeException
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callOpen
public int callOpen(java.lang.String path, int flags) throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Throws:
java.lang.UnsatisfiedLinkError
java.lang.RuntimeException
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callFsync
public int callFsync(int fd) throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Throws:
java.lang.UnsatisfiedLinkError
java.lang.RuntimeException
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callClose
public int callClose(int fd) throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Throws:
java.lang.UnsatisfiedLinkError
java.lang.RuntimeException
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callStrerror
public com.sun.jna.Pointer callStrerror(int errnum) throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Throws:
java.lang.UnsatisfiedLinkError
java.lang.RuntimeException
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callGetpid
public long callGetpid() throws java.lang.UnsatisfiedLinkError, java.lang.RuntimeException
- Returns:
- the PID of the JVM running
- Throws:
java.lang.UnsatisfiedLinkError
- if we fail to link against Sigarjava.lang.RuntimeException
- if another unexpected error is thrown by Sigar
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isAvailable
public boolean isAvailable()
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