Interface ImageProcess
- All Known Implementing Classes:
ImageProcess
,J9DDRImageProcess
,JCImageProcess
,PartialProcess
public interface ImageProcess
Represents a native operating system process.
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Method Summary
Modifier and TypeMethodDescriptionFetch the command line for this process.Find the thread which triggered the creation of the imageGet the environment variables for this process.Get the module representing the executable within the image.getID()
Get the system-wide identifier for the process.Get the set of shared libraries which are loaded in this process.int
Determine the pointer size used by this process.Gets the OS specific properties for this process.Get the set of the known ManagedRuntime environments in the image.Get the name of the OS signal in this process which triggered the creation of this image.int
Get the OS signal number in this process which triggered the creation of this image.Get the set of image threads in the image.
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Method Details
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getCommandLine
Fetch the command line for this process. This may be the exact command line the user issued, or it may be a reconstructed command line based on argv[] and argc.- Returns:
- the command line for the process
- Throws:
DataUnavailable
- if the information cannot be providedCorruptDataException
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getEnvironment
Get the environment variables for this process.- Returns:
- the environment variables for this process
- Throws:
DataUnavailable
- if the information cannot be providedCorruptDataException
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getID
Get the system-wide identifier for the process.- Returns:
- a system-wide identifier for the process (e.g. a process id (pid) on Unix like systems)
- Throws:
DataUnavailable
- if the information cannot be providedCorruptDataException
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getLibraries
Get the set of shared libraries which are loaded in this process.- Returns:
- an iterator to iterate over the shared libraries which are loaded in this process
- Throws:
DataUnavailable
- if the information cannot be providedCorruptDataException
- See Also:
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getExecutable
Get the module representing the executable within the image.- Returns:
- the module representing the executable within the image (as opposed to modules representing libraries)
- Throws:
DataUnavailable
- if the information cannot be providedCorruptDataException
- See Also:
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getThreads
Iterator getThreads()Get the set of image threads in the image.- Returns:
- an iterator to iterate over each ImageThread in the image There is not necessarily any relationship between JavaThreads and ImageThreads. A JVM implementation may use an n:m mapping of JavaThreads to ImageThreads, and not all ImageThreads are necessarily attached.
- See Also:
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getCurrentThread
Find the thread which triggered the creation of the image- Returns:
- the ImageThread which caused the image to be created, or null if the image was not created due to a specific thread
- Throws:
CorruptDataException
- See Also:
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getRuntimes
Iterator getRuntimes()Get the set of the known ManagedRuntime environments in the image.- Returns:
- an iterator to iterate over all of the known ManagedRuntime environments in the image. In a typical image, there will be only one runtime, and it will be an instance of JavaRuntime. However any user of this API should be aware that there is a possibility that other runtimes may exist in the image
- See Also:
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getSignalNumber
Get the OS signal number in this process which triggered the creation of this image.- Returns:
- the OS signal number in this process which triggered the creation of this image, or 0 if the image was not created because of a signal in this process
- Throws:
DataUnavailable
- if the information cannot be providedCorruptDataException
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getSignalName
Get the name of the OS signal in this process which triggered the creation of this image.- Returns:
- the name of the OS signal in this process which triggered the creation of this image, or null if the image was not created because of a signal in this process
- Throws:
DataUnavailable
- if the information cannot be providedCorruptDataException
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getPointerSize
int getPointerSize()Determine the pointer size used by this process. Currently supported values are 31, 32 or 64. In the future, other pointer sizes may also be supported.- Returns:
- the size of a pointer, in bits
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getProperties
Properties getProperties()Gets the OS specific properties for this process.- Returns:
- a set of OS specific properties
- Since:
- 1.7
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