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"{ Package: 'stx:libbasic' }"
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Object subclass:#OSProcess
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instanceVariableNames:'pid parentPid commandLine'
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classVariableNames:''
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poolDictionaries:''
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category:'System-Support'
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!
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!OSProcess class methodsFor:'documentation'!
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documentation
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"
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OSProcess is an abstract class. Instances represent operating system processes
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(as opposed to Smalltalk processes).
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[author:]
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Stefan Vogel (stefan@zwerg)
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[instance variables:]
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pid SmallInteger the process id
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parentPid SmallInteger the process id of the parent process
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commandLine String the command line of the running command.
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[class variables:]
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[see also:]
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Process
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"
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! !
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!OSProcess methodsFor:'accessing'!
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commandLine
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^ commandLine
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!
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commandLine:something
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commandLine := something.
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!
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parentPid
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^ parentPid
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!
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parentPid:something
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parentPid := something.
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!
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pid
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^ pid
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!
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pid:something
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pid := something.
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! !
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17834
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!OSProcess methodsFor:'printing'!
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printOn:aStream
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aStream
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nextPutAll:self className;
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nextPut:$(.
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pid printOn:aStream.
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aStream space.
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commandLine printOn:aStream.
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aStream nextPut:$)
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! !
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!OSProcess methodsFor:'queries'!
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getProcessHandle
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"some OperatingSystems redefine this to resolve this to a processHandle
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(which must be explicitely freed later).
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Others simply return the pid here"
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^ self subclassResponsibility
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!
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isAlive
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"answer true, if the process is still alive"
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^ self subclassResponsibility
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!
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isDead
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"answer true, if the process is no longer alive"
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^ self isAlive not
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! !
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!OSProcess methodsFor:'terminating'!
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kill
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"kill the process - the process does not get the chance to clean up"
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^ self subclassResponsibility.
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!
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killGroup
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"killl the processGroup - the processes does not get the chance to clean up"
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^ self subclassResponsibility.
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!
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killWithAllChildren
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"terminate gracefully the process with all of its child processes"
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^ self subclassResponsibility.
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!
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terminate
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"terminate the process gracefully"
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^ self subclassResponsibility.
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!
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terminateGroup
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"terminate the process group.
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Under Windows, these is the same as terminateWithhAllChildren,
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under unix, this terminates a subset of all children"
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^ self subclassResponsibility.
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!
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terminateWithAllChildren
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"terminate gracefully the process with all of its child processes"
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^ self subclassResponsibility.
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! !
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!OSProcess class methodsFor:'documentation'!
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version_CVS
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^ '§Header: /cvs/stx/stx/libbasic/OSProcess.st,v 1.2 2011/03/08 17:01:30 stefan Exp §'
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17846
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! !
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