An operating-system Process.
This represents an operating-system process with standard input,
standard output, and standard error streams connected to it.
On UNIX, this is implemented using fork(), exec(), pipe()
and fcntl(). These calls may not exist elsewhere so this
code is not cross-platform. (also, windows can only select
on sockets...)
Methods
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__init__
closeStdin
connectionLost
doError
doRead
doWrite
fileno
write
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__init__
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__init__ (
self,
command,
args,
environment,
path,
)
Spawn an operating-system process.
This is where the hard work of disconnecting all currently open
files / forking / executing the new process happens. (This is
executed automatically when a Process is instantiated.)
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closeStdin
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closeStdin ( self )
Call this to close standard input on this process.
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connectionLost
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connectionLost ( self )
I call this to clean up when one or all of my connections has died.
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doError
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doError ( self )
Called when my standard error stream is ready for reading.
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doRead
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doRead ( self )
Called when my standard output stream is ready for reading.
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doWrite
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doWrite ( self )
Called when my standard output stream is ready for writing.
This will only happen in the case where the pipe to write to is
broken.
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fileno
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fileno ( self )
This returns the file number of standard output on this process.
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write
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write ( self, data )
Call this to write to standard input on this process.
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