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Functions4U Reference. LocalProcessX


 

class LocalProcessX

 

LocalProcessX permits to launch child executables and batch files managing its input and output.

It is based in LocalProcess2 including some elements to ease its use like WhenTimer callback that lets user to manage program status.

 

Public Method List


 

bool Start(const char *cmd, const char *envptr = 0, const char *dir = 0, double refreshTime = -1, double maxTimeWithoutOutput = -1, double maxRunTime = -1, bool convertcharset = true)

Starts child process defined by command line cmd, with envptr environment variables, in folder dir.

If refreshTime is defined, the Perform function will be called periodically.

maxTimeWithoutOutput is the maximum time permitted without child program text output (by functions like printf) and maxRunTime is the maximum child program run time. convertcharset .defines if character set has to be converted.

 


 

void Perform()

Perform manages child program and calls WhenTimer user function.

 


 

void Stop(ProcessStatus status = STOP_USER)

Stops child program, subprograms and threads, with status.

 


 

void Pause()

Pauses child program, subprograms and threads.

 


 

bool IsPaused()

Returns true if child program is paused.

 


 

double Seconds()

Returns number of child program running elapsed seconds.

 


 

void Write(String str)

Sends str string to child program.

 


 

int GetStatus()

Returns child program status.

It is defined in ProcessStatus and it can be:

RUNNING

STOP_OK

STOP_TIMEOUT

STOP_USER

 


 

bool IsRunning()

Returns true if child program is running.

 


 

Gate4<double, String&, bool, bool&WhenTimer

Permits to include user function to handle:

Inputs

Running time elapsed

String output by child program

Child program status

Output

To reset time without program output timeout

 

Last edit by koldo on 09/26/2016. Do you want to contribute?. T++