Bridge : Process Class
exitValue() returns a 0 if the process is has completed correctly.
If an error occurred during the process the exit value will different than 0. There isn't a standard definition for the return code, it depends on the process. Refer to the documentation of the process to know what the code means.
unsigned int. 0 if the process completed correctly. Any value other than 0 means an error occurred during the process. There isn't a standard for the return code, depends on the process you have run.
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