In Proc::Async§
See primary documentation in context for method pid
method pid(Proc::Async: --> Promise)
Equivalent to ready.
Returns a Promise that will be kept once the process has successfully started. Promise will be broken if the program fails to start. Returned promise will hold the process id (PID).
Implementation-specific note: Available starting from Rakudo 2018.04.
In Proc§
See primary documentation in context for method pid
method pid()
Returns the PID
value of the process if available, or Nil
.