Luv.PidSourceEvaluates to the pid of the current process.
Binds uv_os_getpid. See getpid(3p).
Requires libuv 1.18.0.
Feature check: Luv.Require.(has os_getpid)
Evaluates to the pid of the parent process.
Binds uv_os_getppid. See getppid(3p).
Requires libuv 1.16.0.
Feature check: Luv.Require.(has os_getppid)