Core_unix.Pgid
this module mirrors Spawn.Pgid
Only used when creating a process. If a value of this type is provided when creating a process, the child will immediately set its pgid accordingly.
val new_process_group : t
Sets the child's pgid to the same as its process id. Equivalent to calling setpgid(0, 0)
.
val of_pid : int -> t
Raises Invalid_arg
if the value is not strictly positive.