supervisor

which_children(SupRef) -> [{Id,Child,Type,Modules}]

Types:

SupRef = Name | {Name,Node} | {global,Name} | pid()
 Name = Node = atom()
Id = term() | undefined
Child = pid() | undefined
Type = worker | supervisor
Modules = [Module] | dynamic
 Module = atom()
Returns a newly created list with information about all child specifications and child processes belonging to the supervisor SupRef.

Note that calling this function when supervising a large number of children under low memory conditions can cause an out of memory exception.

See start_child/2 for a description of SupRef.

The information given for each child specification/process is:

Id - as defined in the child specification or undefined in the case of a simple_one_for_one supervisor.

Child - the pid of the corresponding child process, or undefined if there is no such process.

Type - as defined in the child specification.

Modules - as defined in the child specification.