diff options
Diffstat (limited to 'lib/stdlib/src/supervisor.erl')
| -rw-r--r-- | lib/stdlib/src/supervisor.erl | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl index 9f93747c3e..54328cd9ff 100644 --- a/lib/stdlib/src/supervisor.erl +++ b/lib/stdlib/src/supervisor.erl @@ -63,7 +63,9 @@ %%-------------------------------------------------------------------------- -record(child, {% pid is undefined when child is not running - pid = undefined :: child() | {restarting,pid()} | [pid()], + pid = undefined :: child() + | {restarting, pid() | undefined} + | [pid()], name :: child_id(), mfargs :: mfargs(), restart_type :: restart(), @@ -752,6 +754,9 @@ restart(Child, State) -> end, timer:apply_after(0,?MODULE,try_again_restart,[self(),Id]), {ok,NState2}; + {try_again, NState2, #child{name=ChName}} -> + timer:apply_after(0,?MODULE,try_again_restart,[self(),ChName]), + {ok,NState2}; Other -> Other end; @@ -798,10 +803,16 @@ restart(rest_for_one, Child, State) -> case start_children(ChAfter2, State#state.name) of {ok, ChAfter3} -> {ok, State#state{children = ChAfter3 ++ ChBefore}}; - {error, ChAfter3, _Reason} -> + {error, ChAfter3, {failed_to_start_child, ChName, _Reason}} + when ChName =:= Child#child.name -> NChild = Child#child{pid=restarting(Child#child.pid)}, NState = State#state{children = ChAfter3 ++ ChBefore}, - {try_again, replace_child(NChild,NState)} + {try_again, replace_child(NChild,NState)}; + {error, ChAfter3, {failed_to_start_child, ChName, _Reason}} -> + NChild = lists:keyfind(ChName, #child.name, ChAfter3), + NChild2 = NChild#child{pid=?restarting(undefined)}, + NState = State#state{children = ChAfter3 ++ ChBefore}, + {try_again, replace_child(NChild2,NState), NChild2} end; restart(one_for_all, Child, State) -> Children1 = del_child(Child#child.pid, State#state.children), @@ -809,10 +820,16 @@ restart(one_for_all, Child, State) -> case start_children(Children2, State#state.name) of {ok, NChs} -> {ok, State#state{children = NChs}}; - {error, NChs, _Reason} -> + {error, NChs, {failed_to_start_child, ChName, _Reason}} + when ChName =:= Child#child.name -> NChild = Child#child{pid=restarting(Child#child.pid)}, NState = State#state{children = NChs}, - {try_again, replace_child(NChild,NState)} + {try_again, replace_child(NChild,NState)}; + {error, NChs, {failed_to_start_child, ChName, _Reason}} -> + NChild = lists:keyfind(ChName, #child.name, NChs), + NChild2 = NChild#child{pid=?restarting(undefined)}, + NState = State#state{children = NChs}, + {try_again, replace_child(NChild2,NState), NChild2} end. restarting(Pid) when is_pid(Pid) -> ?restarting(Pid); |