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-rw-r--r--lib/os_mon/src/cpu_sup.erl12
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/os_mon/src/cpu_sup.erl b/lib/os_mon/src/cpu_sup.erl
index 34251178ee..1f088ecbde 100644
--- a/lib/os_mon/src/cpu_sup.erl
+++ b/lib/os_mon/src/cpu_sup.erl
@@ -543,7 +543,8 @@ measurement_server_init() ->
Server = case OS of
{unix, Flavor} when Flavor==sunos;
Flavor==linux ->
- port_server_start();
+ {ok, Pid} = port_server_start_link(),
+ Pid;
{unix, Flavor} when Flavor==darwin;
Flavor==freebsd;
Flavor==dragonfly;
@@ -588,8 +589,9 @@ measurement_server_loop(State) ->
Error -> Pid ! {error, Error}
end,
measurement_server_loop(State);
- {'EXIT', Pid, _n} when State#internal.port == Pid ->
- measurement_server_loop(State#internal{port = port_server_start()});
+ {'EXIT', OldPid, _n} when State#internal.port == OldPid ->
+ {ok, NewPid} = port_server_start_link(),
+ measurement_server_loop(State#internal{port = NewPid});
_Other ->
measurement_server_loop(State)
end.
@@ -605,12 +607,12 @@ port_server_call(Pid, Command) ->
{Pid, {error, Reason}} -> {error, Reason}
end.
-port_server_start() ->
+port_server_start_link() ->
Timeout = 6000,
Pid = spawn_link(fun() -> port_server_init(Timeout) end),
Pid ! {self(), ?ping},
receive
- {Pid, {data,4711}} -> Pid;
+ {Pid, {data,4711}} -> {ok, Pid};
{error,Reason} -> {error, Reason}
after Timeout ->
{error, timeout}