diff options
Diffstat (limited to 'lib/snmp/src/agent/snmpa_target_cache.erl')
| -rw-r--r-- | lib/snmp/src/agent/snmpa_target_cache.erl | 37 |
1 files changed, 10 insertions, 27 deletions
diff --git a/lib/snmp/src/agent/snmpa_target_cache.erl b/lib/snmp/src/agent/snmpa_target_cache.erl index 2aa35aa46a..1fcaf82373 100644 --- a/lib/snmp/src/agent/snmpa_target_cache.erl +++ b/lib/snmp/src/agent/snmpa_target_cache.erl @@ -21,8 +21,6 @@ -behaviour(gen_server). %% External exports -%% Avoid warning for local function demonitor/1 clashing with autoimported BIF. --compile({no_auto_import,[demonitor/1]}). -export([start_link/2, stop/0, verbosity/1]). -export([ @@ -213,21 +211,6 @@ do_init(Prio, Opts) -> %% requests will have to wait. %% -monitor(Pid) -> erlang:monitor(process, Pid). --ifdef(SNMP_R10). -demonitor(Ref) -> - erlang:demonitor(Ref), - receive - {_, Ref, _, _, _} -> - true - after 0 -> - true - end. --else. -demonitor(Ref) -> - erlang:demonitor(Ref, [flush]). --endif. - %% (1) No write_lock active or waiting handle_call({lock, read = Type, infinity}, {Pid, _} = From, @@ -236,7 +219,7 @@ handle_call({lock, read = Type, infinity}, {Pid, _} = From, "entry when no waiting or active writer with" "~n Pid: ~p" "~n Cnt: ~p", [Pid, Cnt]), - MonRef = monitor(Pid), + MonRef = erlang:monitor(process, Pid), Locker = #locker{pid = Pid, from = From, mon_ref = MonRef, @@ -252,7 +235,7 @@ handle_call({lock, read = Type, infinity}, {Pid, _} = From, State) -> ?vlog("lock(read, infinity) -> " "entry when active or waiting write locks with" "~n Pid: ~p", [Pid]), - MonRef = monitor(Pid), + MonRef = erlang:monitor(process, Pid), Locker = #locker{pid = Pid, from = From, mon_ref = MonRef, @@ -273,7 +256,7 @@ handle_call({lock, write = Type, infinity}, {Pid, _} = From, ?vlog("lock(write, infinity) -> " "entry when no active lockers with" "~n Pid: ~p", [Pid]), - MonRef = monitor(Pid), + MonRef = erlang:monitor(process, Pid), Locker = #locker{pid = Pid, from = From, mon_ref = MonRef, @@ -290,7 +273,7 @@ handle_call({lock, write = Type, infinity}, {Pid, _} = From, ?vlog("lock(write, infinity) -> " "entry when active lockers with" "~n Pid: ~p", [Pid]), - MonRef = monitor(Pid), + MonRef = erlang:monitor(process, Pid), Locker = #locker{pid = Pid, from = From, mon_ref = MonRef, @@ -307,7 +290,7 @@ handle_call({lock, write = Type, infinity}, {Pid, _} = From, #state{writer = true} = State) -> ?vlog("lock(write, infinity) -> entry with" "~n Pid: ~p", [Pid]), - MonRef = monitor(Pid), + MonRef = erlang:monitor(process, Pid), Locker = #locker{pid = Pid, from = From, mon_ref = MonRef, @@ -429,7 +412,7 @@ handle_cast({unlock, Pid}, [#locker{mon_ref = MonRef, type = read}] -> ?vdebug("unlock -> found read locker" "~n MonRef: ~p", [MonRef]), - demonitor(MonRef), + erlang:demonitor(MonRef, [flush]), ets:delete(?LOCKER_TAB, Pid), %% ?vtrace("unlock -> done when" %% "~n Lockers: ~p", [ets:tab2list(?LOCKER_TAB)]), @@ -437,7 +420,7 @@ handle_cast({unlock, Pid}, [#locker{mon_ref = MonRef, type = write}] -> ?vdebug("unlock -> found write locker" "~n MonRef: ~p", [MonRef]), - demonitor(MonRef), + erlang:demonitor(MonRef, [flush]), ets:delete(?LOCKER_TAB, Pid), %% ?vtrace("unlock -> done when" %% "~n Lockers: ~p", [ets:tab2list(?LOCKER_TAB)]), @@ -459,7 +442,7 @@ handle_cast({unlock, Pid}, [#locker{mon_ref = MonRef, type = read}] when (Cnt == 1) -> ?vdebug("unlock -> found read locker" "~n MonRef: ~p", [MonRef]), - demonitor(MonRef), + erlang:demonitor(MonRef, [flush]), ets:delete(?LOCKER_TAB, Pid), case active_waiting_writer(Waiting) of {true, StillWaiting} -> @@ -482,7 +465,7 @@ handle_cast({unlock, Pid}, [#locker{mon_ref = MonRef, type = read}] -> ?vdebug("unlock -> found read locker" "~n MonRef: ~p", [MonRef]), - demonitor(MonRef), + erlang:demonitor(MonRef, [flush]), ets:delete(?LOCKER_TAB, Pid), %% ?vtrace("unlock -> done when" %% "~n Lockers: ~p", [ets:tab2list(?LOCKER_TAB)]), @@ -492,7 +475,7 @@ handle_cast({unlock, Pid}, %% Release the hord (maybe) ?vdebug("unlock -> found write locker" "~n MonRef: ~p", [MonRef]), - demonitor(MonRef), + erlang:demonitor(MonRef, [flush]), ets:delete(?LOCKER_TAB, Pid), {Active, StillWaiting, Writer} = activate_waiting_readers_or_maybe_writer(Waiting), |