1 files changed, 0 insertions, 115 deletions
diff --git a/src/couchdb/couch_work_queue.erl b/src/couchdb/couch_work_queue.erl
deleted file mode 100644
index decfcad8..00000000
--- a/src/couchdb/couch_work_queue.erl
+++ /dev/null
@@ -1,115 +0,0 @@
-% Licensed under the Apache License, Version 2.0 (the "License"); you may not
-% use this file except in compliance with the License. You may obtain a copy of
-% the License at
-%
-%   http://www.apache.org/licenses/LICENSE-2.0
-%
-% Unless required by applicable law or agreed to in writing, software
-% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-% License for the specific language governing permissions and limitations under
-% the License.
-
--module(couch_work_queue).
--behaviour(gen_server).
-
--export([new/2,queue/2,dequeue/1,dequeue/2,close/1]).
--export([init/1, terminate/2, handle_call/3, handle_cast/2, code_change/3, handle_info/2]).
-
--record(q, {
-    queue=queue:new(),
-    blocked=[],
-    max_size,
-    max_items,
-    items=0,
-    size=0,
-    work_waiter=nil,
-    close_on_dequeue=false
-}).
-
-new(MaxSize, MaxItems) ->
-    gen_server:start_link(couch_work_queue, {MaxSize, MaxItems}, []).
-
-queue(Wq, Item) ->
-    gen_server:call(Wq, {queue, Item}, infinity).
-
-dequeue(Wq) ->
-    dequeue(Wq, all).
-    
-dequeue(Wq, MaxItems) ->
-    try gen_server:call(Wq, {dequeue, MaxItems}, infinity)
-    catch
-        _:_ -> closed
-    end.
-
-close(Wq) ->
-    gen_server:cast(Wq, close).
-    
-
-init({MaxSize,MaxItems}) ->
-    {ok, #q{max_size=MaxSize, max_items=MaxItems}}.
-
-terminate(_Reason, #q{work_waiter=nil}) ->
-    ok;
-terminate(_Reason, #q{work_waiter={WWFrom, _}}) ->
-    gen_server:reply(WWFrom, closed).
-    
-handle_call({queue, Item}, From, #q{work_waiter=nil}=Q0) ->
-    Q = Q0#q{size=Q0#q.size + byte_size(term_to_binary(Item)),
-                items=Q0#q.items + 1,
-                queue=queue:in(Item, Q0#q.queue)},
-    case (Q#q.size >= Q#q.max_size) orelse
-            (Q#q.items >= Q#q.max_items) of
-    true ->
-        {noreply, Q#q{blocked=[From | Q#q.blocked]}};
-    false ->
-        {reply, ok, Q}
-    end;
-handle_call({queue, Item}, _From, #q{work_waiter={WWFrom, _Max}}=Q) ->
-    gen_server:reply(WWFrom, {ok, [Item]}),
-    {reply, ok, Q#q{work_waiter=nil}};
-handle_call({dequeue, _Max}, _From, #q{work_waiter=WW}) when WW /= nil ->
-    exit("Only one caller allowed to wait for work at a time");
-handle_call({dequeue, Max}, From, #q{items=0}=Q) ->
-    {noreply, Q#q{work_waiter={From, Max}}};
-handle_call({dequeue, Max}, _From, #q{queue=Queue, max_size=MaxSize,
-        max_items=MaxItems, items=Items,close_on_dequeue=Close}=Q) ->
-    if Max >= Items orelse Max == all ->
-        [gen_server:reply(From, ok) || From <- Q#q.blocked],
-        Q2 = #q{max_size=MaxSize, max_items=MaxItems},
-        if Close ->
-            {stop, normal, {ok, queue:to_list(Queue)}, Q2};
-        true ->
-            {reply, {ok, queue:to_list(Queue)}, Q2}
-        end;
-    true ->
-        {DequeuedItems, Queue2, Blocked2} =
-                dequeue_items(Max, Queue, Q#q.blocked, []),
-        {reply, {ok, DequeuedItems},
-                Q#q{items=Items-Max,blocked=Blocked2,queue=Queue2}}
-    end.
-
-dequeue_items(0, Queue, Blocked, DequeuedAcc) ->
-    {lists:reverse(DequeuedAcc), Queue, Blocked};
-dequeue_items(NumItems, Queue, Blocked, DequeuedAcc) ->
-    {{value, Item}, Queue2} = queue:out(Queue),
-    case Blocked of
-    [] ->
-        Blocked2 = Blocked;
-    [From|Blocked2] ->
-        gen_server:reply(From, ok)
-    end,
-    dequeue_items(NumItems-1, Queue2, Blocked2, [Item | DequeuedAcc]).
-    
-
-handle_cast(close, #q{items=0}=Q) ->
-    {stop, normal, Q};
-handle_cast(close, Q) ->
-    {noreply, Q#q{close_on_dequeue=true}}.
-
-
-code_change(_OldVsn, State, _Extra) ->
-    {ok, State}.
-
-handle_info(X, Q) ->
-    {stop, X, Q}.