[starvation][global] add android View models

Summary: Add models for `View` methods that schedule on the UI thread.

Reviewed By: skcho

Differential Revision: D21767954

fbshipit-source-id: 015441ea7

infer/src/concurrency/StarvationModels.ml

@@ -252,10 +252,10 @@ let schedules_work =
   fun tenv pname -> matcher tenv pname []
 
 
-let schedules_work_on_ui_thread =
+let schedules_first_arg_on_ui_thread =
   let open MethodMatcher in
   let matcher =
-    [ { default with
+    { default with
       classname= "java.lang.Object"
     ; methods=
         [ "postOnUiThread"
@@ -263,13 +263,24 @@ let schedules_work_on_ui_thread =
         ; "postToUiThread"
         ; "runOnUiThread"
         ; "runOnUiThreadAsync"
-          ; "runOnUiThreadAsyncWithDelay" ] } ]
+        ; "runOnUiThreadAsyncWithDelay" ] }
-    |> of_records
+    |> of_record
+  in
+  fun tenv pname -> matcher tenv pname []
+
+
+let schedules_second_arg_on_ui_thread =
+  let open MethodMatcher in
+  let matcher =
+    { default with
+      classname= "android.view.View"
+    ; methods= ["post"; "postDelayed"; "postOnAnimation"] }
+    |> of_record
   in
   fun tenv pname -> matcher tenv pname []
 
 
-let schedules_work_on_bg_thread =
+let schedules_first_arg_on_bg_thread =
   let open MethodMatcher in
   let matcher =
     [ {default with classname= "java.lang.Object"; methods= ["scheduleGuaranteedDelayed"]}

infer/src/concurrency/StarvationModels.mli

@@ -52,11 +52,17 @@ val get_returned_executor :
   Tenv.t -> Procname.t -> HilExp.t list -> scheduler_thread_constraint option
 (** does the function return an executor and of which thread? *)
 
-val schedules_work_on_ui_thread : Tenv.t -> Procname.t -> bool
+val schedules_first_arg_on_ui_thread : Tenv.t -> Procname.t -> bool
-(** method call known to directly schedule work on UI thread *)
+(** method call known to directly schedule the runnable object provided as first procedure argument
+    on the UI thread *)
 
-val schedules_work_on_bg_thread : Tenv.t -> Procname.t -> bool
+val schedules_second_arg_on_ui_thread : Tenv.t -> Procname.t -> bool
-(** method call known to directly schedule work on BG thread *)
+(** method call known to directly schedule the runnable object provided as second procedure argument
+    on a background thread *)
+
+val schedules_first_arg_on_bg_thread : Tenv.t -> Procname.t -> bool
+(** method call known to directly the runnable object provided as first procedure argument on a
+    background thread *)
 
 val is_getMainLooper : Tenv.t -> Procname.t -> HilExp.t list -> bool
 

infer/src/concurrency/starvation.ml

@@ -95,9 +95,12 @@ module TransferFunctions (CFG : ProcCfg.S) = struct
             |> Option.value ~default:StarvationModels.ForUnknownThread
           in
           Some (runnable, thread)
-      | Some runnable :: _ when StarvationModels.schedules_work_on_ui_thread tenv callee ->
+      | Some runnable :: _ when StarvationModels.schedules_first_arg_on_ui_thread tenv callee ->
           Some (runnable, StarvationModels.ForUIThread)
-      | Some runnable :: _ when StarvationModels.schedules_work_on_bg_thread tenv callee ->
+      | _ :: Some runnable :: _ when StarvationModels.schedules_second_arg_on_ui_thread tenv callee
+        ->
+          Some (runnable, StarvationModels.ForUIThread)
+      | Some runnable :: _ when StarvationModels.schedules_first_arg_on_bg_thread tenv callee ->
           Some (runnable, StarvationModels.ForNonUIThread)
       | _ ->
           None

infer/tests/codetoanalyze/java/starvation-whole-program/MyView.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import android.content.Context;
+import android.view.View;
+import java.util.concurrent.Executor;
+
+class MyView extends View {
+  MyView(Context c) {
+    super(c);
+  }
+
+  Object monitorA, monitorB;
+  @ForNonUiThread private final Executor mNonUiThreadExecutor = null;
+
+  void scheduleOnBGThread() {
+    mNonUiThreadExecutor.execute(
+        new Runnable() {
+          @Override
+          public void run() {
+            synchronized (monitorA) {
+              synchronized (monitorB) {
+              }
+            }
+          }
+        });
+  }
+
+  void scheduleOnUIThread() {
+    post(
+        new Runnable() {
+          @Override
+          public void run() {
+            synchronized (monitorB) {
+              synchronized (monitorA) {
+              }
+            }
+          }
+        });
+  }
+}

infer/tests/codetoanalyze/java/starvation-whole-program/issues.exp

@@ -31,6 +31,8 @@ codetoanalyze/java/starvation-whole-program/MyActivity.java, MyActivity.onStart(
 codetoanalyze/java/starvation-whole-program/MyActivity.java, MyActivity.onStop():void, 48, STARVATION, no_bucket, ERROR, [[Trace 1] `void MyActivity.onStop()`, locks `this.monitorA` in `class MyActivity`,[Trace 2] `void MyActivity.onStop()`,Method call: `void MyActivity$1.run()`, locks `this.this$0.monitorA` in `class MyActivity$1`,Method call: `void MyActivity.bad()`,calls `boolean Binder.transact(int,Parcel,Parcel,int)`]
 codetoanalyze/java/starvation-whole-program/MyServiceConnection.java, MyServiceConnection.onServiceConnected(android.content.ComponentName,android.os.IBinder):void, 37, STARVATION, no_bucket, ERROR, [`void MyServiceConnection.onServiceConnected(ComponentName,IBinder)`,Method call: `void MyServiceConnection.bad()`,calls `boolean Binder.transact(int,Parcel,Parcel,int)`]
 codetoanalyze/java/starvation-whole-program/MyServiceConnection.java, MyServiceConnection.onServiceDisconnected(android.content.ComponentName):void, 42, STARVATION, no_bucket, ERROR, [`void MyServiceConnection.onServiceDisconnected(ComponentName)`,Method call: `void MyServiceConnection.bad()`,calls `boolean Binder.transact(int,Parcel,Parcel,int)`]
+codetoanalyze/java/starvation-whole-program/MyView.java, MyView.scheduleOnBGThread():void, 21, DEADLOCK, no_bucket, ERROR, [[Trace 1] `void MyView.scheduleOnBGThread()`,Method call: `void MyView$1.run()`, locks `this.this$0.monitorA` in `class MyView$1`, locks `this.this$0.monitorB` in `class MyView$1`,[Trace 2] `void MyView.scheduleOnUIThread()`,Method call: `void MyView$2.run()`, locks `this.this$0.monitorB` in `class MyView$2`, locks `this.this$0.monitorA` in `class MyView$2`]
+codetoanalyze/java/starvation-whole-program/MyView.java, MyView.scheduleOnUIThread():void, 34, DEADLOCK, no_bucket, ERROR, [[Trace 1] `void MyView.scheduleOnUIThread()`,Method call: `void MyView$2.run()`, locks `this.this$0.monitorB` in `class MyView$2`, locks `this.this$0.monitorA` in `class MyView$2`,[Trace 2] `void MyView.scheduleOnBGThread()`,Method call: `void MyView$1.run()`, locks `this.this$0.monitorA` in `class MyView$1`, locks `this.this$0.monitorB` in `class MyView$1`]
 codetoanalyze/java/starvation-whole-program/StaticInitAttributes.java, StaticInitAttributes.postBlockingCallToUIExecutorBad():void, 52, STARVATION, no_bucket, ERROR, [`void StaticInitAttributes.postBlockingCallToUIExecutorBad()`,Method call: `void StaticInitAttributes$1.run()`,Method call: `void StaticInitAttributes.doTransact()`,calls `boolean Binder.transact(int,Parcel,Parcel,int)`]
 codetoanalyze/java/starvation-whole-program/StaticInitAttributes.java, StaticInitAttributes.postBlockingCallToUIHandlerBad():void, 64, STARVATION, no_bucket, ERROR, [`void StaticInitAttributes.postBlockingCallToUIHandlerBad()`,Method call: `void StaticInitAttributes$1.run()`,Method call: `void StaticInitAttributes.doTransact()`,calls `boolean Binder.transact(int,Parcel,Parcel,int)`]
 codetoanalyze/java/starvation-whole-program/ThreadScheduling.java, ThreadScheduling.scheduleBlockingCallOnContendedLockBad():void, 36, STARVATION, no_bucket, ERROR, [[Trace 1] `void ThreadScheduling.scheduleBlockingCallOnContendedLockBad()`,Method call: `void ThreadScheduling$2.run()`, locks `this.this$0.monitorA` in `class ThreadScheduling$2`,[Trace 2] `void ThreadScheduling.scheduleBlockingCallOnContendedLockBad()`,Method call: `void ThreadScheduling$1.run()`, locks `this.this$0.monitorA` in `class ThreadScheduling$1`,Method call: `void ThreadScheduling.doTransact()`,calls `boolean Binder.transact(int,Parcel,Parcel,int)`]