Merge "audio policy: remove special notifications handling in call"
diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index 5cfa0ee..ca3b6b6 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -112,13 +112,17 @@
     Mutex::Autolock _l(mNotificationClientsLock);
 
     uid_t uid = IPCThreadState::self()->getCallingUid();
-    if (mNotificationClients.indexOfKey(uid) < 0) {
+    pid_t pid = IPCThreadState::self()->getCallingPid();
+    int64_t token = ((int64_t)uid<<32) | pid;
+
+    if (mNotificationClients.indexOfKey(token) < 0) {
         sp<NotificationClient> notificationClient = new NotificationClient(this,
                                                                            client,
-                                                                           uid);
-        ALOGV("registerClient() client %p, uid %d", client.get(), uid);
+                                                                           uid,
+                                                                           pid);
+        ALOGV("registerClient() client %p, uid %d pid %d", client.get(), uid, pid);
 
-        mNotificationClients.add(uid, notificationClient);
+        mNotificationClients.add(token, notificationClient);
 
         sp<IBinder> binder = IInterface::asBinder(client);
         binder->linkToDeath(notificationClient);
@@ -130,22 +134,33 @@
     Mutex::Autolock _l(mNotificationClientsLock);
 
     uid_t uid = IPCThreadState::self()->getCallingUid();
-    if (mNotificationClients.indexOfKey(uid) < 0) {
+    pid_t pid = IPCThreadState::self()->getCallingPid();
+    int64_t token = ((int64_t)uid<<32) | pid;
+
+    if (mNotificationClients.indexOfKey(token) < 0) {
         return;
     }
-    mNotificationClients.valueFor(uid)->setAudioPortCallbacksEnabled(enabled);
+    mNotificationClients.valueFor(token)->setAudioPortCallbacksEnabled(enabled);
 }
 
 // removeNotificationClient() is called when the client process dies.
-void AudioPolicyService::removeNotificationClient(uid_t uid)
+void AudioPolicyService::removeNotificationClient(uid_t uid, pid_t pid)
 {
     {
         Mutex::Autolock _l(mNotificationClientsLock);
-        mNotificationClients.removeItem(uid);
+        int64_t token = ((int64_t)uid<<32) | pid;
+        mNotificationClients.removeItem(token);
     }
     {
         Mutex::Autolock _l(mLock);
-        if (mAudioPolicyManager) {
+        bool hasSameUid = false;
+        for (size_t i = 0; i < mNotificationClients.size(); i++) {
+            if (mNotificationClients.valueAt(i)->uid() == uid) {
+                hasSameUid = true;
+                break;
+            }
+        }
+        if (mAudioPolicyManager && !hasSameUid) {
             // called from binder death notification: no need to clear caller identity
             mAudioPolicyManager->releaseResourcesForUid(uid);
         }
@@ -233,8 +248,9 @@
 
 AudioPolicyService::NotificationClient::NotificationClient(const sp<AudioPolicyService>& service,
                                                      const sp<IAudioPolicyServiceClient>& client,
-                                                     uid_t uid)
-    : mService(service), mUid(uid), mAudioPolicyServiceClient(client),
+                                                     uid_t uid,
+                                                     pid_t pid)
+    : mService(service), mUid(uid), mPid(pid), mAudioPolicyServiceClient(client),
       mAudioPortCallbacksEnabled(false)
 {
 }
@@ -248,7 +264,7 @@
     sp<NotificationClient> keep(this);
     sp<AudioPolicyService> service = mService.promote();
     if (service != 0) {
-        service->removeNotificationClient(mUid);
+        service->removeNotificationClient(mUid, mPid);
     }
 }
 
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index ed3324b..a1366bb 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -220,7 +220,7 @@
             virtual status_t clientSetAudioPortConfig(const struct audio_port_config *config,
                                                       int delayMs);
 
-            void removeNotificationClient(uid_t uid);
+            void removeNotificationClient(uid_t uid, pid_t pid);
             void onAudioPortListUpdate();
             void doOnAudioPortListUpdate();
             void onAudioPatchListUpdate();
@@ -572,7 +572,7 @@
     public:
                             NotificationClient(const sp<AudioPolicyService>& service,
                                                 const sp<IAudioPolicyServiceClient>& client,
-                                                uid_t uid);
+                                                uid_t uid, pid_t pid);
         virtual             ~NotificationClient();
 
                             void      onAudioPortListUpdate();
@@ -585,6 +585,10 @@
                                         audio_patch_handle_t patchHandle);
                             void      setAudioPortCallbacksEnabled(bool enabled);
 
+                            uid_t uid() {
+                                return mUid;
+                            }
+
                 // IBinder::DeathRecipient
                 virtual     void        binderDied(const wp<IBinder>& who);
 
@@ -594,6 +598,7 @@
 
         const wp<AudioPolicyService>        mService;
         const uid_t                         mUid;
+        const pid_t                         mPid;
         const sp<IAudioPolicyServiceClient> mAudioPolicyServiceClient;
               bool                          mAudioPortCallbacksEnabled;
     };
@@ -657,7 +662,7 @@
     AudioPolicyInterface *mAudioPolicyManager;
     AudioPolicyClient *mAudioPolicyClient;
 
-    DefaultKeyedVector< uid_t, sp<NotificationClient> >    mNotificationClients;
+    DefaultKeyedVector< int64_t, sp<NotificationClient> >    mNotificationClients;
     Mutex mNotificationClientsLock;  // protects mNotificationClients
     // Manage all effects configured in audio_effects.conf
     sp<AudioPolicyEffects> mAudioPolicyEffects;