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Make IPowerManager native conform to .aidl for oneway 

But provide a temporary escape hatch for AudioFlinger.
This oneway option will be removed as soon as possible.

Bug: 16408906
Change-Id: I20d6da1969ae05b96e72795463470eb4c1f8fbdc
This commit is contained in:
Glenn Kasten 2014-09-05 16:46:46 -07:00
parent 253c4720af
commit a602086872
2 changed files with 21 additions and 14 deletions
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11
include/powermanager/IPowerManager.h
View File

@ -31,12 +31,15 @@ class IPowerManager : public IInterface
public: public:
DECLARE_META_INTERFACE(PowerManager); DECLARE_META_INTERFACE(PowerManager);
// FIXME remove the bool isOneWay parameters as they are not oneway in the .aidl
virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag, virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag,
const String16& packageName) = 0; const String16& packageName, bool isOneWay = false) = 0;
virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag, virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag,
const String16& packageName, int uid) = 0; const String16& packageName, int uid, bool isOneWay = false) = 0;
virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags) = 0; virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags, bool isOneWay = false) = 0;
virtual status_t updateWakeLockUids(const sp<IBinder>& lock, int len, const int *uids) = 0; virtual status_t updateWakeLockUids(const sp<IBinder>& lock, int len, const int *uids,
bool isOneWay = false) = 0;
// oneway in the .aidl
virtual status_t powerHint(int hintId, int data) = 0; virtual status_t powerHint(int hintId, int data) = 0;
}; };

24
services/powermanager/IPowerManager.cpp
View File

@ -45,7 +45,7 @@ public:
} }
virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag, virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag,
const String16& packageName) const String16& packageName, bool isOneWay)
{ {
Parcel data, reply; Parcel data, reply;
data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());
@ -56,11 +56,12 @@ public:
data.writeString16(packageName); data.writeString16(packageName);
data.writeInt32(0); // no WorkSource data.writeInt32(0); // no WorkSource
data.writeString16(NULL, 0); // no history tag data.writeString16(NULL, 0); // no history tag
return remote()->transact(ACQUIRE_WAKE_LOCK, data, &reply, IBinder::FLAG_ONEWAY); return remote()->transact(ACQUIRE_WAKE_LOCK, data, &reply,
isOneWay ? IBinder::FLAG_ONEWAY : 0);
} }
virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag, virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag,
const String16& packageName, int uid) const String16& packageName, int uid, bool isOneWay)
{ {
Parcel data, reply; Parcel data, reply;
data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());
@ -70,26 +71,28 @@ public:
data.writeString16(tag); data.writeString16(tag);
data.writeString16(packageName); data.writeString16(packageName);
data.writeInt32(uid); // uid to blame for the work data.writeInt32(uid); // uid to blame for the work
return remote()->transact(ACQUIRE_WAKE_LOCK_UID, data, &reply, IBinder::FLAG_ONEWAY); return remote()->transact(ACQUIRE_WAKE_LOCK_UID, data, &reply,
isOneWay ? IBinder::FLAG_ONEWAY : 0);
} }
virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags) virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags, bool isOneWay)
{ {
Parcel data, reply; Parcel data, reply;
data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());
data.writeStrongBinder(lock); data.writeStrongBinder(lock);
data.writeInt32(flags); data.writeInt32(flags);
return remote()->transact(RELEASE_WAKE_LOCK, data, &reply, IBinder::FLAG_ONEWAY); return remote()->transact(RELEASE_WAKE_LOCK, data, &reply,
isOneWay ? IBinder::FLAG_ONEWAY : 0);
} }
virtual status_t updateWakeLockUids(const sp<IBinder>& lock, int len, const int *uids) { virtual status_t updateWakeLockUids(const sp<IBinder>& lock, int len, const int *uids,
bool isOneWay) {
Parcel data, reply; Parcel data, reply;
data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());
data.writeStrongBinder(lock); data.writeStrongBinder(lock);
data.writeInt32Array(len, uids); data.writeInt32Array(len, uids);
// We don't really care too much if this succeeds (there's nothing we can do if it doesn't) return remote()->transact(UPDATE_WAKE_LOCK_UIDS, data, &reply,
// but it should return ASAP isOneWay ? IBinder::FLAG_ONEWAY : 0);
return remote()->transact(UPDATE_WAKE_LOCK_UIDS, data, &reply, IBinder::FLAG_ONEWAY);
} }
virtual status_t powerHint(int hintId, int param) virtual status_t powerHint(int hintId, int param)
@ -98,6 +101,7 @@ public:
data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());
data.writeInt32(hintId); data.writeInt32(hintId);
data.writeInt32(param); data.writeInt32(param);
// This FLAG_ONEWAY is in the .aidl, so there is no way to disable it
return remote()->transact(POWER_HINT, data, &reply, IBinder::FLAG_ONEWAY); return remote()->transact(POWER_HINT, data, &reply, IBinder::FLAG_ONEWAY);
} }
}; };