libbinder: Parcel, remove mOwnerCookie
This field is unused, and I would like to use it. Temporarily adding a
very explicit error value here.
Bug: 167966510
Test: build & boot
Change-Id: Ie623f1639bb33420c9dcf71053c1887ffce73b5f
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index a3a2f87..28ce935 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -895,21 +895,21 @@
tr.data_size,
reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets),
tr.offsets_size/sizeof(binder_size_t),
- freeBuffer, this);
+ freeBuffer);
} else {
err = *reinterpret_cast<const status_t*>(tr.data.ptr.buffer);
freeBuffer(nullptr,
reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer),
tr.data_size,
reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets),
- tr.offsets_size/sizeof(binder_size_t), this);
+ tr.offsets_size/sizeof(binder_size_t));
}
} else {
freeBuffer(nullptr,
reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer),
tr.data_size,
reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets),
- tr.offsets_size/sizeof(binder_size_t), this);
+ tr.offsets_size/sizeof(binder_size_t));
continue;
}
}
@@ -1183,7 +1183,7 @@
reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer),
tr.data_size,
reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets),
- tr.offsets_size/sizeof(binder_size_t), freeBuffer, this);
+ tr.offsets_size/sizeof(binder_size_t), freeBuffer);
const void* origServingStackPointer = mServingStackPointer;
mServingStackPointer = &origServingStackPointer; // anything on the stack
@@ -1370,7 +1370,7 @@
void IPCThreadState::freeBuffer(Parcel* parcel, const uint8_t* data,
size_t /*dataSize*/,
const binder_size_t* /*objects*/,
- size_t /*objectsSize*/, void* /*cookie*/)
+ size_t /*objectsSize*/)
{
//ALOGI("Freeing parcel %p", &parcel);
IF_LOG_COMMANDS() {
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index feeb819..46883d1 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -2509,7 +2509,7 @@
}
void Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize,
- const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie)
+ const binder_size_t* objects, size_t objectsCount, release_func relFunc)
{
binder_size_t minOffset = 0;
freeDataNoInit();
@@ -2524,7 +2524,6 @@
mNextObjectHint = 0;
mObjectsSorted = false;
mOwner = relFunc;
- mOwnerCookie = relCookie;
for (size_t i = 0; i < mObjectsSize; i++) {
binder_size_t offset = mObjects[i];
if (offset < minOffset) {
@@ -2625,7 +2624,7 @@
if (mOwner) {
LOG_ALLOC("Parcel %p: freeing other owner data", this);
//ALOGI("Freeing data ref of %p (pid=%d)", this, getpid());
- mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie);
+ mOwner(this, mData, mDataSize, mObjects, mObjectsSize);
} else {
LOG_ALLOC("Parcel %p: freeing allocated data", this);
releaseObjects();
@@ -2788,7 +2787,7 @@
memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t));
}
//ALOGI("Freeing data ref of %p (pid=%d)", this, getpid());
- mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie);
+ mOwner(this, mData, mDataSize, mObjects, mObjectsSize);
mOwner = nullptr;
LOG_ALLOC("Parcel %p: taking ownership of %zu capacity", this, desired);
diff --git a/libs/binder/include/binder/IPCThreadState.h b/libs/binder/include/binder/IPCThreadState.h
index 49ef253..abd258e 100644
--- a/libs/binder/include/binder/IPCThreadState.h
+++ b/libs/binder/include/binder/IPCThreadState.h
@@ -186,9 +186,8 @@
static void threadDestructor(void *st);
static void freeBuffer(Parcel* parcel,
const uint8_t* data, size_t dataSize,
- const binder_size_t* objects, size_t objectsSize,
- void* cookie);
-
+ const binder_size_t* objects, size_t objectsSize);
+
const sp<ProcessState> mProcess;
Vector<BBinder*> mPendingStrongDerefs;
Vector<RefBase::weakref_type*> mPendingWeakDerefs;
diff --git a/libs/binder/include/binder/Parcel.h b/libs/binder/include/binder/Parcel.h
index 84bfe38..d16ef52 100644
--- a/libs/binder/include/binder/Parcel.h
+++ b/libs/binder/include/binder/Parcel.h
@@ -488,24 +488,21 @@
// uid.
uid_t readCallingWorkSourceUid() const;
+ void print(TextOutput& to, uint32_t flags = 0) const;
+
private:
typedef void (*release_func)(Parcel* parcel,
const uint8_t* data, size_t dataSize,
- const binder_size_t* objects, size_t objectsSize,
- void* cookie);
-
+ const binder_size_t* objects, size_t objectsSize);
+
uintptr_t ipcData() const;
size_t ipcDataSize() const;
uintptr_t ipcObjects() const;
size_t ipcObjectsCount() const;
void ipcSetDataReference(const uint8_t* data, size_t dataSize,
const binder_size_t* objects, size_t objectsCount,
- release_func relFunc, void* relCookie);
-
-public:
- void print(TextOutput& to, uint32_t flags = 0) const;
+ release_func relFunc);
-private:
Parcel(const Parcel& o);
Parcel& operator=(const Parcel& o);
@@ -612,7 +609,9 @@
mutable bool mDeallocZero;
release_func mOwner;
- void* mOwnerCookie;
+
+ // TODO(167966510): reserved for binder/version/stability
+ void* mReserved = reinterpret_cast<void*>(0xAAAAAAAA);
class Blob {
public: