sp<IMemoryHeap> BpMemory::getMemory(ssize_t* offset, size_t* size) const { if (mHeap == 0) { Parcel data, reply; data.writeInterfaceToken(IMemory::getInterfaceDescriptor()); if (remote()->transact(GET_MEMORY, data, &reply) == NO_ERROR) { sp<IBinder> heap = reply.readStrongBinder(); ssize_t o = reply.readInt32(); size_t s = reply.readInt32(); if (heap != 0) { mHeap = interface_cast<IMemoryHeap>(heap); if (mHeap != 0) { size_t heapSize = mHeap->getSize(); if (s <= heapSize && o >= 0 && (static_cast<size_t>(o) <= heapSize - s)) { mOffset = o; mSize = s; } else { // Hm. android_errorWriteWithInfoLog(0x534e4554, "26877992", -1, NULL, 0); mOffset = 0; mSize = 0; } } } } } if (offset) *offset = mOffset; if (size) *size = mSize; return (mSize > 0) ? mHeap : 0; }
void BufferQueueConsumer::dump(String8& result, const char* prefix) const { const IPCThreadState* ipc = IPCThreadState::self(); const pid_t pid = ipc->getCallingPid(); const uid_t uid = ipc->getCallingUid(); if ((uid != AID_SHELL) && !PermissionCache::checkPermission(String16( "android.permission.DUMP"), pid, uid)) { result.appendFormat("Permission Denial: can't dump BufferQueueConsumer " "from pid=%d, uid=%d\n", pid, uid); android_errorWriteWithInfoLog(0x534e4554, "27046057", uid, NULL, 0); } else { mCore->dump(result, prefix); } }