status_t BnMemoryHeap::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case HEAP_ID: {
CHECK_INTERFACE(IMemoryHeap, data, reply);
reply->writeFileDescriptor(getHeapID());
reply->writeInt32(getSize());
reply->writeInt32(getFlags());
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
status_t MemoryHeapPmem::unslap()
{
#ifdef HAVE_ANDROID_OS
size_t size = getSize();
const size_t pagesize = getpagesize();
size = (size + pagesize-1) & ~(pagesize-1);
int our_fd = getHeapID();
struct pmem_region sub = { 0, size };
int err = ioctl(our_fd, PMEM_UNMAP, &sub);
ALOGE_IF(err<0, "PMEM_UNMAP failed (%s), "
"mFD=%d, sub.offset=%lu, sub.size=%lu",
strerror(errno), our_fd, sub.offset, sub.len);
return -errno;
#else
return NO_ERROR;
#endif
}
