On 09/10/2015 03:13 PM, Vitaly Davidovich wrote: > So what happens after safepoint is done and thread accesses the > mapping (it would need protection NONE, not just write)? JVM is then > going to trap the signal and convert to an exception?
One of us is missing something, and I don't think it's me. :-) There is a protection page (just one page) associated with every mapping. Every access to a mapping is guarded by that protection page. The protection page is mapped for as long as the MappedByteBuffer is alive. Andrew.
