SocketNotifier not thread-safe #2345
Description
getting race reports from reactor tests with thread sanitizer build
WARNING: ThreadSanitizer: data race (pid=27893)
Write of size 8 at 0x7d0c00009ba8 by thread T2:
#0 operator delete(void*) <null> (libtsan.so.0+0x000000025d19)
#1 Poco::Net::StreamSocketImpl::~StreamSocketImpl() <null> (libPocoNet.so.80+0x0000000cce29)
#2 Poco::Net::Socket::~Socket() <null> (libPocoNet.so.80+0x00000008c005)
looks like the impl pointer should be atomic (or access protected by mutex)?