On Thu, 15 Sep 2016, Jeroen Ooms wrote:
Given an externalptr object 'pool' which protects an R object 'prot':
# SEXP prot = (a dynamically updated list with handles)
SEXP pool = R_MakeExternalPtr(p, R_NilValue, prot);
R_RegisterCFinalizerEx(pool, fin_pool, TRUE);
WRE explains that 'prot' r
Given an externalptr object 'pool' which protects an R object 'prot':
# SEXP prot = (a dynamically updated list with handles)
SEXP pool = R_MakeExternalPtr(p, R_NilValue, prot);
R_RegisterCFinalizerEx(pool, fin_pool, TRUE);
WRE explains that 'prot' remains in existence as long as 'pool' is