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view R/scratch/dynamic_loading.R @ 34:2682a627168c

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- breaking changes: * restrict 'Z' conversions to immutable types * restrict 'p' to mutable types (and handles)
author Tassilo Philipp
date Sun, 12 Apr 2020 19:37:37 +0200
parents 0cfcc391201f
children
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#
# GOAL:
# automatic unloading when all symbols from a library are free'ed.
#
# 
#
# loading a shared library

# low-level R
x <- dyn.load("/lib/libc.so.6")
handle <- x[["handle"]]




# high-level R in conjunction with R packages
library.dynam()

prot = library
R_MakeExternalPtr(addr, tag, prot)




x <- .dynload("/lib/libc.so.6")
y <- .dynsym(x, "glBegin")