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dllInfo <- NULL
mallocDllInfo <- NULL
.onLoad <- function(libname, pkgname) {
# load tbb and tbbmalloc on supported platforms
tbb <- tbbLibPath()
if (!is.null(tbb)) {
if (!file.exists(tbb)) {
warning(paste("TBB library", tbb, "not found."))
} else {
dllInfo <<- dyn.load(tbb, local = FALSE, now = TRUE)
}
}
tbbMalloc <- tbbLibPath("malloc")
if (!is.null(tbbMalloc)) {
if (!file.exists(tbbMalloc)) {
warning(paste("TBB malloc library", tbbMalloc, "not found."))
} else {
mallocDllInfo <<- dyn.load(tbbMalloc, local = FALSE, now = TRUE)
}
}
# load the package library
library.dynam("RcppParallel", pkgname, libname)
}
.onUnload <- function(libpath) {
# unload the package library
library.dynam.unload("RcppParallel", libpath)
# unload tbb if we loaded it
if (!is.null(dllInfo))
dyn.unload(dllInfo[["path"]])
# unload tbbmalloc if we loaded it
if (!is.null(mallocDllInfo))
dyn.unload(mallocDllInfo[["path"]])
}
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