Nothing
#' Select the queueing system on package loading
#'
#' This is done by setting the variable 'qsys' in the package environment
#' to the object that contains the desired queueing system.
#'
#' @param libname default arg for compatibility
#' @param pkgname default arg for compatibility
#' @keywords internal
.onLoad = function(libname, pkgname) {
qsys_default = toupper(getOption('clustermq.scheduler'))
if (length(qsys_default) == 0) {
qname = c("SLURM", "LSF", "SGE", "LOCAL")
exec = Sys.which(c("sbatch", "bsub", "qsub"))
select = c(which(nchar(exec) > 0), 4)[1]
qsys_default = qname[select]
}
assign("qsys_default", qsys_default, envir=parent.env(environment()))
}
#' Report queueing system on package attach if not set
#'
#' @param libname default arg for compatibility
#' @param pkgname default arg for compatibility
#' @keywords internal
.onAttach = function(libname, pkgname) {
if (is.null(getOption("clustermq.scheduler"))) {
packageStartupMessage("* Option 'clustermq.scheduler' not set, ",
"defaulting to ", sQuote(qsys_default))
packageStartupMessage("--- see: https://mschubert.github.io/clustermq/articles/userguide.html#configuration")
}
if (!libzmq_has_draft()) {
packageStartupMessage("* Worker disconnect monitor is disabled")
packageStartupMessage("--- see: https://mschubert.github.io/clustermq/articles/userguide.html#installation")
}
}
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