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Contents
# frozen_string_literal: true
require_relative '../../puppet'
# A module for building AtFork handlers. These handlers are objects providing
# pre/post fork callbacks modeled after those registered by the `pthread_atfork`
# function.
# Currently there are two AtFork handler implementations:
# - a noop implementation used on all platforms except Solaris (and possibly
# even there as a fallback)
# - a Solaris implementation which ensures the forked process runs in a different
# contract than the parent process. This is necessary for agent runs started by
# the puppet agent service to be able to restart that service without being
# killed in the process as a consequence of running in the same contract as the
# service.
module Puppet::Util::AtFork
@handler_class = loop do # rubocop:disable Lint/UnreachableLoop
if Puppet::Util::Platform.solaris?
begin
require_relative 'at_fork/solaris'
# using break to return a value from the loop block
break Puppet::Util::AtFork::Solaris
rescue LoadError => detail
Puppet.log_exception(detail, _('Failed to load Solaris implementation of the Puppet::Util::AtFork handler. Child process contract management will be unavailable, which means that agent runs executed by the puppet agent service will be killed when they attempt to restart the service.'))
# fall through to use the no-op implementation
end
end
require_relative 'at_fork/noop'
# using break to return a value from the loop block
break Puppet::Util::AtFork::Noop
end
def self.get_handler
@handler_class.new
end
end
Version data entries
32 entries across 32 versions & 1 rubygems