Sha256: 4bbd6f99ed2ddc38b416dbcaaffd4e739fced3c4f15525704af45affcf5eb798
Contents?: true
Size: 1.61 KB
Versions: 28
Compression:
Stored size: 1.61 KB
Contents
require 'rbbt/util/concurrency/processes/socket' class RbbtProcessQueue class RbbtProcessQueueWorker attr_reader :pid, :queue, :callback_queue, :cleanup, :block def initialize(queue, callback_queue = nil, cleanup = nil, &block) @queue, @callback_queue, @cleanup, @block = queue, callback_queue, cleanup, block @pid = Process.fork do begin @cleanup.call if @cleanup @queue.close_write if @callback_queue Misc.purge_pipes(@callback_queue.swrite) @callback_queue.close_read else Misc.purge_pipes end Signal.trap(:INT){ Kernel.exit! -1 } loop do p = @queue.pop next if p.nil? raise p if Exception === p raise p.first if Exception === p.first res = @block.call *p @callback_queue.push res if @callback_queue end Kernel.exit! 0 rescue ClosedStream rescue Aborted, Interrupt Log.warn "Worker #{Process.pid} aborted" Kernel.exit! -1 rescue Exception @callback_queue.push($!) if @callback_queue Kernel.exit! -1 ensure @callback_queue.close_write if @callback_queue end end end def join joined_pid = Process.waitpid @pid end def abort begin Process.kill :INT, @pid rescue end end def done? begin Process.waitpid @pid, Process::WNOHANG rescue Errno::ECHILD true rescue false end end end end
Version data entries
28 entries across 28 versions & 1 rubygems