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From: Luis Lavena on 25 Jun 2010 23:14 On Jun 25, 8:33 pm, Luis Lavena <luislav...(a)gmail.com> wrote: > On Jun 25, 6:00 pm, Roger Pack <rogerpack2...(a)gmail.com> wrote: > > > > > > > >>>> $? > > >> => #<Process::Status: pid 20122 exit 0> > > >>>> $? > > >> => #<Process::Status: pid 20134 exit 0> > > > >> What are those phantom processes? > > >> -r > > > > What platform are you on? What ruby version? For me, with ruby > > > 1.8.7.249-2 standard package from Ubuntu Lucid amd64: > > > > $ irb > > > irb(main):001:0> $? > > > => nil > > > On windows it appears to behave as expected. > > > On linux (Ubuntu, I believe latest revision). > > > All built from source: > > > [25:1557][rdp(a)ilab1:~]$ ruby -v > > ruby 1.9.1p243 (2009-07-16 revision 24175) [i686-linux] > > [25:1557][rdp(a)ilab1:~]$ export RUBYOPT= > > [25:1558][rdp(a)ilab1:~]$ irb > > irb(main):001:0> $? > > => #<Process::Status: pid 21719 exit 0> > > irb(main):002:0> $? > > => #<Process::Status: pid 21731 exit 0> > > irb(main):003:0> $? > > => #<Process::Status: pid 21743 exit 0> > > irb(main):004:0> exit > > [25:1558][rdp(a)ilab1:~]$ ~/installs/ruby-1.8.7-p174_installed/bin/irb > > irb(main):001:0> $? > > => #<Process::Status: pid=21771,exited(0)> > > irb(main):002:0> $? > > => #<Process::Status: pid=21778,exited(0)> > > irb(main):003:0> $? > > => #<Process::Status: pid=21785,exited(0)> > > Linux or Windows, all the versions return nil when asked. > > Seems there is a thread you're running with your irb session that > might be spawning a lot. > It could be associated with rb-readline, but under my system it doesn't spawn more than once: :\Users\Luis>irb irb(main):001:0> $? => #<Process::Status: pid=3464,exited(0)> irb(main):002:0> $? => #<Process::Status: pid=3464,exited(0)> irb(main):003:0> $? => #<Process::Status: pid=3464,exited(0)> irb(main):004:0> $? => #<Process::Status: pid=3464,exited(0)> -- Luis Lavena
From: Roger Pack on 29 Jun 2010 10:13
>> Seems there is a thread you're running with your irb session that >> might be spawning a lot. >> > > It could be associated with rb-readline, but under my system it > doesn't spawn more than once: Interesting. I think that's it... possibly from this line: #0:/home/rdp/installs/ruby-1.9.1-p243_gc/lib/ruby/site_ruby/1.9.1/rbreadline.rb:6834:Kernel:>: @readline_echoing_p = (`stty -a`.scan(/-*echo\b/).first == 'echo') Thanks for the tip! -r -- Posted via http://www.ruby-forum.com/. |