diff options
-rw-r--r-- | lib/mixlib/shellout/unix.rb | 5 | ||||
-rw-r--r-- | spec/mixlib/shellout_spec.rb | 25 |
2 files changed, 18 insertions, 12 deletions
diff --git a/lib/mixlib/shellout/unix.rb b/lib/mixlib/shellout/unix.rb index cd9790a..2bde64a 100644 --- a/lib/mixlib/shellout/unix.rb +++ b/lib/mixlib/shellout/unix.rb @@ -280,7 +280,10 @@ module Mixlib # support the "ONESHOT" optimization (where sh -c does exec without # forking). To support cleaning up all the children, we need to # ensure they're in a unique process group. - Process.setsid + # We cannot use setsid here since getpgid fails on AIX with EPERM + # when parent and child have different sessions and the parent tries to get the process group, + # hence we just create a new process group, and have the same session. + Process.setpgrp configure_subprocess_file_descriptors diff --git a/spec/mixlib/shellout_spec.rb b/spec/mixlib/shellout_spec.rb index f7625e1..cb0a33d 100644 --- a/spec/mixlib/shellout_spec.rb +++ b/spec/mixlib/shellout_spec.rb @@ -935,7 +935,7 @@ describe Mixlib::ShellOut do let(:cmd) { [ 'exit' ] } it "handles ESRCH from getpgid of a zombie", :unix_only do - Process.stub(:setsid) { exit!(4) } + Process.stub(:setpgrp) { exit!(4) } # there is a small race condition here if the child doesn't get # scheduled and call exit! before the parent can call getpgid, so run @@ -1068,16 +1068,19 @@ describe Mixlib::ShellOut do shell_cmd.stdout.should include("got term in child") shell_cmd.stdout.should include("got term in grandchild") - Process.kill(:INT, child_pgid) # should raise ESRCH - - # Debug the failure: - puts "child pgid=#{child_pgid.inspect}" - Process.wait - puts "collected process: #{$?.inspect}" - puts "initial process listing:\n#{initial_process_listing}" - puts "current process listing:" - puts `ps -j` - raise "Failed to kill all expected processes" + kill_return_val = Process.kill(:INT, child_pgid) # should raise ESRCH + # AIX - kill returns code > 0 for error, where as other platforms return -1. Ruby code signal.c treats < 0 as error and raises exception and hence fails on AIX. So we check the return code for assertions since ruby wont raise an error here. + + if(kill_return_val == 0) + # Debug the failure: + puts "child pgid=#{child_pgid.inspect}" + Process.wait + puts "collected process: #{$?.inspect}" + puts "initial process listing:\n#{initial_process_listing}" + puts "current process listing:" + puts `ps -j` + raise "Failed to kill all expected processes" + end rescue Errno::ESRCH # this is what we want end |