diff options
Diffstat (limited to 'spec/ruby/core/process/setpgrp_spec.rb')
-rw-r--r-- | spec/ruby/core/process/setpgrp_spec.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/spec/ruby/core/process/setpgrp_spec.rb b/spec/ruby/core/process/setpgrp_spec.rb new file mode 100644 index 0000000000..8e72795f96 --- /dev/null +++ b/spec/ruby/core/process/setpgrp_spec.rb @@ -0,0 +1,37 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +# TODO: put these in the right files. +describe "Process.setpgrp and Process.getpgrp" do + platform_is_not :windows do + it "sets and gets the process group ID of the calling process" do + # there are two synchronization points here: + # One for the child to let the parent know that it has finished + # setting its process group; + # and another for the parent to let the child know that it's ok to die. + read1, write1 = IO.pipe + read2, write2 = IO.pipe + pid = Process.fork do + read1.close + write2.close + Process.setpgrp + write1 << Process.getpgrp + write1.close + read2.read(1) + read2.close + Process.exit! + end + write1.close + read2.close + pgid = read1.read # wait for child to change process groups + read1.close + + begin + Process.getpgid(pid).should == pgid.to_i + ensure + write2 << "!" + write2.close + Process.wait pid + end + end + end +end |