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require_relative '../../spec_helper'
describe "Process.setpgid" do
platform_is_not :windows do
# Must use fork as setpgid(2) gives EACCESS after execve()
it "sets the process group id of the specified process" do
rd, wr = IO.pipe
pid = Process.fork do
wr.close
rd.read
rd.close
Process.exit!
end
rd.close
begin
Process.getpgid(pid).should == Process.getpgrp
Process.setpgid(mock_int(pid), mock_int(pid)).should == 0
Process.getpgid(pid).should == pid
ensure
wr.write ' '
wr.close
Process.wait pid
end
end
end
end
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