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38 lines
1 KiB
Ruby
38 lines
1 KiB
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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# TODO: put these in the right files.
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describe "Process.setpgrp and Process.getpgrp" do
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platform_is_not :windows do
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it "sets and gets the process group ID of the calling process" do
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# there are two synchronization points here:
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# One for the child to let the parent know that it has finished
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# setting its process group;
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# and another for the parent to let the child know that it's ok to die.
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read1, write1 = IO.pipe
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read2, write2 = IO.pipe
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pid = Process.fork do
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read1.close
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write2.close
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Process.setpgrp
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write1 << Process.getpgrp
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write1.close
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read2.read(1)
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read2.close
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Process.exit!
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end
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write1.close
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read2.close
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pgid = read1.read # wait for child to change process groups
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read1.close
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begin
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Process.getpgid(pid).should == pgid.to_i
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ensure
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write2 << "!"
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write2.close
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Process.wait pid
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end
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end
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end
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end
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