8232588: G1 concurrent System.gc can return early or late
8233279: G1: GCLocker GC with +GCLockerInvokesConcurrent spins while cycle in progress
Summary: Refactor G1CH::try_collect and fix bugs with concurrent collections.
Reviewed-by: tschatzl, sjohanss
/*
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* under the terms of the GNU General Public License version 2 only, as
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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import java.awt.*;
import java.awt.print.*;
import javax.print.*;
import javax.print.attribute.*;
public class PrintSE implements Printable {
public static void main(String[] args) throws Exception {
GraphicsEnvironment.getLocalGraphicsEnvironment();
PrintService service = PrintServiceLookup.lookupDefaultPrintService();
if (service == null) {
System.out.println("No print service found.");
return;
}
SimpleDoc doc =
new SimpleDoc(new PrintSE(),
DocFlavor.SERVICE_FORMATTED.PRINTABLE,
new HashDocAttributeSet());
DocPrintJob job = service.createPrintJob();
job.print(doc, new HashPrintRequestAttributeSet());
}
public int print(Graphics g, PageFormat pf, int pg) {
if (pg > 0) return NO_SUCH_PAGE;
g.drawString("Test passes.", 100, 100);
return PAGE_EXISTS;
}
}