<!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta name="generator" content="AsciiDoc 8.6.8"> <title>MLtonGC</title> <link rel="stylesheet" href="./asciidoc.css" type="text/css"> <link rel="stylesheet" href="./pygments.css" type="text/css"> <script type="text/javascript" src="./asciidoc.js"></script> <script type="text/javascript"> /*<![CDATA[*/ asciidoc.install(); /*]]>*/ </script> <link rel="stylesheet" href="./mlton.css" type="text/css"/> </head> <body class="article"> <div id="banner"> <div id="banner-home"> <a href="./Home">MLton 20130715</a> </div> </div> <div id="header"> <h1>MLtonGC</h1> </div> <div id="content"> <div id="preamble"> <div class="sectionbody"> <div class="listingblock"> <div class="content"><div class="highlight"><pre><span class="k">signature</span><span class="w"> </span><span class="n">MLTON_GC</span><span class="w"> </span><span class="p">=</span><span class="w"></span> <span class="w"> </span><span class="k">sig</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">collect</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">unit</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">pack</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">unit</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">setMessages</span><span class="p">:</span><span class="w"> </span><span class="n">bool</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">unit</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">setSummary</span><span class="p">:</span><span class="w"> </span><span class="n">bool</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">unit</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">unpack</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">unit</span><span class="w"></span> <span class="w"> </span><span class="k">structure</span><span class="w"> </span><span class="n">Statistics</span><span class="w"> </span><span class="p">:</span><span class="w"></span> <span class="w"> </span><span class="k">sig</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">bytesAllocated</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">IntInf</span><span class="p">.</span><span class="n">int</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">lastBytesLive</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">IntInf</span><span class="p">.</span><span class="n">int</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">numCopyingGCs</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">IntInf</span><span class="p">.</span><span class="n">int</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">numMarkCompactGCs</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">IntInf</span><span class="p">.</span><span class="n">int</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">numMinorGCs</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">IntInf</span><span class="p">.</span><span class="n">int</span><span class="w"></span> <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">maxBytesLive</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">IntInf</span><span class="p">.</span><span class="n">int</span><span class="w"></span> <span class="w"> </span><span class="k">end</span><span class="w"></span> <span class="w"> </span><span class="k">end</span><span class="w"></span> </pre></div></div></div> <div class="ulist"><ul> <li> <p> <span class="monospaced">collect ()</span> </p> <div class="paragraph"><p>causes a garbage collection to occur.</p></div> </li> <li> <p> <span class="monospaced">pack ()</span> </p> <div class="paragraph"><p>shrinks the heap as much as possible so that other processes can use available RAM.</p></div> </li> <li> <p> <span class="monospaced">setMessages b</span> </p> <div class="paragraph"><p>controls whether diagnostic messages are printed at the beginning and end of each garbage collection. It is the same as the <span class="monospaced">gc-messages</span> runtime system option.</p></div> </li> <li> <p> <span class="monospaced">setSummary b</span> </p> <div class="paragraph"><p>controls whether a summary of garbage collection statistics is printed upon termination of the program. It is the same as the <span class="monospaced">gc-summary</span> runtime system option.</p></div> </li> <li> <p> <span class="monospaced">unpack ()</span> </p> <div class="paragraph"><p>resizes a packed heap to the size desired by the runtime.</p></div> </li> <li> <p> <span class="monospaced">Statistics.bytesAllocated ()</span> </p> <div class="paragraph"><p>returns bytes allocated (as of the most recent garbage collection).</p></div> </li> <li> <p> <span class="monospaced">Statistics.lastBytesLive ()</span> </p> <div class="paragraph"><p>returns bytes live (as of the most recent garbage collection).</p></div> </li> <li> <p> <span class="monospaced">Statistics.numCopyingGCs ()</span> </p> <div class="paragraph"><p>returns number of (major) copying garbage collections performed (as of the most recent garbage collection).</p></div> </li> <li> <p> <span class="monospaced">Statistics.numMarkCompactGCs ()</span> </p> <div class="paragraph"><p>returns number of (major) mark-compact garbage collections performed (as of the most recent garbage collection).</p></div> </li> <li> <p> <span class="monospaced">Statistics.numMinorGCs ()</span> </p> <div class="paragraph"><p>returns number of minor garbage collections performed (as of the most recent garbage collection).</p></div> </li> <li> <p> <span class="monospaced">Statistics.maxBytesLive ()</span> </p> <div class="paragraph"><p>returns maximum bytes live (as of the most recent garbage collection).</p></div> </li> </ul></div> </div> </div> </div> <div id="footnotes"><hr></div> <div id="footer"> <div id="footer-text"> </div> <div id="footer-badges"> </div> </div> </body> </html>
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