HCoop / hcoop / debian / mlton.git / blame
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1 | <!DOCTYPE html>\r |
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| 5 | <meta name="generator" content="AsciiDoc 8.6.9">\r | |
| 6 | <title>MLtonRlimit</title>\r | |
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| 18 | </head>\r | |
| 19 | <body class="article">\r | |
| 20 | <div id="banner">\r | |
| 21 | <div id="banner-home">\r | |
| 22 | <a href="./Home">MLton 20180207</a>\r | |
| 23 | </div>\r | |
| 24 | </div>\r | |
| 25 | <div id="header">\r | |
| 26 | <h1>MLtonRlimit</h1>\r | |
| 27 | </div>\r | |
| 28 | <div id="content">\r | |
| 29 | <div id="preamble">\r | |
| 30 | <div class="sectionbody">\r | |
| 31 | <div class="listingblock">\r | |
| 32 | <div class="content"><div class="highlight"><pre><span class="k">signature</span><span class="w"> </span><span class="n">MLTON_RLIMIT</span><span class="w"> </span><span class="p">=</span><span class="w"></span>\r | |
| 33 | <span class="w"> </span><span class="k">sig</span><span class="w"></span>\r | |
| 34 | <span class="w"> </span><span class="k">structure</span><span class="w"> </span><span class="n">RLim</span><span class="w"> </span><span class="p">:</span><span class="w"> </span><span class="k">sig</span><span class="w"></span>\r | |
| 35 | <span class="w"> </span><span class="k">type</span><span class="w"> </span><span class="n">t</span><span class="w"></span>\r | |
| 36 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">castFromSysWord</span><span class="p">:</span><span class="w"> </span><span class="n">SysWord</span><span class="p">.</span><span class="n">word</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">t</span><span class="w"></span>\r | |
| 37 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">castToSysWord</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">SysWord</span><span class="p">.</span><span class="n">word</span><span class="w"></span>\r | |
| 38 | <span class="w"> </span><span class="k">end</span><span class="w"></span>\r | |
| 39 | \r | |
| 40 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">infinity</span><span class="p">:</span><span class="w"> </span><span class="n">RLim</span><span class="p">.</span><span class="n">t</span><span class="w"></span>\r | |
| 41 | \r | |
| 42 | <span class="w"> </span><span class="k">type</span><span class="w"> </span><span class="n">t</span><span class="w"></span>\r | |
| 43 | \r | |
| 44 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">coreFileSize</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* CORE max core file size *)</span><span class="w"></span>\r | |
| 45 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">cpuTime</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* CPU CPU time in seconds *)</span><span class="w"></span>\r | |
| 46 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">dataSize</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* DATA max data size *)</span><span class="w"></span>\r | |
| 47 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">fileSize</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* FSIZE Maximum filesize *)</span><span class="w"></span>\r | |
| 48 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">numFiles</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* NOFILE max number of open files *)</span><span class="w"></span>\r | |
| 49 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">lockedInMemorySize</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* MEMLOCK max locked address space *)</span><span class="w"></span>\r | |
| 50 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">numProcesses</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* NPROC max number of processes *)</span><span class="w"></span>\r | |
| 51 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">residentSetSize</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* RSS max resident set size *)</span><span class="w"></span>\r | |
| 52 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">stackSize</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* STACK max stack size *)</span><span class="w"></span>\r | |
| 53 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">virtualMemorySize</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="cm">(* AS virtual memory limit *)</span><span class="w"></span>\r | |
| 54 | \r | |
| 55 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">get</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="p">{</span><span class="n">hard</span><span class="p">:</span><span class="w"> </span><span class="n">rlim</span><span class="p">,</span><span class="w"> </span><span class="n">soft</span><span class="p">:</span><span class="w"> </span><span class="n">rlim</span><span class="p">}</span><span class="w"></span>\r | |
| 56 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">set</span><span class="p">:</span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="n">*</span><span class="w"> </span><span class="p">{</span><span class="n">hard</span><span class="p">:</span><span class="w"> </span><span class="n">rlim</span><span class="p">,</span><span class="w"> </span><span class="n">soft</span><span class="p">:</span><span class="w"> </span><span class="n">rlim</span><span class="p">}</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">unit</span><span class="w"></span>\r | |
| 57 | <span class="w"> </span><span class="k">end</span><span class="w"></span>\r | |
| 58 | </pre></div></div></div>\r | |
| 59 | <div class="paragraph"><p><span class="monospaced">MLton.Rlimit</span> provides a wrapper around the C <span class="monospaced">getrlimit</span> and\r | |
| 60 | <span class="monospaced">setrlimit</span> functions.</p></div>\r | |
| 61 | <div class="ulist"><ul>\r | |
| 62 | <li>\r | |
| 63 | <p>\r | |
| 64 | <span class="monospaced">type Rlim.t</span>\r | |
| 65 | </p>\r | |
| 66 | <div class="paragraph"><p>the type of resource limits.</p></div>\r | |
| 67 | </li>\r | |
| 68 | <li>\r | |
| 69 | <p>\r | |
| 70 | <span class="monospaced">infinity</span>\r | |
| 71 | </p>\r | |
| 72 | <div class="paragraph"><p>indicates that a resource is unlimited.</p></div>\r | |
| 73 | </li>\r | |
| 74 | <li>\r | |
| 75 | <p>\r | |
| 76 | <span class="monospaced">type t</span>\r | |
| 77 | </p>\r | |
| 78 | <div class="paragraph"><p>the types of resources that can be inspected and modified.</p></div>\r | |
| 79 | </li>\r | |
| 80 | <li>\r | |
| 81 | <p>\r | |
| 82 | <span class="monospaced">get r</span>\r | |
| 83 | </p>\r | |
| 84 | <div class="paragraph"><p>returns the current hard and soft limits for resource <span class="monospaced">r</span>. May raise\r | |
| 85 | <span class="monospaced">OS.SysErr</span>.</p></div>\r | |
| 86 | </li>\r | |
| 87 | <li>\r | |
| 88 | <p>\r | |
| 89 | <span class="monospaced">set (r, {hard, soft})</span>\r | |
| 90 | </p>\r | |
| 91 | <div class="paragraph"><p>sets the hard and soft limits for resource <span class="monospaced">r</span>. May raise\r | |
| 92 | <span class="monospaced">OS.SysErr</span>.</p></div>\r | |
| 93 | </li>\r | |
| 94 | </ul></div>\r | |
| 95 | </div>\r | |
| 96 | </div>\r | |
| 97 | </div>\r | |
| 98 | <div id="footnotes"><hr></div>\r | |
| 99 | <div id="footer">\r | |
| 100 | <div id="footer-text">\r | |
| 101 | </div>\r | |
| 102 | <div id="footer-badges">\r | |
| 103 | </div>\r | |
| 104 | </div>\r | |
| 105 | </body>\r | |
| 106 | </html>\r |