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class="document">202 <div class="documentwrapper">203 <div class="bodywrapper">204 <div class="body" role="main">205 206 <section id="networking-and-interprocess-communication">207<span id="ipc"></span><h1>Networking and Interprocess Communication<a class="headerlink" href="#networking-and-interprocess-communication" title="Link to this heading">¶</a></h1>208<p>The modules described in this chapter provide mechanisms for209networking and inter-processes communication.</p>210<p>Some modules only work for two processes that are on the same machine, e.g.211<a class="reference internal" href="signal.html#module-signal" title="signal: Set handlers for asynchronous events."><code class="xref py py-mod docutils literal notranslate"><span class="pre">signal</span></code></a> and <a class="reference internal" href="mmap.html#module-mmap" title="mmap: Interface to memory-mapped files for Unix and Windows."><code class="xref py py-mod docutils literal notranslate"><span class="pre">mmap</span></code></a>. Other modules support networking protocols212that two or more processes can use to communicate across machines.</p>213<p>The list of modules described in this chapter is:</p>214<div class="toctree-wrapper compound">215<ul>216<li class="toctree-l1"><a class="reference internal" href="asyncio.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">asyncio</span></code> — Asynchronous I/O</a></li>217<li class="toctree-l1"><a class="reference internal" href="socket.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">socket</span></code> — Low-level networking interface</a></li>218<li class="toctree-l1"><a class="reference internal" href="ssl.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">ssl</span></code> — TLS/SSL wrapper for socket objects</a></li>219<li class="toctree-l1"><a class="reference internal" href="select.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">select</span></code> — Waiting for I/O completion</a></li>220<li class="toctree-l1"><a class="reference internal" href="selectors.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">selectors</span></code> — High-level I/O multiplexing</a></li>221<li class="toctree-l1"><a class="reference internal" href="signal.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">signal</span></code> — Set handlers for asynchronous events</a></li>222<li class="toctree-l1"><a class="reference internal" href="mmap.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">mmap</span></code> — Memory-mapped file support</a></li>223</ul>224</div>225</section>226 227 228 <div class="clearer"></div>229 </div>230 </div>231 </div>232 <div class="sphinxsidebar" role="navigation" aria-label="Main">233 <div class="sphinxsidebarwrapper">234 <div>235 <h4>Previous topic</h4>236 <p class="topless"><a href="_thread.html"237 title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">_thread</span></code> — Low-level threading API</a></p>238 </div>239 <div>240 <h4>Next topic</h4>241 <p class="topless"><a href="asyncio.html"242 title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">asyncio</span></code> — Asynchronous I/O</a></p>243 </div>244 <script>245 document.addEventListener('DOMContentLoaded', () => {246 const title = document.querySelector('meta[property="og:title"]').content;247 const elements = document.querySelectorAll('.improvepage');248 const pageurl = window.location.href.split('?')[0];249 elements.forEach(element => {250 const url = new URL(element.href.split('?')[0].replace("-nojs", ""));251 url.searchParams.set('pagetitle', title);252 url.searchParams.set('pageurl', pageurl);253 url.searchParams.set('pagesource', "library/ipc.rst");254 element.href = url.toString();255 });256 });257 </script>258 <div role="note" aria-label="source link">259 <h3>This page</h3>260 <ul class="this-page-menu">261 <li><a href="../bugs.html">Report a bug</a></li>262 <li><a class="improvepage" href="../improve-page-nojs.html">Improve this page</a></li>263 <li>264 <a href="https://github.com/python/cpython/blob/main/Doc/library/ipc.rst?plain=1"265 rel="nofollow">Show source266 </a>267 </li>268 269 </ul>270 </div>271 </div>272<div id="sidebarbutton" title="Collapse sidebar">273<span>«</span>274</div>275 276 </div>277 <div class="clearer"></div>278 </div> 279 <div class="related" role="navigation" aria-label="Related">280 <h3>Navigation</h3>281 <ul>282 <li class="right" style="margin-right: 10px">283 <a href="../genindex.html" title="General Index"284 >index</a></li>285 <li class="right" >286 <a href="../py-modindex.html" title="Python Module Index"287 >modules</a> |</li>288 <li class="right" >289 <a href="asyncio.html" title="asyncio — Asynchronous I/O"290 >next</a> |</li>291 <li class="right" >292 <a href="_thread.html" title="_thread — Low-level threading API"293 >previous</a> |</li>294 295 <li><img src="../_static/py.svg" alt="Python logo" style="vertical-align: middle; 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