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vsphere-automation-sdk-python/vsphere/6.5/_modules/vmware/vapi/debug/livedump.html
Tianhao He 9bf9af8207 add vsphere, vmc and nsx API docs
2018-08-07 16:42:25 -07:00

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<h1>Source code for vmware.vapi.debug.livedump</h1><div class="highlight"><pre>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">Debug util</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="n">__author__</span> <span class="o">=</span> <span class="s">&#39;VMware, Inc&#39;</span>
<span class="n">__copyright__</span> <span class="o">=</span> <span class="s">&#39;Copyright (c) 2015 VMware, Inc. All rights reserved.&#39;</span>
<span class="kn">import</span> <span class="nn">signal</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">six</span>
<span class="kn">import</span> <span class="nn">traceback</span>
<span class="kn">import</span> <span class="nn">logging</span>
<span class="n">logger</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="n">__name__</span><span class="p">)</span>
<div class="viewcode-block" id="signal_USR1_handler"><a class="viewcode-back" href="../../../../vmware.vapi.debug.html#vmware.vapi.debug.livedump.signal_USR1_handler">[docs]</a><span class="k">def</span> <span class="nf">signal_USR1_handler</span><span class="p">(</span><span class="n">signal_number</span><span class="p">,</span> <span class="n">stack_frame</span><span class="p">):</span> <span class="c"># pylint: disable=W0613</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> USR1 signal handler</span>
<span class="sd"> :type signal_number: :class:`int`</span>
<span class="sd"> :param signal_number: signal number</span>
<span class="sd"> :type stack_frame: frame object. See ``inspect``</span>
<span class="sd"> :param stack_frame: frame object</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&#39;---------------------- Begin dumping stack ----------------------&#39;</span><span class="p">)</span>
<span class="k">for</span> <span class="n">tid</span><span class="p">,</span> <span class="n">frame</span> <span class="ow">in</span> <span class="n">six</span><span class="o">.</span><span class="n">iteritems</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">_current_frames</span><span class="p">()):</span> <span class="c"># pylint: disable=W0212</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&#39;Thread id: </span><span class="si">%s</span><span class="se">\n</span><span class="si">%s</span><span class="s">&#39;</span><span class="p">,</span>
<span class="nb">str</span><span class="p">(</span><span class="n">tid</span><span class="p">),</span>
<span class="s">&#39;&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">traceback</span><span class="o">.</span><span class="n">format_stack</span><span class="p">(</span><span class="n">frame</span><span class="p">)))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&#39;---------------------- End dumping stack ----------------------&#39;</span><span class="p">)</span>
<span class="c"># Install signal handlers</span></div>
<span class="n">signal_handlers_map</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">signal</span><span class="p">,</span> <span class="s">&#39;SIGUSR1&#39;</span><span class="p">):</span>
<span class="n">signal_handlers_map</span><span class="p">[</span><span class="n">signal</span><span class="o">.</span><span class="n">SIGUSR1</span><span class="p">]</span> <span class="o">=</span> <span class="n">signal_USR1_handler</span>
<span class="c"># Note: signal.signal() can only be called from main thread</span>
<span class="k">for</span> <span class="n">signal_num</span><span class="p">,</span> <span class="n">handler</span> <span class="ow">in</span> <span class="n">six</span><span class="o">.</span><span class="n">iteritems</span><span class="p">(</span><span class="n">signal_handlers_map</span><span class="p">):</span>
<span class="n">prev_handler</span> <span class="o">=</span> <span class="n">signal</span><span class="o">.</span><span class="n">signal</span><span class="p">(</span><span class="n">signal_num</span><span class="p">,</span> <span class="n">handler</span><span class="p">)</span>
<span class="c"># Only install signal handlers once</span>
<span class="n">signal_handlers_map</span> <span class="o">=</span> <span class="p">{}</span>
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