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8 <title>Class: MCollective::UnixDaemon</title>
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49 <div id="classHeader">
50 <table class="header-table">
51 <tr class="top-aligned-row">
52 <td><strong>Class</strong></td>
53 <td class="class-name-in-header">MCollective::UnixDaemon</td>
55 <tr class="top-aligned-row">
56 <td><strong>In:</strong></td>
58 <a href="../../files/lib/mcollective/unix_daemon_rb.html">
59 lib/mcollective/unix_daemon.rb
65 <tr class="top-aligned-row">
66 <td><strong>Parent:</strong></td>
73 <!-- banner header -->
75 <div id="bodyContent">
79 <div id="contextContent">
85 <div id="method-list">
86 <h3 class="section-bar">Methods</h3>
88 <div class="name-list">
89 <a href="#M000423">daemonize</a>
90 <a href="#M000424">daemonize_runner</a>
108 <!-- if method_list -->
110 <h3 class="section-bar">Public Class methods</h3>
112 <div id="method-M000423" class="method-detail">
113 <a name="M000423"></a>
115 <div class="method-heading">
116 <a href="#M000423" class="method-signature">
117 <span class="method-name">daemonize</span><span class="method-args">() {|| ...}</span>
121 <div class="method-description">
123 Daemonize the current process
125 <p><a class="source-toggle" href="#"
126 onclick="toggleCode('M000423-source');return false;">[Source]</a></p>
127 <div class="method-source-code" id="M000423-source">
129 <span class="ruby-comment cmt"># File lib/mcollective/unix_daemon.rb, line 4</span>
130 4: <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">daemonize</span>
131 5: <span class="ruby-identifier">fork</span> <span class="ruby-keyword kw">do</span>
132 6: <span class="ruby-constant">Process</span>.<span class="ruby-identifier">setsid</span>
133 7: <span class="ruby-identifier">exit</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">fork</span>
134 8: <span class="ruby-constant">Dir</span>.<span class="ruby-identifier">chdir</span>(<span class="ruby-value str">'/tmp'</span>)
135 9: <span class="ruby-constant">STDIN</span>.<span class="ruby-identifier">reopen</span>(<span class="ruby-value str">'/dev/null'</span>)
136 10: <span class="ruby-constant">STDOUT</span>.<span class="ruby-identifier">reopen</span>(<span class="ruby-value str">'/dev/null'</span>, <span class="ruby-value str">'a'</span>)
137 11: <span class="ruby-constant">STDERR</span>.<span class="ruby-identifier">reopen</span>(<span class="ruby-value str">'/dev/null'</span>, <span class="ruby-value str">'a'</span>)
139 13: <span class="ruby-keyword kw">yield</span>
140 14: <span class="ruby-keyword kw">end</span>
141 15: <span class="ruby-keyword kw">end</span>
147 <div id="method-M000424" class="method-detail">
148 <a name="M000424"></a>
150 <div class="method-heading">
151 <a href="#M000424" class="method-signature">
152 <span class="method-name">daemonize_runner</span><span class="method-args">(pid=nil)</span>
156 <div class="method-description">
157 <p><a class="source-toggle" href="#"
158 onclick="toggleCode('M000424-source');return false;">[Source]</a></p>
159 <div class="method-source-code" id="M000424-source">
161 <span class="ruby-comment cmt"># File lib/mcollective/unix_daemon.rb, line 17</span>
162 17: <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">daemonize_runner</span>(<span class="ruby-identifier">pid</span>=<span class="ruby-keyword kw">nil</span>)
163 18: <span class="ruby-identifier">raise</span> <span class="ruby-value str">"The Unix Daemonizer can not be used on the Windows Platform"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-constant">Util</span>.<span class="ruby-identifier">windows?</span>
165 20: <span class="ruby-constant">UnixDaemon</span>.<span class="ruby-identifier">daemonize</span> <span class="ruby-keyword kw">do</span>
166 21: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">pid</span>
167 22: <span class="ruby-keyword kw">begin</span>
168 23: <span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-identifier">pid</span>, <span class="ruby-value str">'w'</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">f</span><span class="ruby-operator">|</span> <span class="ruby-identifier">f</span>.<span class="ruby-identifier">write</span>(<span class="ruby-constant">Process</span>.<span class="ruby-identifier">pid</span>) }
169 24: <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Exception</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">e</span>
170 25: <span class="ruby-keyword kw">end</span>
171 26: <span class="ruby-keyword kw">end</span>
173 28: <span class="ruby-keyword kw">begin</span>
174 29: <span class="ruby-identifier">runner</span> = <span class="ruby-constant">Runner</span>.<span class="ruby-identifier">new</span>(<span class="ruby-keyword kw">nil</span>)
175 30: <span class="ruby-identifier">runner</span>.<span class="ruby-identifier">run</span>
176 31: <span class="ruby-keyword kw">ensure</span>
177 32: <span class="ruby-constant">File</span>.<span class="ruby-identifier">unlink</span>(<span class="ruby-identifier">pid</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">pid</span> <span class="ruby-operator">&&</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">exist?</span>(<span class="ruby-identifier">pid</span>)
178 33: <span class="ruby-keyword kw">end</span>
179 34: <span class="ruby-keyword kw">end</span>
180 35: <span class="ruby-keyword kw">end</span>
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