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  138. <h1>Class <code>luci.sys.process</code></h1>
  139. <p>
  140. LuCI system utilities / process related functions.
  141. </p>
  142. <h2>Functions</h2>
  143. <table class="function_list">
  144. <tr>
  145. <td class="name" nowrap><a href="#process.info">info</a>&nbsp;()</td>
  146. <td class="summary">
  147. Get the current process id.</td>
  148. </tr>
  149. <tr>
  150. <td class="name" nowrap><a href="#process.list">list</a>&nbsp;()</td>
  151. <td class="summary">
  152. Retrieve information about currently running processes.</td>
  153. </tr>
  154. <tr>
  155. <td class="name" nowrap><a href="#process.setgroup">setgroup</a>&nbsp;(gid)</td>
  156. <td class="summary">
  157. Set the gid of a process identified by given pid.</td>
  158. </tr>
  159. <tr>
  160. <td class="name" nowrap><a href="#process.setuser">setuser</a>&nbsp;(uid)</td>
  161. <td class="summary">
  162. Set the uid of a process identified by given pid.</td>
  163. </tr>
  164. <tr>
  165. <td class="name" nowrap><a href="#process.signal">signal</a>&nbsp;(pid, sig)</td>
  166. <td class="summary">
  167. Send a signal to a process identified by given pid.</td>
  168. </tr>
  169. </table>
  170. <br/>
  171. <br/>
  172. <h2><a name="functions"></a>Functions</h2>
  173. <dl class="function">
  174. <dt><a name="process.info"></a><strong>info</strong>&nbsp;()</dt>
  175. <dd>
  176. Get the current process id.
  177. <h3>Return value:</h3>
  178. Number containing the current pid
  179. </dd>
  180. <dt><a name="process.list"></a><strong>list</strong>&nbsp;()</dt>
  181. <dd>
  182. Retrieve information about currently running processes.
  183. <h3>Return value:</h3>
  184. Table containing process information
  185. </dd>
  186. <dt><a name="process.setgroup"></a><strong>setgroup</strong>&nbsp;(gid)</dt>
  187. <dd>
  188. Set the gid of a process identified by given pid.
  189. <h3>Parameters</h3>
  190. <ul>
  191. <li>
  192. gid: Number containing the Unix group id
  193. </li>
  194. </ul>
  195. <h3>Return values:</h3>
  196. <ol>
  197. <li>Boolean indicating successful operation
  198. <li>String containing the error message if failed
  199. <li>Number containing the error code if failed
  200. </ol>
  201. </dd>
  202. <dt><a name="process.setuser"></a><strong>setuser</strong>&nbsp;(uid)</dt>
  203. <dd>
  204. Set the uid of a process identified by given pid.
  205. <h3>Parameters</h3>
  206. <ul>
  207. <li>
  208. uid: Number containing the Unix user id
  209. </li>
  210. </ul>
  211. <h3>Return values:</h3>
  212. <ol>
  213. <li>Boolean indicating successful operation
  214. <li>String containing the error message if failed
  215. <li>Number containing the error code if failed
  216. </ol>
  217. </dd>
  218. <dt><a name="process.signal"></a><strong>signal</strong>&nbsp;(pid, sig)</dt>
  219. <dd>
  220. Send a signal to a process identified by given pid.
  221. <h3>Parameters</h3>
  222. <ul>
  223. <li>
  224. pid: Number containing the process id
  225. </li>
  226. <li>
  227. sig: Signal to send (default: 15 [SIGTERM])
  228. </li>
  229. </ul>
  230. <h3>Return values:</h3>
  231. <ol>
  232. <li>Boolean indicating successful operation
  233. <li>Number containing the error code if failed
  234. </ol>
  235. </dd>
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