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cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]11 <title>ImageMagick: MagickCore, C API for ImageMagick: Monitor or Limit Resource Consumption</title>
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241<div class="main">
242
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]243<h1>Module resource Methods</h1>
244<p class="navigation-index">[<a href="#AcquireMagickResource">AcquireMagickResource</a> &bull; <a href="#AcquireUniqueFileResource">AcquireUniqueFileResource</a> &bull; <a href="#GetMagickResource">GetMagickResource</a> &bull; <a href="#GetMagickResourceLimit">GetMagickResourceLimit</a> &bull; <a href="#ListMagickResourceInfo">ListMagickResourceInfo</a> &bull; <a href="#RelinquishMagickResource">RelinquishMagickResource</a> &bull; <a href="#RelinquishUniqueFileResource">RelinquishUniqueFileResource</a> &bull; <a href="#SetMagickResourceLimit">SetMagickResourceLimit</a>]</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]245
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]246<h2><a href="http://www.imagemagick.org/api/MagickCore/resource_8c.html" id="AcquireMagickResource">AcquireMagickResource</a></h2>
247<div class="doc-section">
248
249<p>AcquireMagickResource() acquires resources of the specified type. MagickFalse is returned if the specified resource is exhausted otherwise MagickTrue.</p>
250
251<p>The format of the AcquireMagickResource() method is:</p>
252
253<pre class="code">
254 MagickBooleanType AcquireMagickResource(const ResourceType type,
255 const MagickSizeType size)
256</pre>
257
258<p>A description of each parameter follows:</p>
259
260<h5>type</h5>
261<p>the type of resource.</p>
262
263<h5>size</h5>
264<p>the number of bytes needed from for this resource.</p>
265
266 </div>
267<h2><a href="http://www.imagemagick.org/api/MagickCore/resource_8c.html" id="AcquireUniqueFileResource">AcquireUniqueFileResource</a></h2>
268<div class="doc-section">
269
270<p>AcquireUniqueFileResource() returns a unique file name, and returns a file descriptor for the file open for reading and writing.</p>
271
272<p>The format of the AcquireUniqueFileResource() method is:</p>
273
274<pre class="code">
275 int AcquireUniqueFileResource(char *path)
276</pre>
277
278<p>A description of each parameter follows:</p>
279
280<h5> path</h5>
281<p>Specifies a pointer to an array of characters. The unique path name is returned in this array.</p>
282
283 </div>
284<h2><a href="http://www.imagemagick.org/api/MagickCore/resource_8c.html" id="GetMagickResource">GetMagickResource</a></h2>
285<div class="doc-section">
286
287<p>GetMagickResource() returns the specified resource.</p>
288
289<p>The format of the GetMagickResource() method is:</p>
290
291<pre class="code">
292 MagickSizeType GetMagickResource(const ResourceType type)
293</pre>
294
295<p>A description of each parameter follows:</p>
296
297<h5>type</h5>
298<p>the type of resource.</p>
299
300 </div>
301<h2><a href="http://www.imagemagick.org/api/MagickCore/resource_8c.html" id="GetMagickResourceLimit">GetMagickResourceLimit</a></h2>
302<div class="doc-section">
303
304<p>GetMagickResourceLimit() returns the specified resource limit.</p>
305
306<p>The format of the GetMagickResourceLimit() method is:</p>
307
308<pre class="code">
309 MagickSizeType GetMagickResourceLimit(const ResourceType type)
310</pre>
311
312<p>A description of each parameter follows:</p>
313
314<h5>type</h5>
315<p>the type of resource.</p>
316
317 </div>
318<h2><a href="http://www.imagemagick.org/api/MagickCore/resource_8c.html" id="ListMagickResourceInfo">ListMagickResourceInfo</a></h2>
319<div class="doc-section">
320
321<p>ListMagickResourceInfo() lists the resource info to a file.</p>
322
323<p>The format of the ListMagickResourceInfo method is:</p>
324
325<pre class="code">
326 MagickBooleanType ListMagickResourceInfo(FILE *file,
327 ExceptionInfo *exception)
328</pre>
329
330<p>A description of each parameter follows.</p>
331
332<h5>file</h5>
333<p>An pointer to a FILE.</p>
334
335<h5>exception</h5>
336<p>return any errors or warnings in this structure.</p>
337
338 </div>
339<h2><a href="http://www.imagemagick.org/api/MagickCore/resource_8c.html" id="RelinquishMagickResource">RelinquishMagickResource</a></h2>
340<div class="doc-section">
341
342<p>RelinquishMagickResource() relinquishes resources of the specified type.</p>
343
344<p>The format of the RelinquishMagickResource() method is:</p>
345
346<pre class="code">
347 void RelinquishMagickResource(const ResourceType type,
348 const MagickSizeType size)
349</pre>
350
351<p>A description of each parameter follows:</p>
352
353<h5>type</h5>
354<p>the type of resource.</p>
355
356<h5>size</h5>
357<p>the size of the resource.</p>
358
359 </div>
360<h2><a href="http://www.imagemagick.org/api/MagickCore/resource_8c.html" id="RelinquishUniqueFileResource">RelinquishUniqueFileResource</a></h2>
361<div class="doc-section">
362
363<p>RelinquishUniqueFileResource() relinquishes a unique file resource.</p>
364
365<p>The format of the RelinquishUniqueFileResource() method is:</p>
366
367<pre class="code">
368 MagickBooleanType RelinquishUniqueFileResource(const char *path)
369</pre>
370
371<p>A description of each parameter follows:</p>
372
373<h5>name</h5>
374<p>the name of the temporary resource.</p>
375
376 </div>
377<h2><a href="http://www.imagemagick.org/api/MagickCore/resource_8c.html" id="SetMagickResourceLimit">SetMagickResourceLimit</a></h2>
378<div class="doc-section">
379
380<p>SetMagickResourceLimit() sets the limit for a particular resource.</p>
381
382<p>The format of the SetMagickResourceLimit() method is:</p>
383
384<pre class="code">
385 MagickBooleanType SetMagickResourceLimit(const ResourceType type,
386 const MagickSizeType limit)
387</pre>
388
389<p>A description of each parameter follows:</p>
390
391<h5>type</h5>
392<p>the type of resource.</p>
393
394<h5>limit</h5>
395<p>the maximum limit for the resource.</p>
396
397 </div>
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