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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>SystemTap: SystemTap Runtime Library</title>
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<div class="qindex"><a class="qindex" href="index.html">Intro</a> | <a class="qindex" href="globals_func.html">Functions</a> | <a class="qindex" href="globals_defs.html">Defines</a> | <a class="qindex" href="globals_enum.html">Enumerations</a> | <a class="qindex" href="globals_eval.html">Enumeration Values</a></div>
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<h1>alloc.h</h1><a href="alloc_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a><a class="code" href="alloc_8h.html#a8">00001</a> <span class="keyword">enum</span> <a class="code" href="alloc_8h.html#a8">errorcode</a> { <a class="code" href="alloc_8h.html#a8a1">ERR_NONE</a>=0, <a class="code" href="alloc_8h.html#a8a2">ERR_NO_MEM</a> };
<a name="l00002"></a><a class="code" href="alloc_8h.html#a0">00002</a> <span class="keyword">enum</span> <a class="code" href="alloc_8h.html#a8">errorcode</a> <a class="code" href="alloc_8h.html#a0">_stp_error</a> = <a class="code" href="alloc_8h.html#a8a1">ERR_NONE</a>;
00003
<a name="l00012"></a><a class="code" href="alloc_8h.html#a3">00012</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> *<a class="code" href="alloc_8h.html#a3">_stp_alloc</a>(size_t len)
00013 {
00014 <span class="keywordtype">void</span> *ptr = kmalloc(len, GFP_ATOMIC);
00015 <span class="keywordflow">if</span> (ptr == NULL)
00016 <a class="code" href="alloc_8h.html#a0">_stp_error</a> = <a class="code" href="alloc_8h.html#a8a2">ERR_NO_MEM</a>;
00017 <span class="keywordflow">return</span> ptr;
00018 }
00019
<a name="l00028"></a><a class="code" href="alloc_8h.html#a4">00028</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> *<a class="code" href="alloc_8h.html#a4">_stp_calloc</a>(size_t len)
00029 {
00030 <span class="keywordtype">void</span> *ptr = <a class="code" href="alloc_8h.html#a3">_stp_alloc</a>(len);
00031 <span class="keywordflow">if</span> (ptr)
00032 memset(ptr, 0, len);
00033 <span class="keywordflow">return</span> ptr;
00034 }
00035
<a name="l00043"></a><a class="code" href="alloc_8h.html#a5">00043</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> *<a class="code" href="alloc_8h.html#a5">_stp_valloc</a>(size_t len)
00044 {
00045 <span class="keywordtype">void</span> *ptr = vmalloc(len);
00046 <span class="keywordflow">if</span> (ptr)
00047 memset(ptr, 0, len);
00048 <span class="keywordflow">else</span>
00049 <a class="code" href="alloc_8h.html#a0">_stp_error</a> = <a class="code" href="alloc_8h.html#a8a2">ERR_NO_MEM</a>;
00050 <span class="keywordflow">return</span> ptr;
00051 }
00052
<a name="l00057"></a><a class="code" href="alloc_8h.html#a6">00057</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="alloc_8h.html#a6">_stp_free</a>(<span class="keywordtype">void</span> *ptr)
00058 {
00059 <span class="keywordflow">if</span> (ptr)
00060 kfree(ptr);
00061 }
00062
<a name="l00067"></a><a class="code" href="alloc_8h.html#a7">00067</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="alloc_8h.html#a7">_stp_vfree</a>(<span class="keywordtype">void</span> *ptr)
00068 {
00069 <span class="keywordflow">if</span> (ptr)
00070 vfree(ptr);
00071 }
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Mar 21 13:29:45 2005 for SystemTap by
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