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<h1>apr_signal.h</h1><a href="apr__signal_8h.html">Go to the documentation of this file.</a><pre class="fragment"><div>00001 <span class="comment">/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as</span>
00002 <span class="comment"> * applicable.</span>
00003 <span class="comment"> *</span>
00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
00005 <span class="comment"> * you may not use this file except in compliance with the License.</span>
00006 <span class="comment"> * You may obtain a copy of the License at</span>
00007 <span class="comment"> *</span>
00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
00009 <span class="comment"> *</span>
00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
00013 <span class="comment"> * See the License for the specific language governing permissions and</span>
00014 <span class="comment"> * limitations under the License.</span>
00015 <span class="comment"> */</span>
00016
00017 <span class="preprocessor">#ifndef APR_SIGNAL_H</span>
00018 <span class="preprocessor"></span><span class="preprocessor">#define APR_SIGNAL_H</span>
00019 <span class="preprocessor"></span><span class="comment"></span>
00020 <span class="comment">/**</span>
00021 <span class="comment"> * @file apr_signal.h </span>
00022 <span class="comment"> * @brief APR Signal Handling</span>
00023 <span class="comment"> */</span>
00024
00025 <span class="preprocessor">#include "apr.h"</span>
00026 <span class="preprocessor">#include "<a class="code" href="apr__pools_8h.html">apr_pools.h</a>"</span>
00027
00028 <span class="preprocessor">#if APR_HAVE_SIGNAL_H</span>
00029 <span class="preprocessor"></span><span class="preprocessor">#include <signal.h></span>
00030 <span class="preprocessor">#endif</span>
00031 <span class="preprocessor"></span>
00032 <span class="preprocessor">#ifdef __cplusplus</span>
00033 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
00034 <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span>
00035 <span class="comment"></span>
00036 <span class="comment">/**</span>
00037 <span class="comment"> * @defgroup apr_signal Handling</span>
00038 <span class="comment"> * @ingroup APR </span>
00039 <span class="comment"> * @{</span>
00040 <span class="comment"> */</span>
00041
00042 <span class="preprocessor">#if APR_HAVE_SIGACTION || defined(DOXYGEN)</span>
00043 <span class="preprocessor"></span>
00044 <span class="preprocessor">#if defined(DARWIN) && !defined(__cplusplus) && !defined(_ANSI_SOURCE)</span>
00045 <span class="preprocessor"></span><span class="comment">/* work around Darwin header file bugs</span>
00046 <span class="comment"> * http://www.opensource.apple.com/bugs/X/BSD%20Kernel/2657228.html</span>
00047 <span class="comment"> */</span>
00048 <span class="preprocessor">#undef SIG_DFL</span>
00049 <span class="preprocessor"></span><span class="preprocessor">#undef SIG_IGN</span>
00050 <span class="preprocessor"></span><span class="preprocessor">#undef SIG_ERR</span>
00051 <span class="preprocessor"></span><span class="preprocessor">#define SIG_DFL (void (*)(int))0</span>
00052 <span class="preprocessor"></span><span class="preprocessor">#define SIG_IGN (void (*)(int))1</span>
00053 <span class="preprocessor"></span><span class="preprocessor">#define SIG_ERR (void (*)(int))-1</span>
00054 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00055 <span class="preprocessor"></span><span class="comment"></span>
00056 <span class="comment">/** Function prototype for signal handlers */</span>
<a name="l00057"></a><a class="code" href="group__apr__signal.html#ga0">00057</a> <span class="keyword">typedef</span> <span class="keywordtype">void</span> <a class="code" href="group__apr__signal.html#ga0">apr_sigfunc_t</a>(<span class="keywordtype">int</span>);
00058 <span class="comment"></span>
00059 <span class="comment">/**</span>
00060 <span class="comment"> * Set the signal handler function for a given signal</span>
00061 <span class="comment"> * @param signo The signal (eg... SIGWINCH)</span>
00062 <span class="comment"> * @param func the function to get called</span>
00063 <span class="comment"> */</span>
00064 APR_DECLARE(apr_sigfunc_t *) apr_signal(<span class="keywordtype">int</span> signo, apr_sigfunc_t * func);
00065
00066 #if defined(SIG_IGN) && !defined(SIG_ERR)
00067 #define SIG_ERR ((apr_sigfunc_t *) -1)
00068 #endif
00069
00070 #else <span class="comment">/* !APR_HAVE_SIGACTION */</span>
00071 #define apr_signal(a, b) signal(a, b)
00072 #endif
00073
00074 <span class="comment"></span>
00075 <span class="comment">/**</span>
00076 <span class="comment"> * Get the description for a specific signal number</span>
00077 <span class="comment"> * @param signum The signal number</span>
00078 <span class="comment"> * @return The description of the signal</span>
00079 <span class="comment"> */</span>
00080 APR_DECLARE(const <span class="keywordtype">char</span> *) apr_signal_description_get(<span class="keywordtype">int</span> signum);
00081 <span class="comment"></span>
00082 <span class="comment">/**</span>
00083 <span class="comment"> * APR-private function for initializing the signal package</span>
00084 <span class="comment"> * @internal</span>
00085 <span class="comment"> * @param pglobal The internal, global pool</span>
00086 <span class="comment"> */</span>
00087 <span class="keywordtype">void</span> apr_signal_init(apr_pool_t *pglobal);
00088 <span class="comment"></span>
00089 <span class="comment">/**</span>
00090 <span class="comment"> * Block the delivery of a particular signal</span>
00091 <span class="comment"> * @param signum The signal number</span>
00092 <span class="comment"> * @return status</span>
00093 <span class="comment"> */</span>
00094 APR_DECLARE(apr_status_t) apr_signal_block(<span class="keywordtype">int</span> signum);
00095 <span class="comment"></span>
00096 <span class="comment">/**</span>
00097 <span class="comment"> * Enable the delivery of a particular signal</span>
00098 <span class="comment"> * @param signum The signal number</span>
00099 <span class="comment"> * @return status</span>
00100 <span class="comment"> */</span>
00101 APR_DECLARE(apr_status_t) apr_signal_unblock(<span class="keywordtype">int</span> signum);
00102 <span class="comment"></span>
00103 <span class="comment">/** @} */</span>
00104
00105 #ifdef __cplusplus
00106 }
00107 #endif <span class="comment">/* __cplusplus */</span>
00108
00109 #endif <span class="comment">/* APR_SIGNAL_H */</span>
</div></pre><hr size="1"><address style="align: right;"><small>Generated on Mon Feb 7 13:18:25 2005 for Apache Portable Runtime by
<a href="../../../www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.7 </small></address>
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