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| author | Craig Jennings <c@cjennings.net> | 2024-04-07 13:41:34 -0500 |
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| committer | Craig Jennings <c@cjennings.net> | 2024-04-07 13:41:34 -0500 |
| commit | 754bbf7a25a8dda49b5d08ef0d0443bbf5af0e36 (patch) | |
| tree | f1190704f78f04a2b0b4c977d20fe96a828377f1 /devdocs/c/program%2Fsig_types.html | |
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diff --git a/devdocs/c/program%2Fsig_types.html b/devdocs/c/program%2Fsig_types.html new file mode 100644 index 00000000..12f7b29f --- /dev/null +++ b/devdocs/c/program%2Fsig_types.html @@ -0,0 +1,32 @@ + <h1 id="firstHeading" class="firstHeading">SIGTERM, SIGSEGV, SIGINT, SIGILL, SIGABRT, SIGFPE</h1> <table class="t-dcl-begin"> <tr class="t-dsc-header"> <th> Defined in header <code><signal.h></code> </th> <th> </th> <th> </th> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">#define SIGTERM /*implementation defined*/</pre> +</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">#define SIGSEGV /*implementation defined*/</pre> +</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">#define SIGINT /*implementation defined*/</pre> +</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">#define SIGILL /*implementation defined*/</pre> +</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">#define SIGABRT /*implementation defined*/</pre> +</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> <tr class="t-dcl"> <td class="t-dcl-nopad"> <pre data-language="c">#define SIGFPE /*implementation defined*/</pre> +</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> </table> <p>Each of the above macro constants expands to an integer constant expression with distinct values, which represent different signals sent to the program.</p> +<table class="t-dsc-begin"> <tr class="t-dsc-hitem"> <th> Constant </th> <th> Explanation </th> +</tr> <tr class="t-dsc"> <td> <code>SIGTERM</code> </td> <td> termination request, sent to the program </td> +</tr> <tr class="t-dsc"> <td> <code>SIGSEGV</code> </td> <td> invalid memory access (segmentation fault) </td> +</tr> <tr class="t-dsc"> <td> <code>SIGINT</code> </td> <td> external interrupt, usually initiated by the user </td> +</tr> <tr class="t-dsc"> <td> <code>SIGILL</code> </td> <td> invalid program image, such as invalid instruction </td> +</tr> <tr class="t-dsc"> <td> <code>SIGABRT</code> </td> <td> abnormal termination condition, as is e.g. initiated by <code><a href="abort" title="c/program/abort">abort()</a></code> </td> +</tr> <tr class="t-dsc"> <td> <code>SIGFPE</code> </td> <td> erroneous arithmetic operation such as divide by zero </td> +</tr> </table> <h3 id="References"> References</h3> <ul> +<li> C17 standard (ISO/IEC 9899:2018): </li> +<ul><li> 7.14/3 Signal handling <signal.h> (p: 193) </li></ul> +<li> C11 standard (ISO/IEC 9899:2011): </li> +<ul><li> 7.14/3 Signal handling <signal.h> (p: 265) </li></ul> +<li> C99 standard (ISO/IEC 9899:1999): </li> +<ul><li> 7.14/3 Signal handling <signal.h> (p: 246) </li></ul> +<li> C89/C90 standard (ISO/IEC 9899:1990): </li> +<ul><li> 4.7 SIGNAL HANDLING <signal.h> </li></ul> +</ul> <h3 id="See_also"> See also</h3> <table class="t-dsc-begin"> <tr class="t-dsc"> <td> <div><a href="signal" title="c/program/signal"> <span class="t-lines"><span>signal</span></span></a></div> </td> <td> sets a signal handler for particular signal <br> <span class="t-mark">(function)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><a href="raise" title="c/program/raise"> <span class="t-lines"><span>raise</span></span></a></div> </td> <td> runs the signal handler for particular signal <br> <span class="t-mark">(function)</span> </td> +</tr> <tr class="t-dsc"> <td colspan="2"> <span><a href="https://en.cppreference.com/w/cpp/utility/program/SIG_types" title="cpp/utility/program/SIG types">C++ documentation</a></span> for <span class=""><span>signal types</span></span> </td> +</tr> </table> <div class="_attribution"> + <p class="_attribution-p"> + © cppreference.com<br>Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.<br> + <a href="https://en.cppreference.com/w/c/program/SIG_types" class="_attribution-link">https://en.cppreference.com/w/c/program/SIG_types</a> + </p> +</div> |