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diff --git a/devdocs/c/program%2Fsig_err.html b/devdocs/c/program%2Fsig_err.html deleted file mode 100644 index 5e2118d6..00000000 --- a/devdocs/c/program%2Fsig_err.html +++ /dev/null @@ -1,49 +0,0 @@ - <h1 id="firstHeading" class="firstHeading">SIG_ERR</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 SIG_ERR /* implementation defined */</pre> -</td> <td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> </table> <p>A value of type <code>void (*)(int)</code>. When returned by <code><a href="signal" title="c/program/signal">signal</a></code>, indicates that an error has occurred.</p> -<h3 id="Example"> Example</h3> <div class="t-example"> <div class="c source-c"><pre data-language="c">#include <stdio.h> -#include <stdlib.h> -#include <signal.h> - -void signal_handler(int sig) -{ - printf("Received signal: %d\n", sig); -} - -int main(void) -{ - /* Install a signal handler. */ - if (signal(SIGTERM, signal_handler) == SIG_ERR) - { - printf("Error while installing a signal handler.\n"); - exit(EXIT_FAILURE); - } - - printf("Sending signal: %d\n", SIGTERM); - if (raise(SIGTERM) != 0) - { - printf("Error while raising the SIGTERM signal.\n"); - exit(EXIT_FAILURE); - } - - printf("Exit main()\n"); - return EXIT_SUCCESS; -}</pre></div> <p>Output:</p> -<div class="text source-text"><pre data-language="c">Sending signal: 15 -Received signal: 15 -Exit main()</pre></div> </div> <h3 id="References"> References</h3> <ul> -<li> C17 standard (ISO/IEC 9899:2018): </li> -<ul><li> 7.14/3 Signal handling <signal.h> (p: 194) </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 colspan="2"> <span><a href="https://en.cppreference.com/w/cpp/utility/program/SIG_ERR" title="cpp/utility/program/SIG ERR">C++ documentation</a></span> for <code>SIG_ERR</code> </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_ERR" class="_attribution-link">https://en.cppreference.com/w/c/program/SIG_ERR</a> - </p> -</div> |