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<a href="https://gitlab.rtems.org/sebhub">Sebastian Huber</a>
commented on a
<a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5125#note_111832">discussion</a>:
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<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">I had a brief look at the new code. It seems large parts of it don't depend on the signal support. The RTEMS_POSIX_API is actually an option to enable the POSIX signal support and the sporadic server. Everything else of the POSIX support is available by default. So, for example in rtems_aio_notify() you would only need to disable a small part of the function:</p>
<div class="gl-relative markdown-code-block js-markdown-code">
<pre data-canonical-lang="c" class="code highlight js-syntax-highlight language-c" v-pre="true" style='display: block; font-size: 14px; color: #333238; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: .25rem; white-space: pre; margin-top: 0; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="c" style="margin-top: 0;"> <span class="k" style="margin-top: 0;">switch</span> <span class="p">(</span> <span class="n">sigp</span><span class="o">-></span><span class="n">sigev_notify</span> <span class="p">)</span> <span class="p">{</span></span>
<span id="LC2" class="line" lang="c"><span class="cp" style="margin-top: 0;">#ifdef RTEMS_POSIX_API</span></span>
<span id="LC3" class="line" lang="c"> <span class="k" style="margin-top: 0;">case</span> <span class="n">SIGEV_SIGNAL</span><span class="p">:</span></span>
<span id="LC4" class="line" lang="c"> <span class="n" style="margin-top: 0;">result</span> <span class="o">=</span> <span class="n">sigqueue</span><span class="p">(</span></span>
<span id="LC5" class="line" lang="c"> <span class="n" style="margin-top: 0;">getpid</span><span class="p">(),</span></span>
<span id="LC6" class="line" lang="c"> <span class="n" style="margin-top: 0;">sigp</span><span class="o">-></span><span class="n">sigev_signo</span><span class="p">,</span></span>
<span id="LC7" class="line" lang="c"> <span class="n" style="margin-top: 0;">sigp</span><span class="o">-></span><span class="n">sigev_value</span></span>
<span id="LC8" class="line" lang="c"> <span class="p" style="margin-top: 0;">);</span></span>
<span id="LC9" class="line" lang="c"> <span class="n" style="margin-top: 0;">_Assert</span><span class="p">(</span> <span class="n">result</span> <span class="o">==</span> <span class="mi">0</span> <span class="p">);</span></span>
<span id="LC10" class="line" lang="c"> <span class="k" style="margin-top: 0;">break</span><span class="p">;</span></span>
<span id="LC11" class="line" lang="c"><span class="cp" style="margin-top: 0;">#endif</span></span></code></pre>
<copy-code></copy-code>
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<p dir="auto" style="color: #333238; margin: 0;" align="initial">For the assert you can use <code style='font-size: 90%; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>_Assert_Unused_variable_equals()</code> to simplify the code a bit.</p>
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