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<p style="margin-bottom:12.0pt;background:white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#24292E">Hi there,<o:p></o:p></span></p>
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<span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#24292E">Our program executes 'systemctl reboot' in a child process to reboot Linux right after its booted, Sometimes there is no error, but sometimes the child process terminated due to
received uncaught signal 15, then no reboot happened. WIFSIGNALED evaluated a non-zero value, WTERMSIG evaluated 15. Don't understand why the uncaught signal 15 happened here,
</span><span lang="EN-US" style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#24292E">could you please</span><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#24292E"> shed light on this, Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">--<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Pengpeng </span><o:p></o:p></p>
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