<div dir="ltr"><div>Quanto a linha</div><div><br></div><div><span style="font-family:arial,sans-serif;font-size:13px">$SIG{qw (INT TERM HUP)} = sub { ... }</span><br></div><div><span style="font-family:arial,sans-serif;font-size:13px"><br>
</span></div><div><span style="font-family:arial,sans-serif;font-size:13px">O que ele fez foi atribuir a função anonima para tres "signals" diferentes, seria o mesmo que:</span></div><div><span style="font-family:arial,sans-serif;font-size:13px"><br>
</span></div><div><span style="font-family:arial,sans-serif;font-size:13px">$SIG{INT} = sub { ... }</span></div><div><span style="font-family:arial,sans-serif;font-size:13px">$SIG{TERM} = sub { ... }</span><span style="font-family:arial,sans-serif;font-size:13px"><br>
</span></div><div><span style="font-family:arial,sans-serif;font-size:13px">$SIG{HUP} = sub { ... }</span><span style="font-family:arial,sans-serif;font-size:13px"><br></span></div><div><br></div><div>O que cada um destes "singnals" fazem ou significam podem ser vistos aqui:</div>
<div><br></div><a href="https://www.gnu.org/software/bash/manual/html_node/Signals.html">https://www.gnu.org/software/bash/manual/html_node/Signals.html</a><br><div><br></div><div>Abraço.</div></div><div class="gmail_extra">
<br clear="all"><div><div><font size="1"><br></font></div><font size="1">Giuliani D. Sanches</font><div><div><font size="1"><a href="http://about.me/giulianisanches" target="_blank">about.me/giulianisanches</a></font></div>
</div></div>
<br><br><div class="gmail_quote">2013/11/25 Aureliano Guedes <span dir="ltr"><<a href="mailto:guedes_1000@hotmail.com" target="_blank">guedes_1000@hotmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr"><div class="im">André Luiz, vou fazer da sua forma, obrigado.<div>Agora fiquei sem entender porque $SIG{qw (INT TERM HUP)}...</div><div><br></div></div><div>Renato, tentei fazer assim:</div><div><div>
my $c = 0; </div><div class="im"><div>$SIG{INT} = sub { $c <= 2 ? $c++ : die };</div><div><br></div><div>while (1) {</div><div> print "TESTE\n";</div><div> sleep 1;</div><div>}</div><div><br></div><div>
Deu certo, mas deu errado, por algum motivo tenho que apertar ctrl + c umas 4 vezes ou mais para dar certo</div><div><br></div><br></div><div><div class="im"><hr>From: <a href="mailto:renato.cron@gmail.com" target="_blank">renato.cron@gmail.com</a><br>
Date: Mon, 25 Nov 2013 16:22:07 -0200<br>To: <a href="mailto:rio-pm@pm.org" target="_blank">rio-pm@pm.org</a><br>Subject: Re: [Rio-pm] [HELP] Controlando comandos do sistema<br><br></div><div><div class="h5"><div dir="ltr">
<pre style="max-height:600px;width:auto;background-color:rgb(238,238,238);padding:5px 5px 5px 10px;vertical-align:baseline;line-height:18px;border-left-color:rgb(204,204,204);border-left-style:solid;font-size:14px;overflow:auto;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif;word-wrap:normal;border-width:0px 0px 0px 5px">
<code style="padding:0px;border:0px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif"> SIGINT 2 Term Interrupt from keyboard
</code></pre><div><code style="padding:0px;border:0px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif"><br>
</code></div><div><code style="padding:0px;border:0px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif">Esse é o CTRL+C,</code></div>
<div><code style="padding:0px;border:0px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif"><br>
</code></div><div><code style="padding:0px;border:0px;vertical-align:baseline"><font face="Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif">$SIG{INT} = 'IGNORE';</font><br>
</code></div><div><code style="padding:0px;border:0px;vertical-align:baseline"><font face="Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif"><br>
</font></code></div><div><font face="Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif">não consegui fazer assim:</font></div><div><font face="Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif"><br>
my $c = 0; $SIG{INT} = sub { return 'IGNORE' if $c++ < 3 };<br></font></div><div><font face="Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif"><br>
</font></div><div><font face="Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif">não sei porque, alguem sabe?</font></div><div>
<br><br><div>2013/11/25 Andre Luis <span dir="ltr"><<a href="mailto:alpbs2003@gmail.com" target="_blank">alpbs2003@gmail.com</a>></span><br><blockquote style="border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div dir="ltr">nesse caso só iria ignorar ele nao irira tratar ... pelo que eu entendi ele quer tratar <br><br><br><a name="142909ad67ff3d39_142907eca8cdbaa1_142907b70d141155_1429071cac0b10b5_INDEX-789" style="font-size:medium;font-family:'Times New Roman'"></a><pre style="white-space:pre-wrap;word-wrap:break-word;border:1px dashed rgb(211,211,211);padding:7px;background-color:rgb(250,250,250)">
<a name="142909ad67ff3d39_142907eca8cdbaa1_142907b70d141155_1429071cac0b10b5_INDEX-789" style="font-size:medium;font-family:'Times New Roman'"></a><a name="142909ad67ff3d39_142907eca8cdbaa1_142907b70d141155_1429071cac0b10b5_INDEX-789" style="font-size:medium;font-family:'Times New Roman'"><pre style="white-space:pre-wrap;word-wrap:break-word;border:1px dashed rgb(211,211,211);padding:7px;background-color:rgb(250,250,250)">
$SIG{KILL} = sub { do_something() }; <br> <br></pre></a></pre><br></div><div><br><br><div>Em 25 de novembro de 2013 16:06, Renato Santos <span dir="ltr"><<a href="mailto:renato.cron@gmail.com" target="_blank">renato.cron@gmail.com</a>></span> escreveu:<div>
<div><br>
<blockquote style="border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">você tem que ignorar o sinal de KILL do sistema.<div>
<br></div><div><br><div>para saber mais sobre os sinais, <a href="http://perldoc.perl.org/perlipc.html" target="_blank">http://perldoc.perl.org/perlipc.html</a></div>
</div>
<div><br></div><div>algo para ignorar pra sempre,</div><div><a name="142909ad67ff3d39_142907eca8cdbaa1_142907b70d141155_1429071cac0b10b5_INDEX-789" style="font-size:medium;font-family:'Times New Roman'"><blockquote>
<pre style="white-space:pre-wrap;word-wrap:break-word;border:1px dashed rgb(211,211,211);padding:7px;background-color:rgb(250,250,250)">$SIG{KILL} = 'IGNORE';</pre></blockquote></a></div></div><div><br><br><div>2013/11/25 Aureliano Guedes <span dir="ltr"><<a href="mailto:guedes_1000@hotmail.com" target="_blank">guedes_1000@hotmail.com</a>></span><br>
<blockquote style="border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div><div>
<div><div dir="ltr">Boa tarde,<div>Monges.</div><div><br></div><div>Gostaria de saber se existe a possibilidade de eu controlar comandos do sistema?</div><div><br></div><div>Bom, quando estamos executando algum script, se eu quiser encerra-lo a qualquer momento basta que eu tecle Ctrl + C.</div>
<div>Mas e se eu quisesse, especificamente em um script, determinar que seu encerramento fosse após apertar 3 vezes consecutivas Ctrl + C, ou então ao apertar Ctrl + shift + C, ou sei lá, qualquer outro comando que eu queira, como deveria fazer?</div>
<div><br></div><div>Desde já grato.</div><div><br></div><div>Att,</div><div>Aureliano Guedes</div> </div></div>
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<br clear="all"><div><br></div>-- <br><div><span style="color:rgb(51,51,51);font-size:x-small">Saravá,</span></div>
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