<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >pcntl_alarm</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="Process Control Functions" HREF="ref.pcntl.html"><LINK REL="PREVIOUS" TITLE="Process Control Functions" HREF="ref.pcntl.html"><LINK REL="NEXT" TITLE="pcntl_exec" HREF="function.pcntl-exec.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="ref.pcntl.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.pcntl-exec.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pcntl-alarm" ></A >pcntl_alarm</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN164912" ></A ><P > (PHP 4 >= 4.3.0, PHP 5)</P >pcntl_alarm -- Set an alarm clock for delivery of a signal</DIV ><DIV CLASS="refsect1" ><A NAME="AEN164915" ></A ><H2 >Descrição</H2 >int <B CLASS="methodname" >pcntl_alarm</B > ( int seconds )<BR ></BR ><P > Creates a timer that will send a <TT CLASS="constant" ><B >SIGALRM</B ></TT > signal to the process after the given number of seconds. Any call to <B CLASS="function" >pcntl_alarm()</B > will cancel any previously set alarm. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN164926" ></A ><H2 >Parâmetros</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >seconds</CODE ></DT ><DD ><P > The number of seconds to wait. If <CODE CLASS="parameter" >seconds</CODE > is zero, no new alarm is created. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN164936" ></A ><H2 >Valores de retornado</H2 ><P > Returns the time in seconds that any previously scheduled alarm had remaining before it was to be delivered, or <TT CLASS="literal" >0</TT > if there was no previously scheduled alarm. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="ref.pcntl.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.pcntl-exec.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Process Control Functions</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.pcntl.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >pcntl_exec</TD ></TR ></TABLE ></DIV ></BODY ></HTML >