<?xml version="1.0" encoding="utf-8" ?> <!-- for emacs: -*- coding: utf-8 -*- --> <!-- Apache may like this line in the file .htaccess: AddCharset utf-8 .html --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" > <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head><title>wait -- wait for child process</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_command__Line.html">next</a> | <a href="_timing.html">previous</a> | <a href="_command__Line.html">forward</a> | <a href="_timing.html">backward</a> | <a href="_system_spfacilities.html">up</a> | <a href="index.html">top</a> | <a href="master.html">index</a> | <a href="toc.html">toc</a> | <a href="http://www.math.uiuc.edu/Macaulay2/">Macaulay2 web site</a></div> </td> </tr> </table> <div><a href="index.html" title="">Macaulay2Doc</a> > <a href="___The_sp__Macaulay2_splanguage.html" title="">The Macaulay2 language</a> > <a href="_system_spfacilities.html" title="">system facilities</a> > <a href="_wait.html" title="wait for child process">wait</a></div> <hr/> <div><h1>wait -- wait for child process</h1> <div class="single"><h2>Description</h2> <div><tt>wait i</tt> waits for the completion of child process with process id <tt>i</tt>.<br/><tt>wait f</tt> waits for the input file to have some input ready.<br/><tt>wait s</tt> waits for at least one of the files in the list <tt>s</tt> of input files to be ready, and return the list of positions corresponding to ready files.<br/><tt>wait v</tt> checks whether the processes whose id's are in the list <tt>v</tt> of integers have terminated, and returns a list containing the status codes for those processes that have terminated. A value of -1 in the list indicates an error for that process id, and a value of -2 in the list indicates that the process is still running.</div> </div> </div> </body> </html>