Mercurial > cpython-lru_cache-weakref

diff Doc/lib/libos.tex @ 23921:bae996bb7d82 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add description of the deadlock problem with child processes and pipes, and hints about how to work around it. Closes SF bug #530637.
author Fred Drake <fdrake@acm.org>
date Tue, 18 Jun 2002 20:30:37 +0000
parents 8305a19584bc
children 68995e854a88
line wrap: on
line diff
--- a/Doc/lib/libos.tex	Tue Jun 18 19:17:14 2002 +0000
+++ b/Doc/lib/libos.tex	Tue Jun 18 20:30:37 2002 +0000
@@ -339,6 +339,11 @@
 \class{Popen3} and \class{Popen4} classes from the \refmodule{popen2}
 module; these are only available on \UNIX.
 
+For a discussion of possible dead lock conditions related to the use
+of these functions, see ``\ulink{Flow Control
+Issues}{popen2-flow-control.html}''
+(section~\ref{popen2-flow-control}).
+
 \begin{funcdesc}{popen2}{cmd\optional{, mode\optional{, bufsize}}}
 Executes \var{cmd} as a sub-process.  Returns the file objects
 \code{(\var{child_stdin}, \var{child_stdout})}.