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[Bug 1083177] Describe signal() change; add a link

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Andrew M. Kuchling 2005-01-07 14:34:41 +00:00
parent 1dd087cbad
commit e4f5600e5c
1 changed files with 14 additions and 4 deletions
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Doc/whatsnew/whatsnew24.tex
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@ -379,9 +379,11 @@ function that's constructed and returned.
by Kevin D. Smith, Jim Jewett, and Skip Montanaro. Several people by Kevin D. Smith, Jim Jewett, and Skip Montanaro. Several people
wrote patches implementing function decorators, but the one that was wrote patches implementing function decorators, but the one that was
actually checked in was patch \#979728, written by Mark Russell.} actually checked in was patch \#979728, written by Mark Russell.}
\end{seealso}
% XXX add link to decorators module in Wiki \seeurl{http://www.python.org/moin/PythonDecoratorLibrary}
{This Wiki page contains several examples of decorators.}
\end{seealso}
%====================================================================== %======================================================================
@ -1426,6 +1428,12 @@ sidestep the checking and if you were unlucky Python could segfault.
Python 2.4's regular expression engine can match this pattern without Python 2.4's regular expression engine can match this pattern without
problems. problems.
\item The \module{signal} module now performs tighter error-checking
on the parameters to the \function{signal.signal()} function. For
example, you can't set a handler on the \constant{SIGKILL} signal;
previous versions of Python would quietly accept this, but 2.4 will
raise a \exception{RuntimeError} exception.
\item Two new functions were added to the \module{socket} module. \item Two new functions were added to the \module{socket} module.
\function{socketpair()} returns a pair of connected sockets and \function{socketpair()} returns a pair of connected sockets and
\function{getservbyport(\var{port})} looks up the service name for a \function{getservbyport(\var{port})} looks up the service name for a
@ -1724,8 +1732,10 @@ a partially-initialized module object in \code{sys.modules}.
\item \constant{None} is now a constant; code that binds a new value to \item \constant{None} is now a constant; code that binds a new value to
the name \samp{None} is now a syntax error. the name \samp{None} is now a syntax error.
% signal module now raises a RuntimeError on insane calls - e.g. setting a \item The \function{signals.signal()} function now raises a
% handler on SIGKILL \exception{RuntimeError} exception for certain illegal values;
previously these errors would pass silently. For example, you can no
longer set a handler on the \constant{SIGKILL} signal.
\end{itemize} \end{itemize}