Change 11268 by jhi@alpha on 2001/07/11 00:30:56
Subject: [DOC PATCH] Pluggable runops
From: Paul Johnson <[EMAIL PROTECTED]>
Date: Tue, 10 Jul 2001 21:53:28 +0200
Message-ID: <[EMAIL PROTECTED]>
Affected files ...
... //depot/perl/pod/perlguts.pod#91 edit
Differences ...
==== //depot/perl/pod/perlguts.pod#91 (text) ====
Index: perl/pod/perlguts.pod
--- perl/pod/perlguts.pod.~1~ Tue Jul 10 18:45:05 2001
+++ perl/pod/perlguts.pod Tue Jul 10 18:45:05 2001
@@ -1667,6 +1667,23 @@
done in the subroutine peep(). Optimizations performed at this stage
are subject to the same restrictions as in the pass 2.
+=head2 Pluggable runops
+
+The compile tree is executed in a runops function. There are two runops
+functions in F<run.c>. C<Perl_runops_debug> is used with DEBUGGING and
+C<Perl_runops_standard> is used otherwise. For fine control over the
+execution of the compile tree it is possible to provide your own runops
+function.
+
+It's probably best to copy one of the existing runops functions and
+change it to suit your needs. Then, in the BOOT section of your XS
+file, add the line:
+
+ PL_runops = my_runops;
+
+This function should be as efficient as possible to keep your programs
+running as fast as possible.
+
=head1 Examining internal data structures with the C<dump> functions
To aid debugging, the source file F<dump.c> contains a number of
End of Patch.
