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Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perlguts.pod | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/pod/perlguts.pod b/pod/perlguts.pod index e4d4a14372..323d456935 100644 --- a/pod/perlguts.pod +++ b/pod/perlguts.pod @@ -1667,6 +1667,23 @@ additional complications for conditionals). These optimizations are 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 |