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| author | Yves Orton <demerphq@gmail.com> | 2022-08-29 13:57:00 +0200 |
|---|---|---|
| committer | Karl Williamson <khw@cpan.org> | 2022-08-30 09:28:57 -0600 |
| commit | 1b6cb4fd1fd2aa3611fc3707b763076950831863 (patch) | |
| tree | 330576bf3783a0246546704af7820b3304f3872e /pod/perlinterp.pod | |
| parent | 80f9dd66d1498f4eb40bcec77888c00955ed7527 (diff) | |
| download | perl-1b6cb4fd1fd2aa3611fc3707b763076950831863.tar.gz | |
perlinterp.pod - minor enhancements of the docs about JMPENV_ macros
Added a bit more on the levels and return codes. 1 is actually used
in the outmost call, or at least there is code to support it. Also
added "level" info, since that is used in -Dl.
Diffstat (limited to 'pod/perlinterp.pod')
| -rw-r--r-- | pod/perlinterp.pod | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/pod/perlinterp.pod b/pod/perlinterp.pod index 812d95ca9d..66dd22704e 100644 --- a/pod/perlinterp.pod +++ b/pod/perlinterp.pod @@ -194,11 +194,11 @@ achieved via a C<JMPENV_JUMP()>. In particular: =over -=item * perl-level exit() and internals my_exit() +=item * level 2: perl-level exit() and internals my_exit() These unwind all stacks, then perform a JMPENV_JUMP(2). -=item * perl-level die() and internals croak() +=item * level 3: perl-level die() and internals croak() If currently within an eval, these pop the context stack back to the nearest C<CXt_EVAL> frame, set C<$@> as appropriate, set C<PL_restartop> @@ -208,8 +208,13 @@ a JMPENV_JUMP(3). Otherwise, the error message is printed to C<STDERR>, then it is treated as an exit: unwind all stacks and perform a JMPENV_JUMP(2). -(JMPENV_JUMP(1) is currently unused, and the zero value is for a normal -return from JMPENV_PUSH().) +=item * level 1: unused + +JMPENV_JUMP(1) is currently unused except in perl_run(). + +=item * level 0: normal return. + +The zero value is for a normal return from JMPENV_PUSH() =back |