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Last change
on this file was
12888,
checked in by westram, 11 years ago
|
- fix #603
- abort all TAs and close all DBs
- in arb-perl death-handler
- on exit (i.e. perl scripts will now abort unclosed TAs - not sure whether they did commit b4)
|
-
Property svn:eol-style set to
native
-
Property svn:keywords set to
Author Date Id Revision
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File size:
1.7 KB
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| 1 | package ARB; |
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| 2 | |
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| 3 | use strict; |
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| 4 | use vars qw($VERSION @ISA @EXPORT); |
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| 5 | |
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| 6 | require Exporter; |
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| 7 | require DynaLoader; |
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| 8 | |
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| 9 | @ISA = qw(Exporter DynaLoader); |
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| 10 | # Items to export into callers namespace by default. Note: do not export |
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| 11 | # names by default without a very good reason. Use EXPORT_OK instead. |
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| 12 | # Do not simply export all your public functions/methods/constants. |
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| 13 | @EXPORT = qw( |
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| 14 | |
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| 15 | ); |
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| 16 | $VERSION = '0.01'; |
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| 17 | |
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| 18 | bootstrap ARB $VERSION; |
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| 19 | |
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| 20 | # globally catch die, redirect to arb_message, then confess |
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| 21 | package CORE::GLOBAL; |
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| 22 | use subs 'die'; |
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| 23 | my $already_dying = 0; |
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| 24 | |
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| 25 | sub show_arb_message($) { |
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| 26 | my ($msg) = @_; |
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| 27 | $msg =~ s/\n/\\n/g; |
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| 28 | $msg =~ s/'/"/g; |
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| 29 | system("arb_message '$msg'"); |
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| 30 | } |
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| 31 | |
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| 32 | sub die { |
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| 33 | if ($already_dying==0) { |
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| 34 | $already_dying++; # do not recurse |
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| 35 | |
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| 36 | ARB::prepare_to_die(); # abort all transactions and close all databases (too avoid deadlock; see #603) |
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| 37 | |
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| 38 | my ($msg) = @_; |
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| 39 | $msg =~ s/\n+$//g; # remove trailing LFs |
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| 40 | if ($msg eq '') { $msg = 'Unknown macro execution error'; } |
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| 41 | else { $msg = "Macro execution error: '$msg'"; } |
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| 42 | show_arb_message($msg."\n(see console for details)"); |
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| 43 | |
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| 44 | use Carp; |
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| 45 | Carp::confess("Macro execution error: '$msg'"); # recurses into this sub |
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| 46 | } |
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| 47 | else { |
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| 48 | CORE::die @_; |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | # Preloaded methods go here. |
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| 53 | |
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| 54 | # Autoload methods go after =cut, and are processed by the autosplit program. |
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| 55 | |
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| 56 | 1; |
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| 57 | __END__ |
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| 58 | # Below is the stub of documentation for your module. You better edit it! |
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| 59 | |
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| 60 | =head1 NAME |
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| 61 | |
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| 62 | ARB - Perl extension for ARB |
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| 63 | |
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| 64 | =head1 SYNOPSIS |
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| 65 | |
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| 66 | use ARB; |
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| 67 | |
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| 68 | =head1 DESCRIPTION |
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| 69 | |
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| 70 | The ARB perl module provides access to a ARB databases. You may |
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| 71 | connect to a remote database (e.g. a running instance of ARB_NTREE) or |
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| 72 | open your own database. |
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| 73 | |
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| 74 | =head1 AUTHOR |
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| 75 | |
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| 76 | ARB development, devel@arb-home.de |
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| 77 | |
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| 78 | =head1 SEE ALSO |
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| 79 | |
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| 80 | perl(1). |
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| 81 | |
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| 82 | =cut |
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