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######################################################################## |
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# Signal::StackTrace::CarpLike - run a stack dump on a signal. |
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######################################################################## |
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######################################################################## |
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# housekeeping |
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######################################################################## |
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8
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package Signal::StackTrace::CarpLike; |
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10
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1
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1
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1105
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use 5.006; |
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5
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1
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37
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11
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1
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use strict; |
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1
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32
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1
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1
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use Carp; |
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2
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1
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73
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15
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1
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1
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5
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use Config; |
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1
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37
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1
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1
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16427
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use Data::Dumper; |
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8072
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1
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281
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######################################################################## |
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# package variables |
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######################################################################## |
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our $VERSION = 0.01; |
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25
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my %known_sigz = (); |
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@known_sigz{ split ' ', $Config{ sig_name } } = (); |
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29
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######################################################################## |
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# install the signal handlers |
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######################################################################## |
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sub import |
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{ |
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# discard this package; |
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# remainder of the stack are signal names. |
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38
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1
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1
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15
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shift; |
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40
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1
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50
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5
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if( @_ ) |
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{ |
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42
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0
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0
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0
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if( my @junk = grep { ! exists $known_sigz{ $_ } } @_ ) |
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0
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0
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43
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{ |
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0
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0
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croak "Unknown signals: unknown signals @junk"; |
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} |
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46
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47
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# all the signals are known, install them all |
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48
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# with the cluck handler. |
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50
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0
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0
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@SIG{ @_ } = ( \&Carp::cluck ) x @_; |
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51
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} |
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52
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else |
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53
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{ |
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54
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1
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28
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$SIG{ USR1 } = \&Carp::cluck; |
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} |
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56
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57
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return |
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58
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1
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16
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} |
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59
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60
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# keep require happy |
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61
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62
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1 |
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63
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64
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__END__ |