lib/File/Find.pm for QNX, NTO

[p5sagit/p5-mst-13.2.git] / lib / diagnostics.pm

diff --git a/lib/diagnostics.pm b/lib/diagnostics.pm
index 4ef9a2f..c68fa3f 100755 (executable)
--- a/lib/diagnostics.pm
+++ b/lib/diagnostics.pm
@@ -168,10 +168,10 @@ Tom Christiansen <F<tchrist@mox.perl.com>>, 25 June 1995.
 =cut
 
 use strict;
-use 5.6.0;
+use 5.006;
 use Carp;
 
-our $VERSION = 1.0;
+our $VERSION = 1.1;
 our $DEBUG;
 our $VERBOSE;
 our $PRETTY;
@@ -411,7 +411,7 @@ sub import {
     shift;
     $^W = 1; # yup, clobbered the global variable; 
             # tough, if you want diags, you want diags.
-    return if $SIG{__WARN__} eq \&warn_trap;
+    return if defined $SIG{__WARN__} && ($SIG{__WARN__} eq \&warn_trap);
 
     for (@_) {
 
@@ -476,11 +476,18 @@ sub death_trap {
     if (caller eq $WHOAMI) { print STDERR "INTERNAL EXCEPTION: $exception"; } 
     &$olddie if defined $olddie and $olddie and $olddie ne \&death_trap;
 
+    return if $in_eval;
+
     # We don't want to unset these if we're coming from an eval because
-    # then we've turned off diagnostics. (Actually what does this next
-    # line do?  -PSeibel)
-    $SIG{__DIE__} = $SIG{__WARN__} = '' unless $in_eval;
+    # then we've turned off diagnostics.
+
+    # Switch off our die/warn handlers so we don't wind up in our own
+    # traps.
+    $SIG{__DIE__} = $SIG{__WARN__} = '';
+
+    # Have carp skip over death_trap() when showing the stack trace.
     local($Carp::CarpLevel) = 1;
+
     confess "Uncaught exception from user code:\n\t$exception";
        # up we go; where we stop, nobody knows, but i think we die now
        # but i'm deeply afraid of the &$olddie guy reraising and us getting