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Make OpenSSL::Test::run() sensitive to signals

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$? in perl gets the status value from wait(2), which is a word with
the exit code in the upper half and the number of a raised signal in
the lower half.  OpenSSL::Test::run() ignored the signal half up until
now.

With this change, we recalculate an exit code the same way the Unix
shells do, using this formula:

    ($? & 0x7f) ? ($? & 0x7f)|0x80 : ($? >> 8);

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
This commit is contained in:
Richard Levitte 2016-03-18 08:57:52 +01:00
parent 71cdcfc606
commit 2ef157afb9
1 changed files with 7 additions and 2 deletions
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9
test/testlib/OpenSSL/Test.pm
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@ -324,12 +324,17 @@ sub run {
my @r = ();
my $r = 0;
my $e = 0;
# The dance we do with $? is the same dance the Unix shells appear to
# do. For example, a program that gets aborted (and therefore signals
# SIGABRT = 6) will appear to exit with the code 134. We mimic this
# to make it easier to compare with a manual run of the command.
if ($opts{capture}) {
@r = `$prefix$cmd`;
$e = $? >> 8;
$e = ($? & 0x7f) ? ($? & 0x7f)|0x80 : ($? >> 8);
} else {
system("$prefix$cmd");
$e = $? >> 8;
$e = ($? & 0x7f) ? ($? & 0x7f)|0x80 : ($? >> 8);
$r = $hooks{exit_checker}->($e);
}