#
# t/test.pl - most of Test::More functionality without the fuss
# NOTE:
#
# Increment ($x++) has a certain amount of cleverness for things like
#
# $x = 'zz';
# $x++; # $x eq 'aaa';
#
# stands more chance of breaking than just a simple
#
# $x = $x + 1
#
# In this file, we use the latter "Baby Perl" approach, and increment
# will be worked over by t/op/inc.t
$Level = 1;
my $test = 1;
my $planned;
my $noplan;
my $Perl; # Safer version of $^X set by which_perl()
$TODO = 0;
$NO_ENDING = 0;
# Use this instead of print to avoid interference while testing globals.
sub _print {
local($\, $", $,) = (undef, ' ', '');
print STDOUT @_;
}
sub _print_stderr {
local($\, $", $,) = (undef, ' ', '');
print STDERR @_;
}
sub plan {
my $n;
if (@_ == 1) {
$n = shift;
if ($n eq 'no_plan') {
undef $n;
$noplan = 1;
}
} else {
my %plan = @_;
$n = $plan{tests};
}
_print "1..$n\n" unless $noplan;
$planned = $n;
}
END {
my $ran = $test - 1;
if (!$NO_ENDING) {
if (defined $planned && $planned != $ran) {
_print_stderr
"# Looks like you planned $planned tests but ran $ran.\n";
} elsif ($noplan) {
_print "1..$ran\n";
}
}
}
# Use this instead of "print STDERR" when outputing failure diagnostic
# messages
sub _diag {
return unless @_;
my @mess = map { /^#/ ? "$_\n" : "# $_\n" }
map { split /\n/ } @_;
$TODO ? _print(@mess) : _print_stderr(@mess);
}
sub diag {
_diag(@_);
}
sub skip_all {
if (@_) {
_print "1..0 # Skip @_\n";
} else {
_print "1..0\n";
}
exit(0);
}
sub _ok {
my ($pass, $where, $name, @mess) = @_;
# Do not try to microoptimize by factoring out the "not ".
# VMS will avenge.
my $out;
if ($name) {
# escape out '#' or it will interfere with '# skip' and such
$name =~ s/#/\\#/g;
$out = $pass ? "ok $test - $name" : "not ok $test - $name";
} else {
$out = $pass ? "ok $test" : "not ok $test";
}
$out .= " # TODO $TODO" if $TODO;
_print "$out\n";
unless ($pass) {
_diag "# Failed $where\n";
}
# Ensure that the message is properly escaped.
_diag @mess;
$test = $test + 1; # don't use ++
return $pass;
}
sub _where {
my @caller = caller($Level);
return "at $caller[1] line $caller[2]";
}
# DON'T use this for matches. Use like() instead.
sub ok ($@) {
my ($pass, $name, @mess) = @_;
_ok($pass, _where(), $name, @mess);
}
sub _q {
my $x = shift;
return 'undef' unless defined $x;
my $q = $x;
$q =~ s/\\/\\\\/g;
$q =~ s/'/\\'/g;
return "'$q'";
}
sub _qq {
my $x = shift;
return defined $x ? '"' . display ($x) . '"' : 'undef';
};
# keys are the codes \n etc map to, values are 2 char strings such as \n
my %backslash_escape;
foreach my $x (split //, 'nrtfa\\\'"') {
$backslash_escape{ord eval "\"\\$x\""} = "\\$x";
}
# A way to display scalars containing control characters and Unicode.
# Trying to avoid setting $_, or relying on local $_ to work.
sub display {
my @result;
foreach my $x (@_) {
if (defined $x and not ref $x) {
my $y = '';
foreach my $c (unpack("U*", $x)) {
if ($c > 255) {
$y .= sprintf "\\x{%x}", $c;
} elsif ($backslash_escape{$c}) {
$y .= $backslash_escape{$c};
} else {
my $z = chr $c; # Maybe we can get away with a literal...
$z = sprintf "\\%03o", $c if $z =~ /[[:^print:]]/;
$y .= $z;
}
}
$x = $y;
}
return $x unless wantarray;
push @result, $x;
}
return @result;
}
sub is ($$@) {
my ($got, $expected, $name, @mess) = @_;
my $pass;
if( !defined $got || !defined $expected ) {
# undef only matches undef
$pass = !defined $got && !defined $expected;
}
else {
$pass = $got eq $expected;
}
unless ($pass) {
unshift(@mess, "# got "._q($got)."\n",
"# expected "._q($expected)."\n");
}
_ok($pass, _where(), $name, @mess);
}
sub isnt ($$@) {
my ($got, $isnt, $name, @mess) = @_;
my $pass;
if( !defined $got || !defined $isnt ) {
# undef only matches undef
$pass = defined $got || defined $isnt;
}
else {
$pass = $got ne $isnt;
}
unless( $pass ) {
unshift(@mess, "# it should not be "._q($got)."\n",
"# but it is.\n");
}
_ok($pass, _where(), $name, @mess);
}
sub cmp_ok ($$$@) {
my($got, $type, $expected, $name, @mess) = @_;
my $pass;
{
local $^W = 0;
local($@,$!); # don't interfere with $@
# eval() sometimes resets $!
$pass = eval "\$got $type \$expected";
}
unless ($pass) {
# It seems Irix long doubles can have 2147483648 and 2147483648
# that stringify to the same thing but are acutally numerically
# different. Display the numbers if $type isn't a string operator,
# and the numbers are stringwise the same.
# (all string operators have alphabetic names, so tr/a-z// is true)
# This will also show numbers for some uneeded cases, but will
# definately be helpful for things such as == and <= that fail
if ($got eq $expected and $type !~ tr/a-z//) {
unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
}
unshift(@mess, "# got "._q($got)."\n",
"# expected $type "._q($expected)."\n");
}
_ok($pass, _where(), $name, @mess);
}
# Check that $got is within $range of $expected
# if $range is 0, then check it's exact
# else if $expected is 0, then $range is an absolute value
# otherwise $range is a fractional error.
# Here $range must be numeric, >= 0
# Non numeric ranges might be a useful future extension. (eg %)
sub within ($$$@) {
my ($got, $expected, $range, $name, @mess) = @_;
my $pass;
if (!defined $got or !defined $expected or !defined $range) {
# This is a fail, but doesn't need extra diagnostics
} elsif ($got !~ tr/0-9// or $expected !~ tr/0-9// or $range !~ tr/0-9//) {
# This is a fail
unshift @mess, "# got, expected and range must be numeric\n";
} elsif ($range < 0) {
# This is also a fail
unshift @mess, "# range must not be negative\n";
} elsif ($range == 0) {
# Within 0 is ==
$pass = $got == $expected;
} elsif ($expected == 0) {
# If expected is 0, treat range as absolute
$pass = ($got <= $range) && ($got >= - $range);
} else {
my $diff = $got - $expected;
$pass = abs ($diff / $expected) < $range;
}
unless ($pass) {
if ($got eq $expected) {
unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
}
unshift@mess, "# got "._q($got)."\n",
"# expected "._q($expected)." (within "._q($range).")\n";
}
_ok($pass, _where(), $name, @mess);
}
# Note: this isn't quite as fancy as Test::More::like().
sub like ($$@) { like_yn (0,@_) }; # 0 for -
sub unlike ($$@) { like_yn (1,@_) }; # 1 for un-
sub like_yn ($$$@) {
my ($flip, $got, $expected, $name, @mess) = @_;
my $pass;
$pass = $got =~ /$expected/ if !$flip;
$pass = $got !~ /$expected/ if $flip;
unless ($pass) {
unshift(@mess, "# got '$got'\n",
$flip
? "# expected !~ /$expected/\n" : "# expected /$expected/\n");
}
local $Level = $Level + 1;
_ok($pass, _where(), $name, @mess);
}
sub pass {
_ok(1, '', @_);
}
sub fail {
_ok(0, _where(), @_);
}
sub curr_test {
$test = shift if @_;
return $test;
}
sub next_test {
my $retval = $test;
$test = $test + 1; # don't use ++
$retval;
}
# Note: can't pass multipart messages since we try to
# be compatible with Test::More::skip().
sub skip {
my $why = shift;
my $n = @_ ? shift : 1;
for (1..$n) {
_print "ok $test # skip $why\n";
$test = $test + 1;
}
local $^W = 0;
last SKIP;
}
sub todo_skip {
my $why = shift;
my $n = @_ ? shift : 1;
for (1..$n) {
_print "not ok $test # TODO & SKIP $why\n";
$test = $test + 1;
}
local $^W = 0;
last TODO;
}
sub eq_array {
my ($ra, $rb) = @_;
return 0 unless $#$ra == $#$rb;
for my $i (0..$#$ra) {
next if !defined $ra->[$i] && !defined $rb->[$i];
return 0 if !defined $ra->[$i];
return 0 if !defined $rb->[$i];
return 0 unless $ra->[$i] eq $rb->[$i];
}
return 1;
}
sub eq_hash {
my ($orig, $suspect) = @_;
my $fail;
while (my ($key, $value) = each %$suspect) {
# Force a hash recompute if this perl's internals can cache the hash key.
$key = "" . $key;
if (exists $orig->{$key}) {
if ($orig->{$key} ne $value) {
_print "# key ", _qq($key), " was ", _qq($orig->{$key}),
" now ", _qq($value), "\n";
$fail = 1;
}
} else {
_print "# key ", _qq($key), " is ", _qq($value),
", not in original.\n";
$fail = 1;
}
}
foreach (keys %$orig) {
# Force a hash recompute if this perl's internals can cache the hash key.
$_ = "" . $_;
next if (exists $suspect->{$_});
_print "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
$fail = 1;
}
!$fail;
}
sub require_ok ($) {
my ($require) = @_;
eval <<REQUIRE_OK;
require $require;
REQUIRE_OK
_ok(!$@, _where(), "require $require");
}
sub use_ok ($) {
my ($use) = @_;
eval <<USE_OK;
use $use;
USE_OK
_ok(!$@, _where(), "use $use");
}
# runperl - Runs a separate perl interpreter.
# Arguments :
# switches => [ command-line switches ]
# nolib => 1 # don't use -I../lib (included by default)
# prog => one-liner (avoid quotes)
# progs => [ multi-liner (avoid quotes) ]
# progfile => perl script
# stdin => string to feed the stdin
# stderr => redirect stderr to stdout
# args => [ command-line arguments to the perl program ]
# verbose => print the command line
my $is_mswin = $^O eq 'MSWin32';
my $is_netware = $^O eq 'NetWare';
my $is_macos = $^O eq 'MacOS';
my $is_vms = $^O eq 'VMS';
my $is_cygwin = $^O eq 'cygwin';
sub _quote_args {
my ($runperl, $args) = @_;
foreach (@$args) {
# In VMS protect with doublequotes because otherwise
# DCL will lowercase -- unless already doublequoted.
$_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
$$runperl .= ' ' . $_;
}
}
sub _create_runperl { # Create the string to qx in runperl().
my %args = @_;
my $runperl = which_perl();
if ($runperl =~ m/\s/) {
$runperl = qq{"$runperl"};
}
#- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
if ($ENV{PERL_RUNPERL_DEBUG}) {
$runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
}
unless ($args{nolib}) {
if ($is_macos) {
$runperl .= ' -I::lib';
# Use UNIX style error messages instead of MPW style.
$runperl .= ' -MMac::err=unix' if $args{stderr};
}
else {
$runperl .= ' "-I../lib"'; # doublequotes because of VMS
}
}
if ($args{switches}) {
local $Level = 2;
die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
unless ref $args{switches} eq "ARRAY";
_quote_args(\$runperl, $args{switches});
}
if (defined $args{prog}) {
die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
if defined $args{progs};
$args{progs} = [$args{prog}]
}
if (defined $args{progs}) {
die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
unless ref $args{progs} eq "ARRAY";
foreach my $prog (@{$args{progs}}) {
if ($is_mswin || $is_netware || $is_vms) {
$runperl .= qq ( -e "$prog" );
}
else {
$runperl .= qq ( -e '$prog' );
}
}
} elsif (defined $args{progfile}) {
$runperl .= qq( "$args{progfile}");
} else {
# You probaby didn't want to be sucking in from the upstream stdin
die "test.pl:runperl(): none of prog, progs, progfile, args, "
. " switches or stdin specified"
unless defined $args{args} or defined $args{switches}
or defined $args{stdin};
}
if (defined $args{stdin}) {
# so we don't try to put literal newlines and crs onto the
# command line.
$args{stdin} =~ s/\n/\\n/g;
$args{stdin} =~ s/\r/\\r/g;
if ($is_mswin || $is_netware || $is_vms) {
$runperl = qq{$Perl -e "print qq(} .
$args{stdin} . q{)" | } . $runperl;
}
elsif ($is_macos) {
# MacOS can only do two processes under MPW at once;
# the test itself is one; we can't do two more, so
# write to temp file
my $stdin = qq{$Perl -e 'print qq(} . $args{stdin} . qq{)' > teststdin; };
if ($args{verbose}) {
my $stdindisplay = $stdin;
$stdindisplay =~ s/\n/\n\#/g;
_print_stderr "# $stdindisplay\n";
}
`$stdin`;
$runperl .= q{ < teststdin };
}
else {
$runperl = qq{$Perl -e 'print qq(} .
$args{stdin} . q{)' | } . $runperl;
}
}
if (defined $args{args}) {
_quote_args(\$runperl, $args{args});
}
$runperl .= ' 2>&1' if $args{stderr} && !$is_macos;
$runperl .= " \xB3 Dev:Null" if !$args{stderr} && $is_macos;
if ($args{verbose}) {
my $runperldisplay = $runperl;
$runperldisplay =~ s/\n/\n\#/g;
_print_stderr "# $runperldisplay\n";
}
return $runperl;
}
sub runperl {
die "test.pl:runperl() does not take a hashref"
if ref $_[0] and ref $_[0] eq 'HASH';
my $runperl = &_create_runperl;
my $result;
my $tainted = ${^TAINT};
my %args = @_;
exists $args{switches} && grep m/^-T$/, @{$args{switches}} and $tainted = $tainted + 1;
if ($tainted) {
# We will assume that if you're running under -T, you really mean to
# run a fresh perl, so we'll brute force launder everything for you
my $sep;
if (! eval 'require Config; 1') {
warn "test.pl had problems loading Config: $@";
$sep = ':';
} else {
$sep = $Config::Config{path_sep};
}
my @keys = grep {exists $ENV{$_}} qw(CDPATH IFS ENV BASH_ENV);
local @ENV{@keys} = ();
# Untaint, plus take out . and empty string:
local $ENV{'DCL$PATH'} = $1 if $is_vms && ($ENV{'DCL$PATH'} =~ /(.*)/s);
$ENV{PATH} =~ /(.*)/s;
local $ENV{PATH} =
join $sep, grep { $_ ne "" and $_ ne "." and -d $_ and
($is_mswin or $is_vms or !(stat && (stat _)[2]&0022)) }
split quotemeta ($sep), $1;
$ENV{PATH} .= "$sep/bin" if $is_cygwin; # Must have /bin under Cygwin
$runperl =~ /(.*)/s;
$runperl = $1;
$result = `$runperl`;
} else {
$result = `$runperl`;
}
$result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
return $result;
}
*run_perl = \&runperl; # Nice alias.
sub DIE {
_print_stderr "# @_\n";
exit 1;
}
# A somewhat safer version of the sometimes wrong $^X.
sub which_perl {
unless (defined $Perl) {
$Perl = $^X;
# VMS should have 'perl' aliased properly
return $Perl if $^O eq 'VMS';
my $exe;
if (! eval 'require Config; 1') {
warn "test.pl had problems loading Config: $@";
$exe = '';
} else {
$exe = $Config::Config{_exe};
}
$exe = '' unless defined $exe;
# This doesn't absolutize the path: beware of future chdirs().
# We could do File::Spec->abs2rel() but that does getcwd()s,
# which is a bit heavyweight to do here.
if ($Perl =~ /^perl\Q$exe\E$/i) {
my $perl = "perl$exe";
if (! eval 'require File::Spec; 1') {
warn "test.pl had problems loading File::Spec: $@";
$Perl = "./$perl";
} else {
$Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
}
}
# Build up the name of the executable file from the name of
# the command.
if ($Perl !~ /\Q$exe\E$/i) {
$Perl .= $exe;
}
warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
# For subcommands to use.
$ENV{PERLEXE} = $Perl;
}
return $Perl;
}
sub unlink_all {
foreach my $file (@_) {
1 while unlink $file;
_print_stderr "# Couldn't unlink '$file': $!\n" if -f $file;
}
}
my %tmpfiles;
END { unlink_all keys %tmpfiles }
# A regexp that matches the tempfile names
$::tempfile_regexp = 'tmp\d+[A-Z][A-Z]?';
# Avoid ++, avoid ranges, avoid split //
my @letters = qw(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z);
sub tempfile {
my $count = 0;
do {
my $temp = $count;
my $try = "tmp$$";
do {
$try .= $letters[$temp % 26];
$temp = int ($temp / 26);
} while $temp;
# Need to note all the file names we allocated, as a second request may
# come before the first is created.
if (!-e $try && !$tmpfiles{$try}) {
# We have a winner
$tmpfiles{$try}++;
return $try;
}
$count = $count + 1;
} while $count < 26 * 26;
die "Can't find temporary file name starting 'tmp$$'";
}
# This is the temporary file for _fresh_perl
my $tmpfile = tempfile();
#
# _fresh_perl
#
# The $resolve must be a subref that tests the first argument
# for success, or returns the definition of success (e.g. the
# expected scalar) if given no arguments.
#
sub _fresh_perl {
my($prog, $resolve, $runperl_args, $name) = @_;
$runperl_args ||= {};
$runperl_args->{progfile} = $tmpfile;
$runperl_args->{stderr} = 1;
open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
# VMS adjustments
if( $^O eq 'VMS' ) {
$prog =~ s#/dev/null#NL:#;
# VMS file locking
$prog =~ s{if \(-e _ and -f _ and -r _\)}
{if (-e _ and -f _)}
}
print TEST $prog;
close TEST or die "Cannot close $tmpfile: $!";
my $results = runperl(%$runperl_args);
my $status = $?;
# Clean up the results into something a bit more predictable.
$results =~ s/\n+$//;
$results =~ s/at\s+$::tempfile_regexp\s+line/at - line/g;
$results =~ s/of\s+$::tempfile_regexp\s+aborted/of - aborted/g;
# bison says 'parse error' instead of 'syntax error',
# various yaccs may or may not capitalize 'syntax'.
$results =~ s/^(syntax|parse) error/syntax error/mig;
if ($^O eq 'VMS') {
# some tests will trigger VMS messages that won't be expected
$results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
# pipes double these sometimes
$results =~ s/\n\n/\n/g;
}
my $pass = $resolve->($results);
unless ($pass) {
_diag "# PROG: \n$prog\n";
_diag "# EXPECTED:\n", $resolve->(), "\n";
_diag "# GOT:\n$results\n";
_diag "# STATUS: $status\n";
}
# Use the first line of the program as a name if none was given
unless( $name ) {
($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
$name .= '...' if length $first_line > length $name;
}
_ok($pass, _where(), "fresh_perl - $name");
}
#
# fresh_perl_is
#
# Combination of run_perl() and is().
#
sub fresh_perl_is {
my($prog, $expected, $runperl_args, $name) = @_;
local $Level = 2;
_fresh_perl($prog,
sub { @_ ? $_[0] eq $expected : $expected },
$runperl_args, $name);
}
#
# fresh_perl_like
#
# Combination of run_perl() and like().
#
sub fresh_perl_like {
my($prog, $expected, $runperl_args, $name) = @_;
local $Level = 2;
_fresh_perl($prog,
sub { @_ ?
$_[0] =~ (ref $expected ? $expected : /$expected/) :
$expected },
$runperl_args, $name);
}
sub can_ok ($@) {
my($proto, @methods) = @_;
my $class = ref $proto || $proto;
unless( @methods ) {
return _ok( 0, _where(), "$class->can(...)" );
}
my @nok = ();
foreach my $method (@methods) {
local($!, $@); # don't interfere with caller's $@
# eval sometimes resets $!
eval { $proto->can($method) } || push @nok, $method;
}
my $name;
$name = @methods == 1 ? "$class->can('$methods[0]')"
: "$class->can(...)";
_ok( !@nok, _where(), $name );
}
sub isa_ok ($$;$) {
my($object, $class, $obj_name) = @_;
my $diag;
$obj_name = 'The object' unless defined $obj_name;
my $name = "$obj_name isa $class";
if( !defined $object ) {
$diag = "$obj_name isn't defined";
}
elsif( !ref $object ) {
$diag = "$obj_name isn't a reference";
}
else {
# We can't use UNIVERSAL::isa because we want to honor isa() overrides
local($@, $!); # eval sometimes resets $!
my $rslt = eval { $object->isa($class) };
if( $@ ) {
if( $@ =~ /^Can't call method "isa" on unblessed reference/ ) {
if( !UNIVERSAL::isa($object, $class) ) {
my $ref = ref $object;
$diag = "$obj_name isn't a '$class' it's a '$ref'";
}
} else {
die <<WHOA;
WHOA! I tried to call ->isa on your object and got some weird error.
This should never happen. Please contact the author immediately.
Here's the error.
$@
WHOA
}
}
elsif( !$rslt ) {
my $ref = ref $object;
$diag = "$obj_name isn't a '$class' it's a '$ref'";
}
}
_ok( !$diag, _where(), $name );
}
# Set a watchdog to timeout the entire test file
# NOTE: If the test file uses 'threads', then call the watchdog() function
# _AFTER_ the 'threads' module is loaded.
sub watchdog ($)
{
my $timeout = shift;
my $timeout_msg = 'Test process timed out - terminating';
my $pid_to_kill = $$; # PID for this process
# Don't use a watchdog process if 'threads' is loaded -
# use a watchdog thread instead
if (! $threads::threads) {
# On Windows and VMS, try launching a watchdog process
# using system(1, ...) (see perlport.pod)
if (($^O eq 'MSWin32') || ($^O eq 'VMS')) {
# On Windows, try to get the 'real' PID
if ($^O eq 'MSWin32') {
eval { require Win32; };
if (defined(&Win32::GetCurrentProcessId)) {
$pid_to_kill = Win32::GetCurrentProcessId();
}
}
# If we still have a fake PID, we can't use this method at all
return if ($pid_to_kill <= 0);
# Launch watchdog process
my $watchdog;
eval {
local $SIG{'__WARN__'} = sub {
_diag("Watchdog warning: $_[0]");
};
my $sig = $^O eq 'VMS' ? 'TERM' : 'KILL';
$watchdog = system(1, which_perl(), '-e',
"sleep($timeout);" .
"warn('# $timeout_msg\n');" .
"kill($sig, $pid_to_kill);");
};
if ($@ || ($watchdog <= 0)) {
_diag('Failed to start watchdog');
_diag($@) if $@;
undef($watchdog);
return;
}
# Add END block to parent to terminate and
# clean up watchdog process
eval "END { local \$! = 0; local \$? = 0;
wait() if kill('KILL', $watchdog); };";
return;
}
# Try using fork() to generate a watchdog process
my $watchdog;
eval { $watchdog = fork() };
if (defined($watchdog)) {
if ($watchdog) { # Parent process
# Add END block to parent to terminate and
# clean up watchdog process
eval "END { local \$! = 0; local \$? = 0;
wait() if kill('KILL', $watchdog); };";
return;
}
### Watchdog process code
# Load POSIX if available
eval { require POSIX; };
# Execute the timeout
sleep($timeout - 2) if ($timeout > 2); # Workaround for perlbug #49073
sleep(2);
# Kill test process if still running
if (kill(0, $pid_to_kill)) {
_diag($timeout_msg);
kill('KILL', $pid_to_kill);
}
# Don't execute END block (added at beginning of this file)
$NO_ENDING = 1;
# Terminate ourself (i.e., the watchdog)
POSIX::_exit(1) if (defined(&POSIX::_exit));
exit(1);
}
# fork() failed - fall through and try using a thread
}
# Use a watchdog thread because either 'threads' is loaded,
# or fork() failed
if (eval 'require threads; 1') {
threads->create(sub {
# Load POSIX if available
eval { require POSIX; };
# Execute the timeout
my $time_left = $timeout;
do {
$time_left -= sleep($time_left);
} while ($time_left > 0);
# Kill the parent (and ourself)
select(STDERR); $| = 1;
_diag($timeout_msg);
POSIX::_exit(1) if (defined(&POSIX::_exit));
my $sig = $^O eq 'VMS' ? 'TERM' : 'KILL';
kill($sig, $pid_to_kill);
})->detach();
return;
}
# If everything above fails, then just use an alarm timeout
if (eval { alarm($timeout); 1; }) {
# Load POSIX if available
eval { require POSIX; };
# Alarm handler will do the actual 'killing'
$SIG{'ALRM'} = sub {
select(STDERR); $| = 1;
_diag($timeout_msg);
POSIX::_exit(1) if (defined(&POSIX::_exit));
my $sig = $^O eq 'VMS' ? 'TERM' : 'KILL';
kill($sig, $pid_to_kill);
};
}
}
1;