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Diff for /loncom/LONCAPA.pm between versions 1.9 and 1.10

version 1.9, 2006/06/27 14:49:29	version 1.10, 2006/06/27 15:21:28
Line 228 sub _do_hash_untie {	Line 228 sub _do_hash_untie {

{	{
my $sym;	my $sym;
	my @pushed_syms;
	sub push_locking_hash_tie {
	if (!defined($sym)) {
	die("Invalid used of push_locking_hash_tie, should only be called after a lock has occurred and before and unlock.");
	}
	push(@pushed_syms,$sym);
	undef($sym);
	}

	sub pop_locking_hash_tie {
	if (defined($sym)) {
	die("Invalid nested used of pop_locking_hash_tie, should only be called after a unlock has occurred.");
	}
	$sym = pop(@pushed_syms);
	}

sub _locking_hash_tie {	sub _locking_hash_tie {
my ($file_prefix,$namespace,$how,$loghead,$what) = @_;	my ($file_prefix,$namespace,$how,$loghead,$what) = @_;
if (defined($sym)) {	if (defined($sym)) {
die('Nested locking attempted, this is unsupportted');	die('Nested locking attempted withut proper use of push_locking_hahs_tie, this is unsupportted');
}	}

my $lock_type=LOCK_SH;	my $lock_type=LOCK_SH;

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Removed from v.1.9
changed lines
	Added in v.1.10