On 19 November 2014 01:23:14 GMT-05:00, Daniel-Constantin Mierla <miconda@gmail.com> wrote:

For what kind of operation?

Reading or setting the value are safe, but updating it with its own
value used in an expression is not.

Safe:

xlog("value is $sht(x)\n");
$sht(x) = 1;

Race:

$sht(x) = $sht(x) + 1;

Cheers,
Daniel

On 19/11/14 00:27, Alex Balashov wrote:
 Does setting $shv()s in script require lock()ing, or is it inherently
 thread-safe?

 Thanks!