[ale] Perl threads

Christopher Fowler cfowler at outpostsentinel.com
Tue Apr 26 19:10:12 EDT 2005


I looked at perthrtut and there seems to be a lock() function but no
unlock.  I want to lock a variable in the main program as well as a
thread.

Like this:

sub _print {
  lock($lock_var)
  opeN(LOG, ....
  .....
  return;
}

...

_print "outside thread";

async {
  _print "In thread";
};

_print "outside thread";

On Tue, 2005-04-26 at 18:06, Christopher Fowler wrote:
> I'm writing a program to use threads in Perl.  I have replaced print
> with _print that will place a time stamp before each entry in the log
> file.  I want to make sure that two _print executions do not step on
> each others toes.  Is there a way to create a variable and lock it like
> I would in Posix threads?  I could then lock on entry of _print and then
> unlock on exit.
> 
> Chris
> 
> 
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