Waiting
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After setting some code to run using call() it will be necessary at some point to wait for that code to finish.
To do this must call the wait() method:
$fork->call("doStuffThatTakesALongTime", "5897");
$fork->call("doStuffThatTakesALongTime", "1048");
$fork->wait();
echo "We've done 5897 and 1048 now\n";
$fork->call("doStuffThatTakesALongTime", "8077");
$fork->call("doStuffThatTakesALongTime", "2222");
$fork->wait();
echo "We've done 8077 and 2222 now\n";
After calling wait() the fork instance is useless, if you want to handle code in batches, you’ll need separate instances:
$fork = new Fork;
$fork->call("doStuffThatTakesALongTime", "5897");
$fork->call("doStuffThatTakesALongTime", "1048");
$fork->wait();
echo "We've done 5897 and 1048 now\n";
$fork = new Fork;
$fork->call("doStuffThatTakesALongTime", "8077");
$fork->call("doStuffThatTakesALongTime", "2222");
$fork->wait();
echo "We've done 8077 and 2222 now\n";
You can wait for a specific thread using it’s PID:
$important = $fork->call("doImportantStuff");
$boring = $fork->call("doBoringStuff");
$fork->wait($important);
echo "Important stuff is done, boring stuff may still be going on\n";
$fork->wait($boring);
echo "Boring stuff is done\n";