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pecl install openswoole-22.1.2 | composer require openswoole/core:22.1.5
<?php OpenSwoole\Atomic->wakeup ( int $count = 0 )
How many waiting processes to wakeup.
The Atomic can be used as a Lock for syncing between mutliple processes.
Wakeup other processes with wait status.
Atomic->wait and Atomic->wakeup can be used for synchronization between multiple processes. You should not use OpenSwoole\Atomic->wait within coroutine context.
<?php
$lock = new OpenSwoole\Atomic;
if (pcntl_fork() > 0) {
echo "master start\n";
$lock->wait(1.5);
echo "master end\n";
} else {
echo "child start\n";
sleep(1);
$lock->wakeup();
echo "child end\n";
}