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vendor/swoole/examples/process/async_master.php

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+<?php
+$workers = [];
+$worker_num = 10;
+
+//swoole_process::daemon(0, 1);
+
+function onReceive($pipe) {
+    global $workers;
+    $worker = $workers[$pipe];
+    $data = $worker->read();
+    echo "RECV: " . $data;
+}
+
+//循环创建进程
+for($i = 0; $i < $worker_num; $i++)
+{
+    $process = new swoole_process(function(swoole_process $process) {
+        $i = 1;
+        while($i++)
+        {
+            $process->write("Worker#{$process->id}: hello master\n");
+            if ($i > 5 and $process->id == 1) $process->exit();
+            sleep(1);
+        }
+    });
+    $process->id = $i;
+    $pid = $process->start();
+    $workers[$process->pipe] = $process;
+}
+
+swoole_process::signal(SIGCHLD, function(){
+    //表示子进程已关闭，回收它
+    $status = swoole_process::wait();
+    echo "Worker#{$status['pid']} exit\n";
+});
+
+//将子进程的管道加入EventLoop
+foreach($workers as $process)
+{
+    swoole_event_add($process->pipe, 'onReceive');
+}