略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: GearmanWorker::wait

2024-12-20

GearmanWorker::wait

(PECL gearman >= 0.6.0)

GearmanWorker::waitWait for activity from one of the job servers

说明

public GearmanWorker::wait(): bool

Causes the worker to wait for activity from one of the Gearman job servers when operating in non-blocking I/O mode. On failure, issues a E_WARNING with the last Gearman error encountered.

参数

此函数没有参数。

返回值

成功时返回 true, 或者在失败时返回 false

范例

示例 #1 Running worker in non-blocking mode

<?php

echo "Starting\n";

# Create our worker object
$worker= new GearmanWorker();

# Make the worker non-blocking
$worker->addOptions(GEARMAN_WORKER_NON_BLOCKING); 

# Add the default server (localhost, port 4730)
$worker->addServer(); 

# Add our reverse function
$worker->addFunction('reverse''reverse_fn');

# Try to grab a job
while (@$worker->work() ||
       
$worker->returnCode() == GEARMAN_IO_WAIT ||
       
$worker->returnCode() == GEARMAN_NO_JOBS)
{
  if (
$worker->returnCode() == GEARMAN_SUCCESS)
    continue;

  echo 
"Waiting for next job...\n";
  if (!@
$worker->wait()) 
  { 
    if (
$worker->returnCode() == GEARMAN_NO_ACTIVE_FDS
    { 
      
# We are not connected to any servers, so wait a bit before 
      # trying to reconnect. 
      
sleep(5); 
      continue; 
    } 
    break; 
  } 


echo 
"Worker Error: " $worker->error() . "\n";

function 
reverse_fn($job)
{
  return 
strrev($job->workload());
}


?>

参见

add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/gearmanworker.wait.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3