本文实例讲述了PHP实现的多进程控制。分享给大家供大家参考,具体如下:
自己写了个多进程控制的框架代码,留着备查
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
declare (ticks=1);
function sigHandler( $signal )
{
echo "a child exited\n" ;
}
pcntl_signal(SIGCHLD, sigHandler, false);
echo "this is " . posix_getpid() . PHP_EOL;
for ( $i =0; $i <3; $i ++)
{
$pid = pcntl_fork();
if ( $pid == -1)
{
echo 'fork failed ' . PHP_EOL;
}
else if ( $pid )
{
}
else
{
$pid = posix_getpid();
echo 'child ' . $pid . ' ' . time() . PHP_EOL;
sleep(rand(2,5));
echo 'child ' . $pid . ' done ' . time() . PHP_EOL;
exit (0);
}
}
do
{
$pid = pcntl_wait( $status );
echo 'child quit ' . $pid . PHP_EOL;
} while ( $pid > 0);
echo 'parent done' . PHP_EOL;
|
希望本文所述对大家PHP程序设计有所帮助。
原文链接:https://blog.csdn.net/zhaozhi406/article/details/14379905