how to simulate on_script_close on php(ubuntu), like the .net on_form_close behaviour?

Question

i have a simple php worker script which is running in the background.

i use a monitor script to make sure that this worker script is indeed running.

the monitor script is running on crontab.

i would like restart the worker process every now and then, using linux kill.

however this create a problem, which is that the worker script might lose the data which is currently handling, if stopped abruptly.

in .net for example, with winforms, u can simply implement on_form_close, how do i accomplish the same with php (linux,ubuntu)?

thanks

`php worker script which is running in the background.` What are using cron , pcntl_fork , popen or Stackable Workers ? — Baba, May 23 '13 at 17:32
It happens once in a while .... Try and also develop your worker in such a way you can resume state — Baba, May 23 '13 at 17:47
hi again, im not sure it will be called, when kill is called, mainly due to http://stackoverflow.com/questions/3909798/register-php-shutdown-function-to-fire-when-a-script-is-killed-from-the-command — yaron, May 23 '13 at 17:48

score 1 · Accepted Answer · answered May 23 '13 at 17:33

1

PHP's register_shutdown_function allows you to register functions to run just before the script terminates:

register_shutdown_function(function () {
   // ...
});

Since you are using signals to kill the process, you should instead install a signal handler:

pcntl_signal(SIGQUIT, function () {
    // ...
});

answered May 23 '13 at 17:33

Arnaud Le Blanc

ahh, great , just to make sure (i will test it later) will register_shutdown_function , will be called on kill? – yaron May 23 '13 at 17:39
mmm, yeah, register shutdown, does not work, when kill is issued. – yaron May 24 '13 at 11:59
hence the second part of the answer :) – Arnaud Le Blanc May 24 '13 at 12:02
si senior! indeed its a valid solution, however i read about pcntl that it inefficiant, espically the tick part. i ended up implementing a msg system between the procs via php inner queing system. thanks fo r your help! – yaron May 24 '13 at 14:03

1 Answers1