exec() will not return control to PHP to "listen" to SIGs until it is
done.
get testing2.php to background itself or tack " &" on to the end of
the exec command or...
On Wed, May 23, 2007 6:59 am, lists@xxxxxxxxxxx wrote:
> Hi,
>
> I have this script testing.php that I run on a Linux machine thru the
> command line. In the end of the file you see two cases. One where it
> is just having a while(true) loop doing nothing, and the other calling
> an other script that is doing nothing but doesn't exit. When I send
> SIGTERM for the first case it does what it is supposed to do, but when
> sending SIGTERM to the other case it doesn't work.
>
> Might it be so that the signals cannot be handled if the script is
> busy creating its own process or similar? Because when executing it
> with case two doesn't leave the exec() part until the other script
> exits, and it will never exits.
>
> I try to send the signal with:
> # kill -s SIGTERM 24574
>
> The "ps -ef | grep testing.php | grep -v grep" looks like this as
> example:
> 500 24574 1 0 13:50 ? 00:00:00 /usr/bin/php
> ./testing.php
>
> Best regards,
> Peter Lauri
>
> Code:
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> #!/usr/bin/php
> <?php
>
> declare(ticks = 1);
>
> $pid = pcntl_fork();
> if ($pid == -1) {
> die("could not fork");
> } else if ($pid) {
> exit(); // we are the parent
> } else {
> // we are the child
> }
>
> // detatch from the controlling terminal
> if (!posix_setsid()) {
> die("could not detach from terminal");
> }
>
> function sig_handle($signo) {
> switch($signo) {
> case SIGTERM:
> echo "I got the SIGTERM signal:".$signo."\n";
> break;
> case SIGCHLD:
> echo "I got the SIGCHLD signal:".$signo."\n";
> break;
> case SIGINT:
> echo "I got the SIGINT signal:".$signo."\n";
> break;
> }
> }
>
> pcntl_signal(SIGTERM, "sig_handle");
> pcntl_signal(SIGCHLD, "sig_handle");
> pcntl_signal(SIGINT, "sig_handle");
>
> //Case 1 with just a while loop is working
> //while(true) {
> //
> //}
>
> //Case 2 when executing the script testing2.php that also do a
> //infinite while loop does not work
> //exec("./testing2.php");
>
> ?>
>
> --
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>
--
Some people have a "gift" link here.
Know what I want?
I want you to buy a CD from some indie artist.
http://cdbaby.com/browse/from/lynch
Yeah, I get a buck. So?
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
