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cmxflash
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Joined: 11 Dec 2004
Posts: 872
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 Posted: Wed Sep 14, 2005 3:52 pm Post subject: Need help with exec("x"); |
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| Okay, so I'm using exec("x"); in some of my scripts, the thing is that the page times out if X (the executed program) dosn't exit. Is there any way to limit the time that a program can be executed with PHP? I still want the program to keep running though... |
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MonkeyNation
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Joined: 05 Feb 2005
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Location: Cardiff
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| Posted: Wed Sep 14, 2005 4:07 pm Post subject: |
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ignore_user_abort() may help you.
The first example in the functions page in the PHP manual especially.
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cmxflash
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Joined: 11 Dec 2004
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| Posted: Thu Sep 15, 2005 9:08 am Post subject: |
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Well, I tried that command, and it didn't work. Any other ideas?
X didn't get executed.
Edit: I'm going to write this function in C instead of PHP. |
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aprelium
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Joined: 22 Mar 2002
Posts: 6800
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| Posted: Thu Sep 15, 2005 4:30 pm Post subject: Re: Need help with exec("x"); |
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| cmxflash wrote: | | Okay, so I'm using exec("x"); in some of my scripts, the thing is that the page times out if X (the executed program) dosn't exit. Is there any way to limit the time that a program can be executed with PHP? I still want the program to keep running though... |
You can write you own version of exec() with timeout by combining the following PHP commands:
popen()
stream_set_blocking()
stream_select()
fread()
The idea is to get a create a child process with popen() and get a stream handle to its input and output. Set the output stream to the non-blocking mode using stream_set_blocking() and then wait for data availability on this stream using stream_select(). stream_select() has a timeout value so you'll be notified when new data arrives or when the waiting delay is over.
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cmxflash
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Joined: 11 Dec 2004
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| Posted: Thu Sep 15, 2005 10:56 pm Post subject: |
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| Well, I've already written a C-program that starts the program i want, but thanks anyway. |
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