ID:               16635
 Comment by:       [EMAIL PROTECTED]
 Reported By:      [EMAIL PROTECTED]
 Status:           Closed
 Bug Type:         Unknown/Other Function
 Operating System: x86/Linux
 PHP Version:      4.2.0
 Assigned To:      sterling
 New Comment:

I have the memory leaking problem with dio_read() as well. The PHP
versio I use is 4.2.2 with DirectIO extension in an embedded Linux box.


I have an X10 home automation software written with PHP and it runs as
a daemon. The serial port is configured to be non-blocking. I check if
there is any data available about 10 times a second (it's a busyloop
with usleep(100000) in it). The checking is done as follows:

$data=dio_read($fp,1);

After running the daemon for about 20 hours, I always get the following
error message:

Fatal error:  Allowed memory size of 2097152 bytes exhausted (tried to
allocate 2 bytes) in /mnt/data/plugins/X10/html/x10_wrapper.php on line
76

Line 76 is the one above with dio_read(). I would really need a fix for
this or I'm forced to write a nasty
kill-the-process-and-then-restart-it-again-just-to-make-it-stay-alive
piece of script to be ran by cron.
-Juha


Previous Comments:
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[2002-04-20 12:09:13] [EMAIL PROTECTED]

Cannot reproduce - this shouldn't happen.

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[2002-04-18 19:12:30] [EMAIL PROTECTED]

Assigned to Sterling who is the maintainer of this extension..


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[2002-04-16 11:11:28] [EMAIL PROTECTED]

I am using the RC4 of php4.2.0 with Apache/1.3.24 (Unix).
Every time dio_read() is called in a script, the htttpd process uses
more and more memory.

ex.:
$o = dio_read($fp,100000);

would let httpd grow by ca. x times of 100000.
unset($o) will not get the memory back. the httpd process would keep
its size until the script terminates.

Needing to call dio_read repeatidly makes it even worse. And using 1024
bytes blocks only slows the process of growing down.


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