My guess at first look is that you fill the stdout buffer because you don't
read from it untill you stop piping data to stdin.
On 1/22/06, Mark Krenz <[EMAIL PROTECTED]> wrote:
>
>
> I asked this last night on the general mailing list and also have
> asked around about it. Nobody seems to know. I normally wouldn't ask a
> support quesiton on a developers mailing list, but nobody else seems to
> know so I thought that perhaps a developer knows.
>
> Why would I be running into this STDIN data size limit when using
> proc_open?
>
> I've tried setting the limits for apache to unlimited in
> /etc/security/limits.conf just to see if its a system limit.
>
> ----- Forwarded message from Mark Krenz <[EMAIL PROTECTED]> -----
>
> Date: Sun, 22 Jan 2006 00:25:33 +0000
> From: Mark Krenz <[EMAIL PROTECTED]>
> To: php-general@lists.php.net
> Subject: [PHP] proc_open and buffer limit?
>
>
> I'm using PHP 5.1.1 on Apache 2.0.54 on Gentoo Linux. I've been trying
> to write a program to pass information to a program using proc_open,
> however when I do, it only passes the first 65536 bytes of the stream
> and then cuts off the rest. To make sure its not the program I'm trying
> to send to, I tries using /bin/cat instead and get the same problem.
>
> Below, I've included the code that I'm using, which for the most part is
> from the proc_open documentation page. For testing, I'm reading from a
> word dictionary which is over 2MB in size. Is there something I'm
> missing about using proc_open?
>
> -------------------------------------------------------------------------
> $program = "/bin/cat";
>
> $descriptorspec = array(
> 0 => array("pipe", "r"),
> 1 => array("pipe", "w"),
> 2 => array("file", "/tmp/error-output.txt", "a")
> );
>
> $cwd = '/var/www';
> $env = array('HOME' => '/var/www');
>
> $process = proc_open($program, $descriptorspec, $pipes, $cwd, $env);
>
> if (is_resource($process)) {
>
> stream_set_blocking($pipes[0], FALSE);
> stream_set_blocking($pipes[1], FALSE);
>
> $handle = fopen("/usr/share/dict/words", "r");
> while (!feof($handle)) {
> $input .= fread($handle, 8192);
> }
>
> fwrite($pipes[0], $input);
> fclose($handle);
> fclose($pipes[0]);
>
> while (!feof($pipes[1])) {
> $output .= fgets($pipes[1], 8192);
> }
> fclose($pipes[1]);
>
> print "<PRE>$output</PRE><BR><BR>\n";
>
> $return_value = proc_close($process);
>
> echo "command returned $return_value\n";
> }
> -------------------------------------------------------------------------
>
>
>
> --
> Mark S. Krenz
> IT Director
> Suso Technology Services, Inc.
> http://suso.org/
>
> --
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>
> ----- End forwarded message -----
>
>
> --
> Mark S. Krenz
> IT Director
> Suso Technology Services, Inc.
> http://suso.org/
>
> --
> PHP Internals - PHP Runtime Development Mailing List
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>
--
Nicolas Bérard Nault ([EMAIL PROTECTED])
Étudiant D.E.C. Sciences, Lettres & Arts
Cégep de Sherbrooke
Site web: http://www.lapsus-engineer.org
"La liberté est un bagne aussi longtemps qu'un seul homme est asservi sur la
terre." - Albert Camus, Les Justes.
