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Reproduce code:
---------------
$this->_address = 'irc.homelien.no';
$this->_port = '6667';
$this->_socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
$result = @socket_connect($this->_socket, $this->_address, $this->_port);

        while ($this->_state() == SMARTIRC_STATE_CONNECTED) {
            $this->_checkbuffer();
            
            $timeout = $this->_selecttimeout();
            if ($this->_usesockets == true) {
                $sread = array($this->_socket);
                $result = @socket_select($sread, $w = null, $e = null, 0, $timeout*1000);
                
                if ($result == 1) {
                    // the socket got data to read
                    $rawdata = @socket_read($this->_socket, 10240);
                } else if ($result === false) {
                    // panic! panic! something went wrong!
                    $this->log(SMARTIRC_DEBUG_NOTICE, 'WARNING: socket_select() returned false, something went wrong! Reason: '.socket_strerror(socket_last_error()), __FILE__, __LINE__);
                    exit;
                } else {
                    // no data
                    $rawdata = null;
                }
//this code is taken from the Net_SmartIRC class from pear

Expected result:
----------------
Jul 13 03:47:04 SmartIRC.php(1636) WARNING: socket_select() returned false, something went wrong! Reason: Invalid argument


and the author of Net_SmartIRC has tested this on my machine and he says that i should bugreport this here because socket_select doesnt work on freebsd 4.8 dont know if it is version specific.

Please try using this CVS snapshot:

  http://snaps.php.net/php4-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-STABLE-latest.zip

doesnt work with PHP4.3.3RC2-dev either the latest stable from today php4-STABLE-200307130130

Works fine with latest CVS of PHP and SmartIRC.
(under Linux, so it's propably yet another FreeBSD-only bug)

ok thats to bad :( il just have to wait until its fixed

I tried using fsockopen and stream_select() on the freebsd box, and it returned false, so also some error happened. Is there a way of giving out the error msg of the failed stream_select()?

I just straced the script with stream_select() and it's also getting the "Invalid argument" error msg.

select(4, [3], [], [], {0, 300000000})  = -1 EINVAL (Invalid argument)

I found the problem with the select() under freebsd, the select() checks the timeout values (sec and usec). When they exceed the max value which is on freebsd for usec 999,999, after this number it must be 1 sec and not 1,000,000 usecs. This is whats happening here, the script wants 300,000,000 usecs, which are 300 seconds. Linux doesn't care about this and accepts this number (and works fine with it).

I wrote the patch and tested it on the freebsd 4.8 box, strace now shows (as expected):
select(4, [3], [], [], {300, 0}

Here the patch which fixes this bug:
--- sockets.c.orig      Tue Jul 15 08:08:02 2003
+++ sockets.c   Sun Jul 20 23:01:21 2003
@@ -591,8 +591,15 @@
                        convert_to_long(&tmp);
                        sec = &tmp;
                }
-               tv.tv_sec = Z_LVAL_P(sec);
-               tv.tv_usec = usec;
+
+               if (usec > 999999) {
+                       tv.tv_sec = Z_LVAL_P(sec)+(usec/1000000);
+                       tv.tv_usec = usec%1000000;
+               } else {
+                       tv.tv_sec = Z_LVAL_P(sec);
+                       tv.tv_usec = usec;
+               }
+
                tv_p = &tv;

                if (sec == &tmp) {

here the same patch for the stream_select()

--- file.c.orig Sun Jul 20 23:25:34 2003
+++ file.c      Sun Jul 20 23:24:55 2003
@@ -803,8 +803,15 @@
        /* If seconds is not set to null, build the timeval, else we wait indefinitely */
        if (sec != NULL) {
                convert_to_long_ex(&sec);
-               tv.tv_sec = Z_LVAL_P(sec);
-               tv.tv_usec = usec;
+
+               if (usec > 999999) {
+                       tv.tv_sec = Z_LVAL_P(sec)+(usec/1000000);
+                       tv.tv_usec = usec%1000000;
+               } else {
+                       tv.tv_sec = Z_LVAL_P(sec);
+                       tv.tv_usec = usec;
+               }
+
                tv_p = &tv;
        }

I will take a look at this patch tonight

-Jason

This bug has been fixed in CVS.

In case this was a PHP problem, snapshots of the sources are packaged
every three hours; this change will be in the next snapshot. You can
grab the snapshot at http://snaps.php.net/.
 
In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites in short time.
 
Thank you for the report, and for helping us make PHP better.

Verified, apparently there are severl OSs that have this problem

note: you misspelled my email address in the CVS commit :(

It says: "Patch submitted from meebery@php.net"
but it should be:
"Patch submitted from meebey@php.net"
without the "r"

also the same problem occurs with stream_select()
it also uses the select() call with sec and usec, see:
http://cvs.php.net/co.php/php-src/ext/standard/file.c?r=1.279.2.30

This bug has been fixed in CVS.

In case this was a PHP problem, snapshots of the sources are packaged
every three hours; this change will be in the next snapshot. You can
grab the snapshot at http://snaps.php.net/.
 
In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites in short time.
 
Thank you for the report, and for helping us make PHP better.

Sorry about the type-o, i will make sure its correct in the relase notes. As to the other file, that functionality was moved awhile back to streamfuncs.c which I included in the commit.

-Jason