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MyASPN >> Mail Archive >> php-gtk-dev
php-gtk-dev
[PHP-GTK-DEV] #37298 [Opn]: segfault on php shutdown after drag and drop
by anant other posts by this author
May 8 2006 10:30AM messages near this date
[PHP-GTK-DEV] #37296 [Opn]: segfault when doing drag and drop | [PHP-GTK-DEV] New bugs and alpha
ID:               37298
 Updated by:       anant@[...].net
 Reported By:      cweiske@[...].net
 Status:           Open
 Bug Type:         PHP-GTK related
 Operating System: Gentoo/Linux
 PHP Version:      5.1.3
 New Comment:

I don't get a segfault when I the script but recieve this instead. I
have debug enabled, otherwise I don't think the message would even
appear.

---------------------------------------
/var/tmp/portage/php-5.1.2-r1/work/php-5.1.2/Zend/zend_variables.h(35)
: Block 0x08BE40AC status:
/var/tmp/portage/php-5.1.2-r1/work/php-5.1.2/Zend/zend_variables.c(36)
: Actual location (location was relayed)
Beginning:      Overrun (magic=0x554C4941, expected=0x7312F8DC)
End:      Unknown
---------------------------------------
drag-drop
string(8) "text/xml"
[Mon May  8 20:07:47 2006]  Script:  'bug_dnd_segfault_end.phpw'
---------------------------------------
/var/tmp/portage/php-5.1.2-r1/work/php-5.1.2/Zend/zend_variables.h(35)
: Block 0x08BC906C status:
/var/tmp/portage/php-5.1.2-r1/work/php-5.1.2/Zend/zend_variables.c(36)
: Actual location (location was relayed)
Beginning:      Overrun (magic=0x00000021, expected=0x7312F8DC)
       End:      Unknown
---------------------------------------


Previous Comments:
------------------------------------------------------------------------

[2006-05-03 18:32:51] cweiske@[...].net

Description:
------------
Bug in drag'n'drop:
Drag from "from" button to "to" button and close the window.
You will get a segfault.


Reproduce code:
---------------
<?php
$wnd = new GtkWindow();
$wnd-> connect_simple('destroy', array('Gtk', 'main_quit'));
$hbox = new GtkHBox();
$wnd-> add($hbox);

$btnFrom = new GtkButton('From');
$btnTo   = new GtkButton('To');

$hbox-> pack_start($btnFrom);
$hbox-> pack_start($btnTo);

$btnFrom-> drag_source_set(
    Gdk::BUTTON1_MASK,
    //change to text/plain, and it works
    array(array('text/xml', 0, 1)),
    Gdk::ACTION_COPY | Gdk::ACTION_MOVE
);


$btnTo-> drag_dest_set(
    Gtk::DEST_DEFAULT_ALL,
    //change to text/plain, and it works
    array(array('text/xml', 0, 1)),
    Gdk::ACTION_COPY | Gdk::ACTION_MOVE
);

$btnTo-> connect('drag-drop', 'onDragDrop');

function onDragDrop($widget, $context, $x, $y, $time) {
    global $strMimeType, $strTypeNumber;

    echo "drag-drop\r\n";
    var_dump(
        $widget-> drag_dest_find_target(
            $context, array(array('text/xml', 0, 1))
        )
    );
}

$wnd-> show_all();
Gtk::main();
?> 

Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 20597)]
0x0831d37f in shutdown_memory_manager (silent=0, full_shutdown=0)
    at /data/cvs/php/php-5.1.2/Zend/zend_alloc.c:511
511                                     REMOVE_POINTER_FROM_LIST(ptr);
(gdb) bt
#0  0x0831d37f in shutdown_memory_manager (silent=0, full_shutdown=0)
    at /data/cvs/php/php-5.1.2/Zend/zend_alloc.c:511
#1  0x082f850d in php_request_shutdown (dummy=0x0)
    at /data/cvs/php/php-5.1.2/main/main.c:1303
#2  0x0839f120 in main (argc=2, argv=0xbfb79c64)
    at /data/cvs/php/php-5.1.2/sapi/cli/php_cli.c:1230



------------------------------------------------------------------------


-- 
Edit this bug report at http://bugs.php.net/?id=37298&edit=1

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