Re: Overloading methods : segfaults

From: Date: Mon, 27 Sep 2004 14:15:26 +0000
Subject: Re: Overloading methods : segfaults
References: 1  Groups: php.pecl.dev 
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Take a look at the com_handlers.c file in the com_dotnet extension to see how to handle this kind of thing. --Wez. On Tue, 28 Sep 2004 01:04:55 +1100, Andrey Demenev <demenev@on-line.jar.ru> wrote: > Hello > > Not sure if this is appropriate list. Maybe internals? > > I am writing a PHP extension implementing an embedded Ruby interpreter > (http://www.ruby-lang.org/). It requires method and property overloading. > Overloading was successfully implemented in ZE1 version of extension. When > porting the extension to ZE2, I have faced with segfaults when calling > overloaded methods (no problem with property overloading). I suspected that > the problem may be caused by external libraries, and wrote a minimalistic > test extension (see attachment). It simply prints out name of called method, > but the problem is the same. > > Backtrace : > > -----------------------8<--------------------------------------- > [andrey@andrey php5-STABLE-200409271030]# gdb sapi/cli/php > GNU gdb 6.0-2mdk (Mandrake Linux) > Copyright 2003 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "i586-mandrake-linux-gnu"...Using host libthread_db > library "/lib/tls/libthread_db.so.1". > > (gdb) r > Starting program: /home/andrey/Documents/php5-STABLE-200409271030/sapi/cli/php > > <?php > $o=new Test; > $o->someMethod(); > ?> > > someMethod called > > Program received signal SIGSEGV, Segmentation fault. > 0x080dfbd5 in shutdown_memory_manager (silent=0, full_shutdown=0) > at /home/andrey/Documents/php5-STABLE-200409271030/Zend/zend_alloc.c:485 > 485 for (j=0; j<AG(cache_count)[i]; j++) { > (gdb) bt > #0 0x080dfbd5 in shutdown_memory_manager (silent=0, full_shutdown=0) > at /home/andrey/Documents/php5-STABLE-200409271030/Zend/zend_alloc.c:485 > #1 0x080c04c6 in php_request_shutdown (dummy=0x0) > at /home/andrey/Documents/php5-STABLE-200409271030/main/main.c:1223 > #2 0x0811f16f in main (argc=1, argv=0xbffff624) > at /home/andrey/Documents/php5-STABLE-200409271030/sapi/cli/php_cli.c:1046 > (gdb) > ----------------------------->8------------------------------------------------- > > Mandrake Linux 10 Official, PHP 5 stable built on Sep 27, 2004 10:30 GMT > gcc version 3.3.2 (Mandrake Linux 10.0 3.3.2-6mdk) > > Could someone familiar with ZE2 internals please take a look at the source? Am > I missing something? Should I post this to internals list? File a bug report? > > -- > Andrey Demenev aka blindman > > > -- > PECL development discussion Mailing List (http://pecl.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > > >

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