Re: shutdown_memory_manager and resource handling

Can't you get a line number and the actual address being accessed to cause that crash? On Mon, 11 Aug 2003, Justin Hannus wrote: > I'm writing an ext for Apples OpenDirectory (directory services) API and it > makes heavy use of registering resources in the zend internal list. I'm also > new to the Zend API. > > > As of now I have about 4 resource types so far. In Short, my resource life > span goes like: > 1. zend_register_list_destructors_ex(... for each resource in > ZEND_MINIT_FUNCTION() > 2. register a resource and return it, RETURN_RESOURCE(zend_list_insert(rsrc, > le_rsrc)); > 3. upon user destruction function, zend_list_delete(Z_LVAL_P(z_rsrc)); > 4. resource destructor is called when deleted from the internal list, frees > all assoc memory allocated/closes any connections then uses efree to free up > memory alloced to the resource with emalloc. > > My problem is, all my resources get deleted from the list and my destructors > are called an exit properly but at the end of my php script, while testing, > I get a bus error on the very last line. The backtrace boils down to > shutdown_memory_manager. My thoughts are that I must have something wrong in > the destruction of resources, does anyone know what would cause the bus > error in shutdown_memory_manager? A backtrace is below, I can also provide > more detailed code snippets. > > $ php -v > PHP 4.3.0 (cli) (built: Dec 27 2002 20:26:15) > Copyright (c) 1997-2002 The PHP Group > Zend Engine v1.3.0, Copyright (c) 1998-2002 Zend Technologies > $ tail ~/Library/Logs/CrashReporter/php.crash.log > ********** > > Date/Time: 2003-08-11 09:25:46 -0400 > OS Version: 10.2.5 (Build 6L29) > Host: 128kb.com > > Command: php > PID: 12508 > > Exception: EXC_BAD_ACCESS (0x0001) > Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x00000000 > > Thread 0 Crashed: > #0 0x0018aeb0 in shutdown_memory_manager > #1 0x0015e354 in php_request_shutdown > #2 0x001c25c0 in main > #3 0x00001d24 in _start > #4 0x00001b54 in start > > PPC Thread State: > srr0: 0x0018aeb0 srr1: 0x0200f030 vrsave: 0x00000000 > xer: 0x00000000 lr: 0x0018aee0 ctr: 0x90003da0 mq: 0x00000000 > r0: 0x008a931b r1: 0xbfffdf50 r2: 0x00000000 r3: 0x005bf010 > r4: 0x008b43a0 r5: 0x0000000c r6: 0x002c6100 r7: 0x00000000 > r8: 0x005bf010 r9: 0x00000000 r10: 0x00000002 r11: 0x008b43a0 > r12: 0x90003da0 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000 > r16: 0x00000000 r17: 0x00000000 r18: 0x00000000 r19: 0x00000000 > r20: 0x00000000 r21: 0x00000000 r22: 0x00000000 r23: 0x00000000 > r24: 0x00000000 r25: 0x00000000 r26: 0xbffff968 r27: 0x00000010 > r28: 0x00000003 r29: 0xbffff97c r30: 0xbfffdf50 r31: 0x0018ade8 > > > -- > Justin Hannus > > > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php >