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Bug #56355 Apache2 with worker APC RELEASE_2_0_4
Submitted: 2005-03-21 10:00 UTC Modified: 2005-08-16 07:26 UTC
From: ihanic at yahoo dot com Assigned:
Status: Closed Package: APC (PECL)
PHP Version: 4.3.10 OS: Gentoo Base System version 1.4.1
Private report: No CVE-ID: None
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From: ihanic at yahoo dot com
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 [2005-03-21 10:00 UTC] ihanic at yahoo dot com 
Description:
------------
All works fine in prefork apache mode, BUT

cat error_log
apache2: /home/ihanic/cvs/apc/pecl/apc/apc_stack.c:50: apc_stack_clear: Assertion `stack != ((void *)0)' failed

apache2 -V       
Server version: Apache/2.0.53
Server built:   Mar 21 2005 15:52:20
Server's Module Magic Number: 20020903:9
Architecture:   32-bit
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/worker"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_SYSVSEM_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D HTTPD_ROOT="/usr"
 -D SUEXEC_BIN="/usr/bin/suexec"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="/etc/apache2/conf/mime.types"
 -D SERVER_CONFIG_FILE="/etc/apache2/conf/apache2.conf"

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 [2005-03-21 10:23 UTC] rasmus@php.net 
I have no plans to make this work under a threaded MPM.  If someone else feels like doing so, great.
 [2005-04-08 13:12 UTC] xuefer at 21cn dot com 
i did some changes long ago.
there's so much TSRM relatived to fix, so i wonder how you compiled it.

i mixed my modification by my other changes, which can't be accepted.

i'd like to see apc for php5 rather than TSRM support :)

this is part of the modify, just for example.

Index: php_apc.c
===================================================================
RCS file: /repository/pecl/apc/php_apc.c,v
retrieving revision 3.41
diff -u -r3.41 php_apc.c
--- php_apc.c   14 Nov 2004 18:07:25 -0000  3.41
+++ php_apc.c   8 Apr 2005 17:02:42 -0000
@@ -56,16 +56,18 @@
 
 /* {{{ ZEND_DECLARE_MODULE_GLOBALS(apc) */
 
-PHPAPI ZEND_DECLARE_MODULE_GLOBALS(apc)
+ZEND_DECLARE_MODULE_GLOBALS(apc)
+apc_cache_t* apc_cache;     /* the global compiler cache */
+apc_cache_t* apc_user_cache;  /* the global user content cache */
 
 static void php_apc_init_globals(zend_apc_globals* apc_globals TSRMLS_DC)
 {
     apc_globals->filters = NULL;
     apc_globals->initialized = 0;
-    apc_globals->cache = NULL;
-    apc_globals->cache_stack = NULL;
     apc_globals->compiled_filters = NULL;
     apc_globals->cache_by_default = 1;
+    apc_globals->cache_stack = apc_stack_create(0);
+    apc_globals->user_cache_stack = apc_stack_create(0);
     apc_globals->slam_defense = 0;
 }
 
@@ -81,6 +83,8 @@
         apc_efree(apc_globals->filters);
     }
 
+   apc_stack_destroy(apc_globals->cache_stack);
+   apc_stack_destroy(apc_globals->user_cache_stack);
     /* the rest of the globals are cleaned up in apc_module_shutdown() */
 }
 #endif
@@ -92,6 +96,7 @@
 [2005-04-08 13:34 UTC] rasmus@php.net 
Do you have a full patch with just your TSRM fixes?  I can have a look.
 [2005-08-15 10:12 UTC] edink at emini dot dk 
The latest CVS version should be better worker mpm citizen. Could you check to see if it helps?
 [2005-08-16 07:26 UTC] ihanic at yahoo dot com 
worked: APC-3.0.7-dev (20050816)
php-5.0.4/4.4 apache-2.0.54
Thanks. it's realy helpful
 
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