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From jor...@apache.org
Subject svn commit: r230474 - in /httpd/httpd/branches/2.0.x: CHANGES STATUS modules/experimental/util_ldap_cache.c
Date Fri, 05 Aug 2005 14:06:50 GMT
Author: jorton
Date: Fri Aug  5 07:06:46 2005
New Revision: 230474

URL: http://svn.apache.org/viewcvs?rev=230474&view=rev
Log:
Merge r225753 from trunk:

* modules/ldap/util_ldap_cache.c (util_ldap_cache_init): Use the
actual available size of the shm segment not the requested size.
Ensure the requested size is aligned.  Check errors from apr_rmm_init.

Reviewed by: jorton, minfrin, bnicholes

Modified:
    httpd/httpd/branches/2.0.x/CHANGES
    httpd/httpd/branches/2.0.x/STATUS
    httpd/httpd/branches/2.0.x/modules/experimental/util_ldap_cache.c

Modified: httpd/httpd/branches/2.0.x/CHANGES
URL: http://svn.apache.org/viewcvs/httpd/httpd/branches/2.0.x/CHANGES?rev=230474&r1=230473&r2=230474&view=diff
==============================================================================
--- httpd/httpd/branches/2.0.x/CHANGES [utf-8] (original)
+++ httpd/httpd/branches/2.0.x/CHANGES [utf-8] Fri Aug  5 07:06:46 2005
@@ -4,7 +4,7 @@
   *) mod_proxy: Fix over-eager handling of '%' for reverse proxies.
      PR 15207.  [Jim Jagielski]
 
-  *) mod_ldap: Fix a possible crash in shared memory cache handling.
+  *) mod_ldap: Fix various shared memory cache handling bugs.
      PR 34209.  [Joe Orton]
 
   *) Fix a file descriptor leak when starting piped loggers.  PR 33748. 

Modified: httpd/httpd/branches/2.0.x/STATUS
URL: http://svn.apache.org/viewcvs/httpd/httpd/branches/2.0.x/STATUS?rev=230474&r1=230473&r2=230474&view=diff
==============================================================================
--- httpd/httpd/branches/2.0.x/STATUS (original)
+++ httpd/httpd/branches/2.0.x/STATUS Fri Aug  5 07:06:46 2005
@@ -370,11 +370,6 @@
         http://svn.apache.org/viewcvs.cgi?rev=209539&view=rev
         +1: pquerna
 
-     *) mod_ldap: Use the correct shm segment size, fail on
-        apr_rmm_init errors.
-        http://svn.apache.org/viewcvs?rev=225753&view=rev
-        +1: jorton, minfrin, bnicholes
-
      *) mod_ldap: Initialize mutex permissions properly so that
         locking actually works.
         http://svn.apache.org/viewcvs?rev=105412&view=rev

Modified: httpd/httpd/branches/2.0.x/modules/experimental/util_ldap_cache.c
URL: http://svn.apache.org/viewcvs/httpd/httpd/branches/2.0.x/modules/experimental/util_ldap_cache.c?rev=230474&r1=230473&r2=230474&view=diff
==============================================================================
--- httpd/httpd/branches/2.0.x/modules/experimental/util_ldap_cache.c (original)
+++ httpd/httpd/branches/2.0.x/modules/experimental/util_ldap_cache.c Fri Aug  5 07:06:46
2005
@@ -397,8 +397,11 @@
 {
 #if APR_HAS_SHARED_MEMORY
     apr_status_t result;
+    apr_size_t size;
 
-    result = apr_shm_create(&st->cache_shm, st->cache_bytes, st->cache_file,
st->pool);
+    size = APR_ALIGN_DEFAULT(st->cache_bytes);
+
+    result = apr_shm_create(&st->cache_shm, size, st->cache_file, st->pool);
     if (result == APR_EEXIST) {
         /*
          * The cache could have already been created (i.e. we may be a child process).  See
@@ -410,8 +413,17 @@
         return result;
     }
 
+    /* Determine the usable size of the shm segment. */
+    size = apr_shm_size_get(st->cache_shm);
+
     /* This will create a rmm "handler" to get into the shared memory area */
-    apr_rmm_init(&st->cache_rmm, NULL, (void *)apr_shm_baseaddr_get(st->cache_shm),
st->cache_bytes, st->pool);
+    result = apr_rmm_init(&st->cache_rmm, NULL, 
+                          apr_shm_baseaddr_get(st->cache_shm), size, 
+                          st->pool);
+    if (result != APR_SUCCESS) {
+        return result;
+    }
+
 #endif
 
     apr_pool_cleanup_register(st->pool, st , util_ldap_cache_module_kill, apr_pool_cleanup_null);



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