From f7d1f7b803a9e89be4407d102a48eddd1708e103 Mon Sep 17 00:00:00 2001
From: Byron Jones <bjones@mozilla.com>
Date: Fri, 5 Oct 2012 00:49:53 +0800
Subject: Bug 797883: Adds a Bugzilla->process_cache r=LpSolit, a=LpSolit

---
 Bugzilla.pm          | 12 ++++++++++--
 Bugzilla/Template.pm | 13 ++++++-------
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/Bugzilla.pm b/Bugzilla.pm
index f956f5a0e..6c86fb0fc 100644
--- a/Bugzilla.pm
+++ b/Bugzilla.pm
@@ -271,8 +271,7 @@ sub input_params {
 
 our $_localconfig;
 sub localconfig {
-    $_localconfig ||= read_localconfig();
-    return $_localconfig;
+    return $_[0]->process_cache->{localconfig} ||= read_localconfig();
 }
 
 sub params {
@@ -643,6 +642,15 @@ sub request_cache {
     return $_request_cache;
 }
 
+# This is a per-process cache.  Under mod_cgi it's identical to the
+# request_cache.  When using mod_perl, items in this cache live until the
+# worker process is terminated.
+our $_process_cache = {};
+
+sub process_cache {
+    return $_process_cache;
+}
+
 # Private methods
 
 # Per-process cleanup. Note that this is a plain subroutine, not a method,
diff --git a/Bugzilla/Template.pm b/Bugzilla/Template.pm
index 6685a7431..f6796dfc7 100644
--- a/Bugzilla/Template.pm
+++ b/Bugzilla/Template.pm
@@ -41,10 +41,6 @@ use constant FORMAT_3_SIZE => [19,28,28];
 use constant FORMAT_DOUBLE => '%19s %-55s';
 use constant FORMAT_2_SIZE => [19,55];
 
-# Use a per-process provider to cache compiled templates in memory across
-# requests.
-our %shared_providers;
-
 # Pseudo-constant.
 sub SAFE_URL_REGEXP {
     my $safe_protocols = join('|', SAFE_PROTOCOLS);
@@ -982,9 +978,12 @@ sub create {
             'default_authorizer' => new Bugzilla::Auth(),
         },
     };
+    # Use a per-process provider to cache compiled templates in memory across
+    # requests.
     my $provider_key = join(':', @{ $config->{INCLUDE_PATH} });
-    $shared_providers{$provider_key} ||= Template::Provider->new($config);
-    $config->{LOAD_TEMPLATES} = [ $shared_providers{$provider_key} ];
+    my $shared_providers = Bugzilla->process_cache->{shared_providers} ||= {};
+    $shared_providers->{$provider_key} ||= Template::Provider->new($config);
+    $config->{LOAD_TEMPLATES} = [ $shared_providers->{$provider_key} ];
 
     local $Template::Config::CONTEXT = 'Bugzilla::Template::Context';
 
@@ -1051,7 +1050,7 @@ sub precompile_templates {
         }
 
         # Clear out the cached Provider object
-        undef %shared_providers;
+        Bugzilla->process_cache->{shared_providers} = undef;
     }
 
     # Under mod_perl, we look for templates using the absolute path of the
-- 
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