[evolution-data-server] Remove CAMEL_FOLDER_SUMMARY_ALLOC_LOCK.

[Matthew Barnes <mbarnes src gnome org>]

commit 763c86722cc2b13868daed84a749baa29629662a
Author: Matthew Barnes <mbarnes redhat com>
Date:   Mon Sep 16 10:46:26 2013 -0400

    Remove CAMEL_FOLDER_SUMMARY_ALLOC_LOCK.
    
    We use GLib's slab allocator, no additional locking required.

 camel/camel-folder-summary.c |   28 ++++++++--------------------
 camel/camel-folder-summary.h |    1 -
 2 files changed, 8 insertions(+), 21 deletions(-)
---
diff --git a/camel/camel-folder-summary.c b/camel/camel-folder-summary.c
index bd62ec6..6bcbc6f 100644
--- a/camel/camel-folder-summary.c
+++ b/camel/camel-folder-summary.c
@@ -82,7 +82,6 @@ struct _CamelFolderSummaryPrivate {
 
        GRecMutex summary_lock; /* for the summary hashtable/array */
        GRecMutex filter_lock;  /* for accessing any of the filtering/indexing stuff, since we share them */
-       GRecMutex alloc_lock;   /* for setting up and using allocators */
 
        gboolean need_preview;
        GHashTable *preview_updates;
@@ -246,7 +245,6 @@ folder_summary_finalize (GObject *object)
 
        g_rec_mutex_clear (&priv->summary_lock);
        g_rec_mutex_clear (&priv->filter_lock);
-       g_rec_mutex_clear (&priv->alloc_lock);
 
        /* Chain up to parent's finalize() method. */
        G_OBJECT_CLASS (camel_folder_summary_parent_class)->finalize (object);
@@ -1346,7 +1344,6 @@ camel_folder_summary_init (CamelFolderSummary *summary)
 
        g_rec_mutex_init (&summary->priv->summary_lock);
        g_rec_mutex_init (&summary->priv->filter_lock);
-       g_rec_mutex_init (&summary->priv->alloc_lock);
 
        summary->priv->cache_load_time = 0;
        summary->priv->timeout_handle = 0;
@@ -3522,15 +3519,11 @@ CamelMessageContentInfo *
 camel_folder_summary_content_info_new (CamelFolderSummary *summary)
 {
        CamelFolderSummaryClass *class;
-       CamelMessageContentInfo *ci;
 
        class = CAMEL_FOLDER_SUMMARY_GET_CLASS (summary);
+       g_return_val_if_fail (class->content_info_size > 0, NULL);
 
-       camel_folder_summary_lock (summary, CAMEL_FOLDER_SUMMARY_ALLOC_LOCK);
-       ci = g_slice_alloc0 (class->content_info_size);
-       camel_folder_summary_unlock (summary, CAMEL_FOLDER_SUMMARY_ALLOC_LOCK);
-
-       return ci;
+       return g_slice_alloc0 (class->content_info_size);
 }
 
 static CamelMessageInfo *
@@ -4383,16 +4376,17 @@ camel_message_info_new (CamelFolderSummary *summary)
 {
        CamelFolderSummaryClass *class;
        CamelMessageInfo *info;
+       gsize message_info_size;
 
-       if (summary) {
-               camel_folder_summary_lock (summary, CAMEL_FOLDER_SUMMARY_ALLOC_LOCK);
+       if (summary != NULL) {
                class = CAMEL_FOLDER_SUMMARY_GET_CLASS (summary);
-               info = g_slice_alloc0 (class->message_info_size);
-               camel_folder_summary_unlock (summary, CAMEL_FOLDER_SUMMARY_ALLOC_LOCK);
+               g_return_val_if_fail (class->message_info_size > 0, NULL);
+               message_info_size = class->message_info_size;
        } else {
-               info = g_slice_alloc0 (sizeof (CamelMessageInfoBase));
+               message_info_size = sizeof (CamelMessageInfoBase);
        }
 
+       info = g_slice_alloc0 (message_info_size);
        info->refcount = 1;
        info->summary = summary;
 
@@ -4792,9 +4786,6 @@ camel_folder_summary_lock (CamelFolderSummary *summary,
                case CAMEL_FOLDER_SUMMARY_SUMMARY_LOCK:
                        g_rec_mutex_lock (&summary->priv->summary_lock);
                        break;
-               case CAMEL_FOLDER_SUMMARY_ALLOC_LOCK:
-                       g_rec_mutex_lock (&summary->priv->alloc_lock);
-                       break;
                default:
                        g_return_if_reached ();
        }
@@ -4819,9 +4810,6 @@ camel_folder_summary_unlock (CamelFolderSummary *summary,
                case CAMEL_FOLDER_SUMMARY_SUMMARY_LOCK:
                        g_rec_mutex_unlock (&summary->priv->summary_lock);
                        break;
-               case CAMEL_FOLDER_SUMMARY_ALLOC_LOCK:
-                       g_rec_mutex_unlock (&summary->priv->alloc_lock);
-                       break;
                default:
                        g_return_if_reached ();
        }
diff --git a/camel/camel-folder-summary.h b/camel/camel-folder-summary.h
index 7da389b..4929338 100644
--- a/camel/camel-folder-summary.h
+++ b/camel/camel-folder-summary.h
@@ -232,7 +232,6 @@ typedef enum {
  **/
 typedef enum _CamelFolderSummaryLock {
        CAMEL_FOLDER_SUMMARY_SUMMARY_LOCK,
-       CAMEL_FOLDER_SUMMARY_ALLOC_LOCK,
 } CamelFolderSummaryLock;
 
 struct _CamelFolderSummary {