From 7933658107276f9d5491f8736a743cf8f8bbd5f2 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 2 Apr 2010 14:47:58 +0000
Subject: Updated to following packages:   mesa-7.8

---
 mesalib/src/mesa/main/hash.c | 53 +++++++++++++++++++++++++++++---------------
 1 file changed, 35 insertions(+), 18 deletions(-)

(limited to 'mesalib/src/mesa/main/hash.c')

diff --git a/mesalib/src/mesa/main/hash.c b/mesalib/src/mesa/main/hash.c
index 08c64568c..b624e6eca 100644
--- a/mesalib/src/mesa/main/hash.c
+++ b/mesalib/src/mesa/main/hash.c
@@ -108,27 +108,23 @@ _mesa_DeleteHashTable(struct _mesa_HashTable *table)
             _mesa_problem(NULL,
                           "In _mesa_DeleteHashTable, found non-freed data");
          }
-	 _mesa_free(entry);
+	 free(entry);
 	 entry = next;
       }
    }
    _glthread_DESTROY_MUTEX(table->Mutex);
    _glthread_DESTROY_MUTEX(table->WalkMutex);
-   _mesa_free(table);
+   free(table);
 }
 
 
 
 /**
- * Lookup an entry in the hash table.
- * 
- * \param table the hash table.
- * \param key the key.
- * 
- * \return pointer to user's data or NULL if key not in table
+ * Lookup an entry in the hash table, without locking.
+ * \sa _mesa_HashLookup
  */
-void *
-_mesa_HashLookup(const struct _mesa_HashTable *table, GLuint key)
+static INLINE void *
+_mesa_HashLookup_unlocked(struct _mesa_HashTable *table, GLuint key)
 {
    GLuint pos;
    const struct HashEntry *entry;
@@ -140,7 +136,7 @@ _mesa_HashLookup(const struct _mesa_HashTable *table, GLuint key)
    entry = table->Table[pos];
    while (entry) {
       if (entry->Key == key) {
-	 return entry->Data;
+         return entry->Data;
       }
       entry = entry->Next;
    }
@@ -148,6 +144,25 @@ _mesa_HashLookup(const struct _mesa_HashTable *table, GLuint key)
 }
 
 
+/**
+ * Lookup an entry in the hash table.
+ * 
+ * \param table the hash table.
+ * \param key the key.
+ * 
+ * \return pointer to user's data or NULL if key not in table
+ */
+void *
+_mesa_HashLookup(struct _mesa_HashTable *table, GLuint key)
+{
+   void *res;
+   assert(table);
+   _glthread_LOCK_MUTEX(table->Mutex);
+   res = _mesa_HashLookup_unlocked(table, key);
+   _glthread_UNLOCK_MUTEX(table->Mutex);
+   return res;
+}
+
 
 /**
  * Insert a key/pointer pair into the hash table.  
@@ -191,10 +206,12 @@ _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data)
 
    /* alloc and insert new table entry */
    entry = MALLOC_STRUCT(HashEntry);
-   entry->Key = key;
-   entry->Data = data;
-   entry->Next = table->Table[pos];
-   table->Table[pos] = entry;
+   if (entry) {
+      entry->Key = key;
+      entry->Data = data;
+      entry->Next = table->Table[pos];
+      table->Table[pos] = entry;
+   }
 
    _glthread_UNLOCK_MUTEX(table->Mutex);
 }
@@ -240,7 +257,7 @@ _mesa_HashRemove(struct _mesa_HashTable *table, GLuint key)
          else {
             table->Table[pos] = entry->Next;
          }
-         _mesa_free(entry);
+         free(entry);
          _glthread_UNLOCK_MUTEX(table->Mutex);
 	 return;
       }
@@ -277,7 +294,7 @@ _mesa_HashDeleteAll(struct _mesa_HashTable *table,
       for (entry = table->Table[pos]; entry; entry = next) {
          callback(entry->Key, entry->Data, userData);
          next = entry->Next;
-         _mesa_free(entry);
+         free(entry);
       }
       table->Table[pos] = NULL;
    }
@@ -442,7 +459,7 @@ _mesa_HashFindFreeKeyBlock(struct _mesa_HashTable *table, GLuint numKeys)
       GLuint freeStart = 1;
       GLuint key;
       for (key = 1; key != maxKey; key++) {
-	 if (_mesa_HashLookup(table, key)) {
+	 if (_mesa_HashLookup_unlocked(table, key)) {
 	    /* darn, this key is already in use */
 	    freeCount = 0;
 	    freeStart = key+1;
-- 
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