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authormarha <marha@users.sourceforge.net>2014-05-08 00:18:25 +0200
committermarha <marha@users.sourceforge.net>2014-05-08 00:18:25 +0200
commit683155917770af9e63a938bc450df25d1904d567 (patch)
tree5eb9d2d0bba27ed4e8afe58c195d1918282c343b /mesalib/src/mesa/main/hash.c
parentea0cd87ecbe9fc3c5503ccad7f87a895a458d6d4 (diff)
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xserver xcb-proto mesa pixman xkeyboard-config git update 7 May 2014
xserver commit a5b9757142a2ab471ca26651dce9cc5f5e351f3d libxcb commit d978a4f69b30b630f28d07f1003cf290284d24d8 libxcb/xcb-proto commit 389889e2f95af19e7fc7ac89e7faeb2f28652415 xkeyboard-config commit 3e54f31b1f118f00c240f59d72d7ddb685c6db79 libX11 commit 8be4610939b833587954957f5963eb4191b43d19 libXdmcp commit 089081dca4ba3598c6f9bf401c029378943b5854 libXext commit 11aad96bd689d54156064d2e81213dc827a689d1 libfontenc commit 0037a42107b952c9d903719615747e760e4e7247 libXinerama commit edd95182b26eb5d576d4878c559e0f17dddaa909 libXau commit 1e4635be11154dd8262f37b379511bd627defa2a xkbcomp commit d4e02a09258063c6d024c3ccd42d6b22212e6e18 pixman commit 91f32ce961bc85f98b3372b95681ad8918d24b18 xextproto commit 66afec3f49e8eb0d4c2e9af7088fc3116d4bafd7 randrproto commit a4a6694c059d74247c16527eef4a0ec9f56bbef6 glproto commit f84853d97d5749308992412a215fa518b6536eb3 mkfontscale commit 399db42a151687f1181ae23d28a76d31125a2853 xwininfo commit ba0d1b0da21d2dbdd81098ed5778f3792b472e13 libXft commit 4acfdaf95adb0a05c2a25550bdde036c865902f4 libXmu commit 22d9c590901e121936f50dee97dc60c4f7defb63 libxtrans commit a57a7f62242e1ea972b81414741729bf3dbae0a4 fontconfig commit 81664fe54f117e4781fda5a30429b51858302e91 mesa commit 9ced3fc649ec04710a5f5c855bfb582b898cff83
Diffstat (limited to 'mesalib/src/mesa/main/hash.c')
-rw-r--r--mesalib/src/mesa/main/hash.c89
1 files changed, 80 insertions, 9 deletions
diff --git a/mesalib/src/mesa/main/hash.c b/mesalib/src/mesa/main/hash.c
index 4c92005e0..23018e9da 100644
--- a/mesalib/src/mesa/main/hash.c
+++ b/mesalib/src/mesa/main/hash.c
@@ -194,15 +194,55 @@ _mesa_HashLookup(struct _mesa_HashTable *table, GLuint key)
/**
- * Insert a key/pointer pair into the hash table.
- * If an entry with this key already exists we'll replace the existing entry.
- *
+ * Lookup an entry in the hash table without locking the mutex.
+ *
+ * The hash table mutex must be locked manually by calling
+ * _mesa_HashLockMutex() before calling this function.
+ *
+ * \param table the hash table.
+ * \param key the key.
+ *
+ * \return pointer to user's data or NULL if key not in table
+ */
+void *
+_mesa_HashLookupLocked(struct _mesa_HashTable *table, GLuint key)
+{
+ return _mesa_HashLookup_unlocked(table, key);
+}
+
+
+/**
+ * Lock the hash table mutex.
+ *
+ * This function should be used when multiple objects need
+ * to be looked up in the hash table, to avoid having to lock
+ * and unlock the mutex each time.
+ *
* \param table the hash table.
- * \param key the key (not zero).
- * \param data pointer to user data.
*/
void
-_mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data)
+_mesa_HashLockMutex(struct _mesa_HashTable *table)
+{
+ assert(table);
+ mtx_lock(&table->Mutex);
+}
+
+
+/**
+ * Unlock the hash table mutex.
+ *
+ * \param table the hash table.
+ */
+void
+_mesa_HashUnlockMutex(struct _mesa_HashTable *table)
+{
+ assert(table);
+ mtx_unlock(&table->Mutex);
+}
+
+
+static inline void
+_mesa_HashInsert_unlocked(struct _mesa_HashTable *table, GLuint key, void *data)
{
uint32_t hash = uint_hash(key);
struct hash_entry *entry;
@@ -210,8 +250,6 @@ _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data)
assert(table);
assert(key);
- mtx_lock(&table->Mutex);
-
if (key > table->MaxKey)
table->MaxKey = key;
@@ -225,11 +263,44 @@ _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data)
_mesa_hash_table_insert(table->ht, hash, uint_key(key), data);
}
}
+}
- mtx_unlock(&table->Mutex);
+
+/**
+ * Insert a key/pointer pair into the hash table without locking the mutex.
+ * If an entry with this key already exists we'll replace the existing entry.
+ *
+ * The hash table mutex must be locked manually by calling
+ * _mesa_HashLockMutex() before calling this function.
+ *
+ * \param table the hash table.
+ * \param key the key (not zero).
+ * \param data pointer to user data.
+ */
+void
+_mesa_HashInsertLocked(struct _mesa_HashTable *table, GLuint key, void *data)
+{
+ _mesa_HashInsert_unlocked(table, key, data);
}
+/**
+ * Insert a key/pointer pair into the hash table.
+ * If an entry with this key already exists we'll replace the existing entry.
+ *
+ * \param table the hash table.
+ * \param key the key (not zero).
+ * \param data pointer to user data.
+ */
+void
+_mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data)
+{
+ assert(table);
+ mtx_lock(&table->Mutex);
+ _mesa_HashInsert_unlocked(table, key, data);
+ mtx_unlock(&table->Mutex);
+}
+
/**
* Remove an entry from the hash table.