Adding upstream version 1:7.0.3.upstream/1%7.0.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 89 insertions, 0 deletions

diff --git a/src/util-pool.h b/src/util-pool.h
new file mode 100644
index 0000000..cb82ff6
--- /dev/null
+++ b/src/util-pool.h
@@ -0,0 +1,89 @@
+/* Copyright (C) 2007-2010 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \ingroup utilpool
+ *
+ * @{
+ */
+
+/**
+ * \file
+ *
+ * \author Victor Julien <victor@inliniac.net>
+ */
+
+#ifndef __UTIL_POOL_H__
+#define __UTIL_POOL_H__
+
+#define POOL_BUCKET_PREALLOCATED    (1 << 0)
+
+/* pool bucket structure */
+typedef struct PoolBucket_ {
+    void *data;
+    uint8_t flags;
+    struct PoolBucket_ *next;
+} PoolBucket;
+
+/* pool structure */
+typedef struct Pool_ {
+    uint32_t max_buckets;
+    uint32_t preallocated;
+    uint32_t allocated;         /**< counter of data elements, both currently in
+                                 *   the pool and outside of it (outstanding) */
+
+    uint32_t alloc_stack_size;
+
+    PoolBucket *alloc_stack;
+
+    PoolBucket *empty_stack;
+    uint32_t empty_stack_size;
+
+    int data_buffer_size;
+    void *data_buffer;
+    PoolBucket *pb_buffer;
+
+    void *(*Alloc)(void);
+    int (*Init)(void *, void *);
+    void *InitData;
+    void (*Cleanup)(void *);
+    void (*Free)(void *);
+
+    uint32_t elt_size;
+    uint32_t outstanding;       /**< counter of data items 'in use'. Pretty much
+                                 *   the diff between PoolGet and PoolReturn */
+#ifdef DEBUG
+    uint32_t max_outstanding;   /**< max value of outstanding we saw */
+#endif
+} Pool;
+
+/* prototypes */
+Pool* PoolInit(uint32_t, uint32_t, uint32_t, void *(*Alloc)(void), int (*Init)(void *, void *), void *, void (*Cleanup)(void *), void (*Free)(void *));
+void PoolFree(Pool *);
+void PoolPrint(Pool *);
+void PoolPrintSaturation(Pool *p);
+
+void *PoolGet(Pool *);
+void PoolReturn(Pool *, void *);
+
+void PoolRegisterTests(void);
+
+#endif /* __UTIL_POOL_H__ */
+
+/**
+ * @}
+ */