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-rw-r--r--src/libutil/mem_pool_internal.h92
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diff --git a/src/libutil/mem_pool_internal.h b/src/libutil/mem_pool_internal.h
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+/*-
+ * Copyright 2019 Vsevolod Stakhov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef RSPAMD_MEM_POOL_INTERNAL_H
+#define RSPAMD_MEM_POOL_INTERNAL_H
+
+/*
+ * Internal memory pool stuff
+ */
+
+#define align_ptr(p, a) \
+ ((guint8 *) ((uintptr_t) (p) + ((-(intptr_t) (p)) & ((a) -1))))
+
+enum rspamd_mempool_chain_type {
+ RSPAMD_MEMPOOL_NORMAL = 0,
+ RSPAMD_MEMPOOL_SHARED,
+ RSPAMD_MEMPOOL_MAX
+};
+#define ENTRY_LEN 128
+#define ENTRY_NELTS 64
+
+struct entry_elt {
+ guint32 fragmentation;
+ guint32 leftover;
+};
+
+struct rspamd_mempool_entry_point {
+ gchar src[ENTRY_LEN];
+ guint32 cur_suggestion;
+ guint32 cur_elts;
+ guint32 cur_vars;
+ struct entry_elt elts[ENTRY_NELTS];
+};
+
+/**
+ * Destructors list item structure
+ */
+struct _pool_destructors {
+ rspamd_mempool_destruct_t func; /**< pointer to destructor */
+ void *data; /**< data to free */
+ const gchar *function; /**< function from which this destructor was added */
+ const gchar *loc; /**< line number */
+ struct _pool_destructors *next;
+};
+
+
+struct rspamd_mempool_variable {
+ gpointer data;
+ rspamd_mempool_destruct_t dtor;
+};
+
+KHASH_INIT(rspamd_mempool_vars_hash,
+ guint32, struct rspamd_mempool_variable, 1,
+ kh_int_hash_func, kh_int_hash_equal);
+
+struct rspamd_mempool_specific {
+ struct _pool_chain *pools[RSPAMD_MEMPOOL_MAX];
+ struct _pool_destructors *dtors_head, *dtors_tail;
+ GPtrArray *trash_stack;
+ khash_t(rspamd_mempool_vars_hash) * variables;
+ struct rspamd_mempool_entry_point *entry;
+ gsize elt_len; /**< size of an element */
+ gsize used_memory;
+ guint wasted_memory;
+ gint flags;
+};
+
+/**
+ * Pool page structure
+ */
+struct _pool_chain {
+ guint8 *begin; /**< begin of pool chain block */
+ guint8 *pos; /**< current start of free space in block */
+ gsize slice_size; /**< length of block */
+ struct _pool_chain *next;
+};
+
+
+#endif