mirror of
https://github.com/asterisk/asterisk.git
synced 2025-10-06 05:02:29 +00:00
ec5116f80c
As in previous commits, when channels are allocated (with ast_channel_alloc) or datastores are allocated (with ast_datastore_alloc) properly account for the memory being owned by the caller, instead of the allocator function itself. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@192318 65c4cc65-6c06-0410-ace0-fbb531ad65f3
85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 2007 - 2008, Digium, Inc.
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
/*! \file
|
|
* \brief Asterisk datastore objects
|
|
*/
|
|
|
|
#ifndef _ASTERISK_DATASTORE_H
|
|
#define _ASTERISK_DATASTORE_H
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "asterisk/linkedlists.h"
|
|
|
|
/*! \brief Structure for a data store type */
|
|
struct ast_datastore_info {
|
|
const char *type; /*!< Type of data store */
|
|
void *(*duplicate)(void *data); /*!< Duplicate item data (used for inheritance) */
|
|
void (*destroy)(void *data); /*!< Destroy function */
|
|
|
|
/*!
|
|
* \brief Fix up channel references
|
|
*
|
|
* \arg data The datastore data
|
|
* \arg old_chan The old channel owning the datastore
|
|
* \arg new_chan The new channel owning the datastore
|
|
*
|
|
* This is exactly like the fixup callback of the channel technology interface.
|
|
* It allows a datastore to fix any pointers it saved to the owning channel
|
|
* in case that the owning channel has changed. Generally, this would happen
|
|
* when the datastore is set to be inherited, and a masquerade occurs.
|
|
*
|
|
* \return nothing.
|
|
*/
|
|
void (*chan_fixup)(void *data, struct ast_channel *old_chan, struct ast_channel *new_chan);
|
|
};
|
|
|
|
/*! \brief Structure for a data store object */
|
|
struct ast_datastore {
|
|
const char *uid; /*!< Unique data store identifier */
|
|
void *data; /*!< Contained data */
|
|
const struct ast_datastore_info *info; /*!< Data store type information */
|
|
unsigned int inheritance; /*!< Number of levels this item will continue to be inherited */
|
|
AST_LIST_ENTRY(ast_datastore) entry; /*!< Used for easy linking */
|
|
};
|
|
|
|
/*!
|
|
* \brief Create a data store object
|
|
* \param[in] info information describing the data store object
|
|
* \param[in] uid unique identifer
|
|
* \version 1.6.1 moved here and renamed from ast_channel_datastore_alloc
|
|
*/
|
|
struct ast_datastore * attribute_malloc __ast_datastore_alloc(const struct ast_datastore_info *info, const char *uid,
|
|
const char *file, int line, const char *function);
|
|
|
|
#define ast_datastore_alloc(info, uid) __ast_datastore_alloc(info, uid, __FILE__, __LINE__, __PRETTY_FUNCTION__)
|
|
|
|
/*!
|
|
* \brief Free a data store object
|
|
* \param[in] datastore datastore to free
|
|
* \version 1.6.1 moved here and renamed from ast_channel_datastore_free
|
|
*/
|
|
int ast_datastore_free(struct ast_datastore *datastore);
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ASTERISK_DATASTORE_H */
|