diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asterisk/astobj2.h | 27 | ||||
-rw-r--r-- | include/asterisk/sorcery.h | 20 |
2 files changed, 47 insertions, 0 deletions
diff --git a/include/asterisk/astobj2.h b/include/asterisk/astobj2.h index 0472c1b37..28ae73e87 100644 --- a/include/asterisk/astobj2.h +++ b/include/asterisk/astobj2.h @@ -368,6 +368,13 @@ enum ao2_alloc_opts { AO2_ALLOC_OPT_LOCK_NOLOCK = (2 << 0), /*! The ao2 object locking option field mask. */ AO2_ALLOC_OPT_LOCK_MASK = (3 << 0), + /*! + * \internal The ao2 object uses a separate object for locking. + * + * \note This option is used internally by ao2_alloc_with_lockobj and + * should never be passed directly to ao2_alloc. + */ + AO2_ALLOC_OPT_LOCK_OBJ = AO2_ALLOC_OPT_LOCK_MASK, }; /*! @@ -408,6 +415,26 @@ void *__ao2_alloc(size_t data_size, ao2_destructor_fn destructor_fn, unsigned in /*! @} */ +/*! + * \since 14.1.0 + * \brief Allocate and initialize an object with separate locking. + * + * \param data_size The sizeof() of the user-defined structure. + * \param destructor_fn The destructor function (can be NULL) + * \param lockobj A separate ao2 object that will provide locking. + * \param debug_msg An ao2 object debug tracing message. + * \return A pointer to user-data. + * + * \see \ref ao2_alloc for additional details. + * + * \note lockobj must be a valid AO2 object. + */ +#define ao2_alloc_with_lockobj(data_size, destructor_fn, lockobj, tag) \ + __ao2_alloc_with_lockobj((data_size), (destructor_fn), (lockobj), (tag), __FILE__, __LINE__, __PRETTY_FUNCTION__) + +void *__ao2_alloc_with_lockobj(size_t data_size, ao2_destructor_fn destructor_fn, void *lockobj, + const char *tag, const char *file, int line, const char *func) attribute_warn_unused_result; + /*! \brief * Reference/unreference an object and return the old refcount. * diff --git a/include/asterisk/sorcery.h b/include/asterisk/sorcery.h index 23219ec41..896633816 100644 --- a/include/asterisk/sorcery.h +++ b/include/asterisk/sorcery.h @@ -988,10 +988,30 @@ int ast_sorcery_changeset_create(const struct ast_variable *original, const stru * * \retval non-NULL success * \retval NULL failure + * + * \note The returned object does not support AO2 locking. */ void *ast_sorcery_generic_alloc(size_t size, ao2_destructor_fn destructor); /*! + * \since 14.1.0 + * \brief Allocate a generic sorcery capable object with locking. + * + * \details Sorcery objects may be replaced with new allocations during reloads. + * If locking is required on sorcery objects it must be shared between the old + * object and the new one. lockobj can be any AO2 object with locking enabled, + * but in most cases named locks should be used to provide stable locking. + * + * \param size Size of the object + * \param destructor Optional destructor function + * \param lockobj An AO2 object that will provide locking. + * + * \retval non-NULL success + * \retval NULL failure + */ +void *ast_sorcery_lockable_alloc(size_t size, ao2_destructor_fn destructor, void *lockobj); + +/*! * \brief Allocate an object * * \param sorcery Pointer to a sorcery structure |