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sorcery: Add ast_sorcery_object_unregister() API call.

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Find and unlink the specified sorcery object type to complement
ast_sorcery_object_register().  Without this function you cannot
completely unload individual modules that use sorcery for configuration.

ASTERISK-24907
Reported by: Kevin Harwell

Change-Id: I1c04634fe9a90921bf676725c7d6bb2aeaab1c88
This commit is contained in:
Richard Mudgett
2015-06-15 15:28:00 -05:00
parent 77ff7325a2
commit 9ec8a0f3cc
2 changed files with 30 additions and 0 deletions
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19
main/sorcery.c
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@@ -1106,6 +1106,25 @@ static int sorcery_extended_fields_handler(const void *obj, struct ast_variable
return 0;
}
int ast_sorcery_object_unregister(struct ast_sorcery *sorcery, const char *type)
{
struct ast_sorcery_object_type *object_type;
int res = -1;
ao2_wrlock(sorcery->types);
object_type = ao2_find(sorcery->types, type, OBJ_SEARCH_KEY | OBJ_NOLOCK);
if (object_type && object_type->type.type == ACO_ITEM) {
ao2_unlink_flags(sorcery->types, object_type, OBJ_NOLOCK);
res = 0;
}
ao2_unlock(sorcery->types);
/* XXX may need to add an instance unregister observer callback on success. */
ao2_cleanup(object_type);
return res;
}
int __ast_sorcery_object_register(struct ast_sorcery *sorcery, const char *type, unsigned int hidden, unsigned int reloadable, aco_type_item_alloc alloc, sorcery_transform_handler transform, sorcery_apply_handler apply)
{
RAII_VAR(struct ast_sorcery_object_type *, object_type, ao2_find(sorcery->types, type, OBJ_KEY), ao2_cleanup);