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list: add _consume method

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Add safer way to destroy a list of objects.
This commit is contained in:
Wim Taymans 2019-05-06 17:04:16 +02:00
parent fa0b4f9321
commit 2b5c6fd676
11 changed files with 43 additions and 38 deletions
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5
spa/include/spa/utils/list.h
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@ -78,6 +78,11 @@ static inline void spa_list_remove(struct spa_list *elem)
#define spa_list_next(pos, member) \
SPA_CONTAINER_OF((pos)->member.next, __typeof__(*pos), member)
#define spa_list_consume(pos, head, member) \
for (pos = spa_list_first(head, __typeof__(*pos), member); \
!spa_list_is_empty(head); \
pos = spa_list_first(head, __typeof__(*pos), member))
#define spa_list_for_each_next(pos, head, curr, member) \
for (pos = spa_list_first(curr, __typeof__(*pos), member); \
!spa_list_is_end(pos, head, member); \

4
spa/plugins/support/loop.c
View file

@ -686,13 +686,13 @@ static int impl_get_interface(struct spa_handle *handle, uint32_t interface_id,
static int impl_clear(struct spa_handle *handle)
{
struct impl *impl;
struct source_impl *source, *tmp;
struct source_impl *source;
spa_return_val_if_fail(handle != NULL, -EINVAL);
impl = (struct impl *) handle;
spa_list_for_each_safe(source, tmp, &impl->source_list, link)
spa_list_consume(source, &impl->source_list, link)
loop_destroy_source(&source->source);
process_destroy(impl);