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| author | Wim Taymans <wtaymans@redhat.com> | 2020-07-27 16:47:30 +0200 |
|---|---|---|
| committer | Wim Taymans <wtaymans@redhat.com> | 2020-07-27 16:47:30 +0200 |
| commit | 6e2d3feb077f3bc2ca8645e319f71d69808c4f21 (patch) | |
| tree | 75f2e1b16ce460dd1cecae3ddf1a8e8b3b677be2 /doc | |
| parent | ca5836cdf460644aadf5ef24706653f08ef46450 (diff) | |
doc: clarify version field in events
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/spa/design.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/spa/design.md b/doc/spa/design.md index 173b9b49..b7d18080 100644 --- a/doc/spa/design.md +++ b/doc/spa/design.md @@ -256,6 +256,11 @@ be called with `my_data` as the first data field. The events are usually also triggered when the listener is added, to enumerate the current state of the object. +Events have a `version` field, set to `SPA_VERSION_NODE_EVENTS` in the +above example. It should contain the version of the event structure +you compiled with. When new events are added later, the version field +will be checked and the new signal will be ignored for older versions. + You can remove your listener with: ```c |