os_signpost(_:dso:log:name:signpostID:)
Logs the beginning of an animation as a point-of-interest in your code, without a message.
Declaration
func os_signpost(_ animationBegin: OSSignpostAnimationBegin, dso: UnsafeRawPointer = #dsohandle, log: OSLog, name: StaticString, signpostID: OSSignpostID = .exclusive)Parameters
- animationBegin:
The type of animation signpost to create.
- log:
The log object to write the signpost to.
- name:
The name of the signpost.
- signpostID:
A signpost identifier you use to disambiguate between signposts with the same name. If you specify Invalid or Null for this parameter, this method does nothing.