A slightly more complex code snippet works:
let session = URLSession.shared
let config = URLSessionConfiguration.background(withIdentifier: "SESSION_ID")
config.sessionSendsLaunchEvents = true
let backgroundSession = URLSession(configuration: config)
let response = await withTaskCancellationHandler {
try? await session.data(for: request)
} onCancel: {
let task = backgroundSession.downloadTask(with: request))
task.resume()
}
jamesmattis
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for
Post
Replies
Boosts
Views
Activity
An Apple engineer resolved the issue for me in response to a FeedbackReport. Here was the problem, and a solution. Xcode 16 appears to have changed the header search behavior. My project was structured something like this:
Project.xcworkspace
Project.xcproject
/Project \App <---- Folder containing all app source code
/Development Sample Code <---- Folder containing ctype.h reference
On Xcode 15.4, the headers in /Development Sample Code were not search, they appear to be in Xcode 16.
The resolution was to move the /Development Sample Code folder to a different location. And in general, you can search for files containing 'ctype.h' and remove them from the project folder.