Reads to the end of file from the file or communications channel in the background and posts a notification when finished.
SDKs
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Framework
- Foundation
Declaration
Parameters
modes
The runloop modes in which the read completion notification can be posted.
Discussion
See read
for details of this method's operation. The method differs from read
in that modes
specifies the run-loop mode (or modes) in which NSFile
can be posted.
You must call this method from a thread that has an active run loop.