Function EventDriverFiles.isValid

Determines whether the given file handle is valid.


							
					abstract bool isValid
					(
					

					  FileFD handle
					

					) nothrow @nogc @safe const;

A handle that is invalid will result in no operations being carried out when used. In particular addRef/releaseRef will have no effect, but can safely be called and I/O operations will result in IOStatus.invalidHandle.

A valid handle gets invalid when either the reference count drops to zero, or after the file was explicitly closed.

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