@@ -897,11 +897,11 @@
 		OFEnsure(e.bytesWritten <= length);
 
 		_bytesWritten += (int64_t)e.bytesWritten;
 		_CRC32 = OFCRC32(_CRC32, buffer, e.bytesWritten);
 
-		if (e.errNo == EWOULDBLOCK)
+		if (e.errNo == EWOULDBLOCK || e.errNo == EAGAIN)
 			return e.bytesWritten;
 
 		@throw e;
 	}