DATA TRANSFER SYSTEM, APPARATUS AND METHOD

摘要

PURPOSE: A system, a device, and a method for transferring data are provided to transfer data between one user process and a kernel at a proper time. CONSTITUTION: A data transfer system includes a user process region(100), a kernel region(200), and a hardware region. User processes are executed in the user process region. The kernel area comprises a kernel thread(240). The hardware region performs input/output according to an input/output request of each user process. When the user process is being executed, the kernel thread copies input data to the user process region from the kernel region.