Patent ID: 6161152
Filing Date: 2000-12-12
Classification: G06F

Abstract:
A method comprising:issuing a non-blocking system call to an I/O interface process, the non-blocking system call identifying a portal from an application process; andpolling the portal to determine if an I/O request is complete, the I/O interface process:polling an I/O device in response to the non-blocking system call to determine if the I/O operation is complete; andindicating that the I/O operation is complete using the portal; wherein the step of polling an I/O device in response to the non-blocking system call comprises:storing a first entry corresponding to the I/O operation into a table, the table containing a plurality of entries each corresponding to one of a plurality of I/O operations;accessing the first entry; anddetermining whether the I/O operation corresponding to the first entry is complete.