A MEHTOD USING SEMAPHORES FOR SYNCHRONIZING COMMUNICATION BETWEEN PROGRAMS OR PROCESSES RESIDENT IN A COMPUTER SYSTEM
Patent №
US 5,313,638
Granted
1994-05-17
Filed 1992
Owner
INTERNATIONAL BUSINESS MACHINES CORPORATION - A CORP. OF NY
Lab
AI components
1
hardware
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
07856793
A communication method suitable for use between programs operating at different privilege levels in a processor utilizes shared memory which includes a plurality of memory slots for containing messages to be exchanged and message queue. The synchronization of the programs and access to the shared memory is controlled a number of semaphores. Each slot is provided with its own semaphore ana three additional semaphores are provided to synchronize operation.
AI classification
Ownership
INTERNATIONAL BUSINESS MACHINES CORPORATION - A CORP. OF NY
assignment · 60680799
Assignors
OGLE, DAVID M., WILLIAMS, EARL H., JR.
On an employer assignment, the assignors are typically the inventors.