Configurable IPC-Semaphore Parameters
The following eight kernel parameters control System V IPC semaphore
operating limits:
sema - (Series 700
only). Enable or disable IPC semaphores at system boot
time.
semaem - Maximum
value by which a semaphore can be changed in a semaphore
"undo" operation.
semmap - Size of
free-semaphores resource map for allocating requested sets
of semaphores.
semmni - Maximum
number of sets of IPC semaphores allowed on the system at
any given time.
semmns - Total
system-wide number of individual IPC semaphores available
to system users.
semmnu - Maximum
number processes that can have undo operations pending on
any given IPC semaphore on the system.
semume - Maximum
number of IPC semaphores that a given process can have undo
operations pending on.
semvmx - Maximum
value any given IPC semaphore is allowed to reach (prevents
undetected overflow conditions).
Additional Information