semmni

semmni specifies the maximum number of sets of IPC semaphores that can exist simultaneously on the system.

Acceptable Values:

Minimum
2
Maximum
Memory limited
Default
64

Specify integer value or use integer formula expression. For more information, see Specifying Parameter Values.

Description

semmni defines the number of sets (identifiers) of semaphores available to system users.

When the system runs out of semaphore sets, the semget() system call returns a ENOSPC error message.

Related Parameters

semmsl is the value of the maximum number of semaphores that can be associated with a semaphore ID. The value of semmsl is set at 500 and is not configurable.

Additional Information