semmns
semmns defines the system-wide maximum number of individual
IPC semaphores that can be allocated for users.
2
128
Specify integer value or use integer formula expression. For more information, see Specifying Parameter Values.
semmns defines the system-wide maximum total number of
individual semaphores that can be made available to system users.
When the free-space map shows that there are not enough contiguous
semaphore slots in the semaphore area of shared memory to satisfy a
semget() request, semget() returns a
ENOSPC error. This error can occur even though there may
be enough free semaphores slots, but they are not contiguous.
semmni less then
or equal to semmnssemmns less then or equal to (semmni *
semmsl)
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.