Reference

semperm(1)

read and optionally alter the permissions for a semaphore set

NAME

semperm - read and optionally alter the permissions for a semaphore set

SYNOPSIS

semperm id permissions

DESCRIPTION

semperm returns the current permissions on the semaphore set specified by id and if permissions were given, attempts to set the new permissions on the semaphore set. The permissions must be given in numeric form and can not be given by letters.

SEE ALSO

semget(1), semsid(1), semread(1), semwrite(1), semctl(2).