- sem-init semaphore shared? valueprocedure
Initializes a semaphore. If `shared?` is true then the semaphore will be shared with processes which are not its children, and so must reside in a POSIX shared memory range. `value` is an integer.
Initializes a semaphore. If `shared?` is true then the semaphore will be shared with processes which are not its children, and so must reside in a POSIX shared memory range. `value` is an integer.