[Overview][Constants][Types][Procedures and functions][Index] | Reference for unit 'ipc' (#rtl)

# Reference for unit 'ipc': Procedures and functions

`ftok` |  | Create token from filename
`msgctl` |  | Perform various operations on a message queue
`msgget` |  | Return message queue ID, possibly creating the queue
`msgrcv` |  | Retrieve a message from the queue
`msgsnd` |  | Send a message to the message queue
`semctl` |  | Perform various control operations on a semaphore set
`semget` |  | Return the ID of a semaphore set, possibly creating the set
`semop` |  | Perform semaphore operation.
`semtimedop` |  | Perform semaphore operation using timeout.
`shmat` |  | Attach a shared memory block.
`shmctl` |  | Perform control operations on a shared memory block.
`shmdt` |  | Detach shared memory block.
`shmget` |  | Return the ID of a shared memory block, possibly creating it