Function nc::shmdt [−][src]
pub fn shmdt(shmaddr: usize) -> Result<(), Errno>
Expand description
Detach the System V shared memory segment.
let size = 4 * nc::PAGE_SIZE; let flags = nc::IPC_CREAT | nc::IPC_EXCL | 0o600; let ret = nc::shmget(nc::IPC_PRIVATE, size, flags); assert!(ret.is_ok()); let shmid = ret.unwrap(); let addr: usize = 0; let ret = nc::shmat(shmid, addr, 0); assert!(ret.is_ok()); let addr = ret.unwrap(); let mut buf = nc::shmid_ds_t::default(); let ret = nc::shmctl(shmid, nc::IPC_STAT, &mut buf); assert!(ret.is_ok()); let ret = nc::shmdt(addr); assert!(ret.is_ok()); let ret = nc::shmctl(shmid, nc::IPC_RMID, &mut buf); assert!(ret.is_ok());