Implement creation of SysV IPC message queues

This adds the `sysvmq` package which handles SysV IPC message queues.
For consistency the parameter for `permissions` is renamed to `mode`
also for POSIX message queues.
This commit is contained in:
finga 2021-07-07 20:23:04 +02:00
parent a468c5d7bb
commit 4d200bb5f3
11 changed files with 271 additions and 10 deletions

31
src/sysv/create.rs Normal file
View file

@ -0,0 +1,31 @@
use anyhow::Result;
use clap::Clap;
use log::info;
use sysvmq::SysvMq;
/// Create a SysV message queue
#[derive(Clap, Debug)]
pub struct Create {
/// Permissions (octal) to create the queue with (default: 0644)
#[clap(short, long)]
mode: Option<String>,
/// Key of the new queue
#[clap(value_name = "KEY")]
key: i32,
}
impl Create {
pub fn run(&self) -> Result<()> {
let mut mq = SysvMq::<String>::new();
if let Some(m) = &self.mode {
mq.mode(i32::from_str_radix(&m, 8)?);
}
mq.create(self.key)?;
info!("SysV message queue created, key: {}, id: {}", mq.key, mq.id);
Ok(())
}
}