Module eventfd 

Linux eventfd implementation.

Re-exports

use std::cell::Cell; 🔒

use std::cell::RefCell; 🔒

use std::io; 🔒

use std::io::ErrorKind; 🔒

use crate::concurrency::VClock; 🔒

use crate::shims::files::FileDescription; 🔒

use crate::shims::files::FileDescriptionRef; 🔒

use crate::shims::unix::UnixFileDescription; 🔒

use crate::*; 🔒

Structs

EventFd 🔒

A kind of file descriptor created by eventfd. The Event type isn’t currently written to by eventfd. The interface is meant to keep track of objects associated with a file descriptor. For more information see the man page below:

Constants

MAX_COUNTER 🔒

Maximum value that the eventfd counter can hold.

Traits

EvalContextExt

Functions

eventfd_read 🔒

Block thread if the current counter is 0, else just return the current counter value to the caller and set the counter to 0.

eventfd_write 🔒

Block thread if the value addition will exceed u64::MAX -1, else just add the user-supplied value to current counter.