diff options
Diffstat (limited to 'src/sys/socket/mod.rs')
-rw-r--r-- | src/sys/socket/mod.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/sys/socket/mod.rs b/src/sys/socket/mod.rs index e19dc1f8..202687a6 100644 --- a/src/sys/socket/mod.rs +++ b/src/sys/socket/mod.rs @@ -360,6 +360,36 @@ pub unsafe fn sockaddr_storage_to_addr( } } + +#[derive(Clone, Copy, PartialEq, Eq, Debug)] +pub enum Shutdown { + /// Further receptions will be disallowed. + Read, + /// Further transmissions will be disallowed. + Write, + /// Further receptions and transmissions will be disallowed. + Both, +} + +/// Shut down part of a full-duplex connection. +/// +/// [Further reading](http://man7.org/linux/man-pages/man2/shutdown.2.html) +pub fn shutdown(df: Fd, how: &Shutdown) -> Result<()> { + unsafe { + use libc::shutdown; + let how = match how { + &Shutdown::Read => consts::SHUT_RD, + &Shutdown::Write => consts::SHUT_WR, + &Shutdown::Both => consts::SHUT_RDWR, + }; + let ret = shutdown(df, how); + if ret < 0 { + return Err(Error::last()); + } + } + Ok(()) +} + #[test] pub fn test_struct_sizes() { use nixtest; |