diff options
| -rw-r--r-- | src/sys/termios.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/sys/termios.rs b/src/sys/termios.rs index 2a815158..8651a84d 100644 --- a/src/sys/termios.rs +++ b/src/sys/termios.rs @@ -50,6 +50,8 @@ use std::convert::From; use std::mem; use std::os::unix::io::RawFd; +use ::unistd::Pid; + /// Stores settings for the termios API /// /// This is a wrapper around the `libc::termios` struct that provides a safe interface for the @@ -883,3 +885,11 @@ pub fn tcflush(fd: RawFd, action: FlushArg) -> Result<()> { pub fn tcsendbreak(fd: RawFd, duration: c_int) -> Result<()> { Errno::result(unsafe { libc::tcsendbreak(fd, duration) }).map(drop) } + +/// Get the session controlled by the given terminal (see +/// [tcgetsid(3)](http://pubs.opengroup.org/onlinepubs/9699919799/functions/tcgetsid.html)). +pub fn tcgetsid(fd: RawFd) -> Result<Pid> { + let res = unsafe { libc::tcgetsid(fd) }; + + Errno::result(res).map(Pid::from_raw) +} |