|TCGETSID(3)||Library Functions Manual||TCGETSID(3)|
tcgetsid — get
session ID associated with a controlling terminal
function returns the value of the session ID associated with the specified
controlling terminal device. The session ID is defined as the process group
ID of the session leader.
If an error occurs,
tcgetsid() returns -1
and the global variable errno is set to indicate the
error, as follows:
tcgetsid() function is expected to be
compliant with the IEEE Std 1003.1-2008
tcgetsid() function has been available
since OpenBSD 5.5.
|October 17, 2017||OpenBSD-current|