Section: Linux Programmer's Manual (2)
vhangup - virtually hangup the current terminal
Feature Test Macro Requirements for glibc (see
Since glibc 2.21:
In glibc 2.19 and 2.20:
_DEFAULT_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500)
Up to and including glibc 2.19:
_BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE < 500)
simulates a hangup on the current terminal.
This call arranges for other
users to have a ``clean'' terminal at login time.
On success, zero is returned.
On error, -1 is returned, and
is set appropriately.
The calling process has insufficient privilege to call
capability is required.
This call is Linux-specific, and should not be used in programs
intended to be portable.
This page is part of release 5.10 of the Linux
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