Manpage of VHANGUP
VHANGUPSection: Linux Programmer's Manual (2)
NAMEvhangup - virtually hangup the current terminal
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
Since glibc 2.21: _DEFAULT_SOURCE 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)
DESCRIPTIONvhangup() simulates a hangup on the current terminal. This call arranges for other users to have a ``clean'' terminal at login time.
RETURN VALUEOn success, zero is returned. On error, -1 is returned, and errnois set appropriately.
- The calling process has insufficient privilege to call vhangup(); the CAP_SYS_TTY_CONFIGcapability is required.
CONFORMING TOThis call is Linux-specific, and should not be used in programs intended to be portable.
SEE ALSOinit(1), capabilities(7)
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