VHANGUP(2) - Linux man page online | System calls
Virtually hangup the current terminal.
VHANGUP(2) Linux Programmer's Manual VHANGUP(2)
Linux 2016-03-15 VHANGUP(2)
NAMEvhangup - virtually hangup the current terminal
SYNOPSIS#include <unistd.h> int vhangup(void); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): vhangup(): 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 errno is set appropriately.
ERRORSEPERM The calling process has insufficient privilege to call vhangup(); the CAP_SYS_TTY_CONFIG capability is required.
CONFORMING TOThis call is Linux-specific, and should not be used in programs intended to be portable.
SEE ALSOinit(1), capabilities(7)
COLOPHONThis page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
|This manual||Reference||Other manuals|
|vhangup(2)||referred by||capabilities(7) | syscalls(2)|
|refer to||capabilities(7) | feature_test_macros(7) | init(1)|