vhangup

(2)

virtually hangup the current terminal

System callsmanpages-dev 6.9.1-1

#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)

LIBRARY

Standard C library (libc, -lc)

DESCRIPTION

vhangup() simulates a hangup on the current terminal. This call arranges for other users to have a “clean” terminal at login time.

RETURN VALUE

On success, zero is returned. On error, -1 is returned, and errno is set to indicate the error.

ERRORS

EPERM: The calling process has insufficient privilege to call vhangup(); the CAP_SYS_TTY_CONFIG capability is required.

STANDARDS

Linux.

LIBRARY

DESCRIPTION

RETURN VALUE

ERRORS

STANDARDS

See also