Name
vhangup - virtually hangup the current terminalLibrary
Standard C library ( libc ", " -lc )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)
Description
vhangup() simulates a hangup on the current terminal. This call arranges for other users to have a \*(lqclean\*(rq 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.See Also
- init(1),
- capabilities(7)