table of contents
vhangup(2) | System Calls Manual | vhangup(2) |
NAME¶
vhangup - virtually hangup the current terminal
LIBRARY¶
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 “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.
SEE ALSO¶
2023-03-30 | Linux man-pages 6.04 |