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VHANGUP(2) | Linux Programmer's Manual | VHANGUP(2) |
NAME¶
vhangup - virtually hangup the current terminalSYNOPSIS¶
#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 appropriately.ERRORS¶
- EPERM
- The calling process has insufficient privilege to call vhangup(); the CAP_SYS_TTY_CONFIG capability is required.
CONFORMING TO¶
This call is Linux-specific, and should not be used in programs intended to be portable.SEE ALSO¶
init(1), capabilities(7)COLOPHON¶
This page is part of release 5.04 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/.2016-03-15 | Linux |