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April, 26th. 2006:
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vhangup
Section: System Calls (2) Updated: 202-0-08 Index
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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
init(1),
capabilities(7)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- STANDARDS
-
- SEE ALSO
-
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