projects / thirdparty / man-pages.git / blame
| Commit | Line | Data |
|---|---|---|
| fea681da MK |
1 | .\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu) |
| 2 | .\" | |
| 93015253 | 3 | .\" %%%LICENSE_START(VERBATIM) |
| fea681da MK |
4 | .\" Permission is granted to make and distribute verbatim copies of this |
| 5 | .\" manual provided the copyright notice and this permission notice are | |
| 6 | .\" preserved on all copies. | |
| 7 | .\" | |
| 8 | .\" Permission is granted to copy and distribute modified versions of this | |
| 9 | .\" manual under the conditions for verbatim copying, provided that the | |
| 10 | .\" entire resulting derived work is distributed under the terms of a | |
| 11 | .\" permission notice identical to this one. | |
| c13182ef | 12 | .\" |
| fea681da MK |
13 | .\" Since the Linux kernel and libraries are constantly changing, this |
| 14 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
| 15 | .\" responsibility for errors or omissions, or for damages resulting from | |
| 16 | .\" the use of the information contained herein. The author(s) may not | |
| 17 | .\" have taken the same level of care in the production of this manual, | |
| 18 | .\" which is licensed free of charge, as they might when working | |
| 19 | .\" professionally. | |
| c13182ef | 20 | .\" |
| fea681da MK |
21 | .\" Formatted or processed versions of this manual, if unaccompanied by |
| 22 | .\" the source, must acknowledge the copyright and authors of this work. | |
| 4b72fb64 | 23 | .\" %%%LICENSE_END |
| a781c7d0 | 24 | .\" |
| c11b1abf | 25 | .\" Modified, 27 May 2004, Michael Kerrisk <mtk.manpages@gmail.com> |
| fea681da MK |
26 | .\" Added notes on capability requirements |
| 27 | .\" | |
| 97986708 | 28 | .TH VHANGUP 2 2016-03-15 "Linux" "Linux Programmer's Manual" |
| fea681da | 29 | .SH NAME |
| 1285ff3d | 30 | vhangup \- virtually hangup the current terminal |
| fea681da MK |
31 | .SH SYNOPSIS |
| 32 | .B #include <unistd.h> | |
| 68e4db0a | 33 | .PP |
| fea681da | 34 | .B int vhangup(void); |
| 68e4db0a | 35 | .PP |
| cc4615cc MK |
36 | .in -4n |
| 37 | Feature Test Macro Requirements for glibc (see | |
| 38 | .BR feature_test_macros (7)): | |
| 39 | .in | |
| 68e4db0a | 40 | .PP |
| cc4615cc MK |
41 | .ad l |
| 42 | .BR vhangup (): | |
| d0544534 MK |
43 | .nf |
| 44 | Since glibc 2.21: | |
| 45 | .\" commit 266865c0e7b79d4196e2cc393693463f03c90bd8 | |
| 46 | _DEFAULT_SOURCE | |
| 47 | In glibc 2.19 and 2.20: | |
| 48 | _DEFAULT_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE\ <\ 500) | |
| 49 | Up to and including glibc 2.19: | |
| 50 | _BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE\ <\ 500) | |
| 51 | .fi | |
| cc4615cc | 52 | .ad b |
| fea681da | 53 | .SH DESCRIPTION |
| e511ffb6 | 54 | .BR vhangup () |
| c13182ef MK |
55 | simulates a hangup on the current terminal. |
| 56 | This call arranges for other | |
| 1285ff3d | 57 | users to have a \*(lqclean\*(rq terminal at login time. |
| 47297adb | 58 | .SH RETURN VALUE |
| c13182ef MK |
59 | On success, zero is returned. |
| 60 | On error, \-1 is returned, and | |
| fea681da MK |
61 | .I errno |
| 62 | is set appropriately. | |
| 63 | .SH ERRORS | |
| 64 | .TP | |
| 65 | .B EPERM | |
| c13182ef | 66 | The calling process has insufficient privilege to call |
| e511ffb6 | 67 | .BR vhangup (); |
| fea681da MK |
68 | the |
| 69 | .B CAP_SYS_TTY_CONFIG | |
| 70 | capability is required. | |
| 47297adb | 71 | .SH CONFORMING TO |
| 8382f16d | 72 | This call is Linux-specific, and should not be used in programs |
| fea681da | 73 | intended to be portable. |
| 47297adb | 74 | .SH SEE ALSO |
| fe0960af MK |
75 | .BR init (1), |
| 76 | .BR capabilities (7) |