From 399644e47874bff147afb19c89228901ac39340e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:40:15 +0200 Subject: Adding upstream version 6.05.01. Signed-off-by: Daniel Baumann --- man3/tcgetsid.3 | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 man3/tcgetsid.3 (limited to 'man3/tcgetsid.3') diff --git a/man3/tcgetsid.3 b/man3/tcgetsid.3 new file mode 100644 index 0000000..4fb349c --- /dev/null +++ b/man3/tcgetsid.3 @@ -0,0 +1,74 @@ +'\" t +.\" Copyright (C) 2002 Andries Brouwer +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH tcgetsid 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +tcgetsid \- get session ID +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.BR "#define _XOPEN_SOURCE 500" " /* See feature_test_macros(7) */" +.B "#include " +.PP +.BI "pid_t tcgetsid(int " fd ); +.fi +.SH DESCRIPTION +The function +.BR tcgetsid () +returns the session ID of the current session that has the +terminal associated to +.I fd +as controlling terminal. +This terminal must be the controlling terminal of the calling process. +.SH RETURN VALUE +When +.I fd +refers to the controlling terminal of our session, +the function +.BR tcgetsid () +will return the session ID of this session. +Otherwise, \-1 is returned, and +.I errno +is set to indicate the error. +.SH ERRORS +.TP +.B EBADF +.I fd +is not a valid file descriptor. +.TP +.B ENOTTY +The calling process does not have a controlling terminal, or +it has one but it is not described by +.IR fd . +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR tcgetsid () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +glibc 2.1. +POSIX.1-2001. +.PP +This function is implemented via the +.B TIOCGSID +.BR ioctl (2), +present +since Linux 2.1.71. +.SH SEE ALSO +.BR getsid (2) -- cgit v1.2.3