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65 lines
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65 lines
1.8 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "TCGETSID" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" tcgetsid
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.SH NAME
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tcgetsid \- get the process group ID for the session leader for the
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controlling terminal
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.SH SYNOPSIS
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.LP
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\fB#include <termios.h>
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.br
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.sp
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pid_t tcgetsid(int\fP \fIfildes\fP\fB); \fP
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\fB
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.br
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\fP
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.SH DESCRIPTION
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.LP
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The \fItcgetsid\fP() function shall obtain the process group ID of
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the session for which the terminal specified by
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\fIfildes\fP is the controlling terminal.
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.SH RETURN VALUE
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.LP
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Upon successful completion, \fItcgetsid\fP() shall return the process
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group ID associated with the terminal. Otherwise, a value
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of (\fBpid_t\fP)-1 shall be returned and \fIerrno\fP set to indicate
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the error.
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.SH ERRORS
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.LP
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The \fItcgetsid\fP() function shall fail if:
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.TP 7
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.B EBADF
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The \fIfildes\fP argument is not a valid file descriptor.
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.TP 7
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.B ENOTTY
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The calling process does not have a controlling terminal, or the file
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is not the controlling terminal.
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.sp
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.LP
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\fIThe following sections are informative.\fP
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.SH EXAMPLES
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.LP
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None.
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.SH APPLICATION USAGE
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.LP
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None.
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.SH RATIONALE
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.LP
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None.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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The Base Definitions volume of IEEE\ Std\ 1003.1-2001, \fI<termios.h>\fP
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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