PROLOG | NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | EXAMPLES | APPLICATION USAGE | RATIONALE | FUTURE DIRECTIONS | SEE ALSO | COPYRIGHT 

TCGETSID(3P)              POSIX Programmer's Manual             TCGETSID(3P)

PROLOG         top

       This manual page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the
       corresponding Linux manual page for details of Linux behavior), or
       the interface may not be implemented on Linux.

NAME         top

       tcgetsid — get the process group ID for the session leader for the
       controlling terminal

SYNOPSIS         top

       #include <termios.h>
       pid_t tcgetsid(int fildes);

DESCRIPTION         top

       The tcgetsid() function shall obtain the process group ID of the
       session for which the terminal specified by fildes is the controlling
       terminal.

RETURN VALUE         top

       Upon successful completion, tcgetsid() shall return the process group
       ID of the session associated with the terminal. Otherwise, a value of
       −1 shall be returned and errno set to indicate the error.

ERRORS         top

       The tcgetsid() function shall fail if:
       EBADF  The fildes argument is not a valid file descriptor.
       ENOTTY The calling process does not have a controlling terminal, or
              the file is not the controlling terminal.
       The following sections are informative.

EXAMPLES         top

       None.

APPLICATION USAGE         top

       None.

RATIONALE         top

       None.

FUTURE DIRECTIONS         top

       None.

SEE ALSO         top

       The Base Definitions volume of POSIX.1‐2008, termios.h(0p)

COPYRIGHT         top

       Portions of this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information
       Technology -- Portable Operating System Interface (POSIX), The Open
       Group Base Specifications Issue 7, Copyright (C) 2013 by the
       Institute of Electrical and Electronics Engineers, Inc and The Open
       Group.  (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1
       applied.) In the event of any discrepancy between this version and
       the original IEEE and The Open Group Standard, the original IEEE and
       The Open Group Standard is the referee document. The original
       Standard can be obtained online at http://www.unix.org/online.html .
       Any typographical or formatting errors that appear in this page are
       most likely to have been introduced during the conversion of the
       source files to man page format. To report such errors, see
       https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE/The Open Group                 2013                        TCGETSID(3P)

Pages that refer to this page: termios.h(0p)