tcgetsid(3p) - phpMan

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

PROLOG
       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
       tcgetsid - get the process group ID for the session leader for the con-
       trolling terminal
SYNOPSIS
       #include <termios.h>
       pid_t tcgetsid(int fildes);

DESCRIPTION
       The  tcgetsid()  function shall obtain the process group ID of the ses-
       sion for which the terminal specified by fildes is the controlling ter-
       minal.
RETURN VALUE
       Upon  successful  completion, tcgetsid() shall return the process group
       ID associated with the terminal. Otherwise, a value of (pid_t)-1  shall
       be returned and errno set to indicate the error.
ERRORS
       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
       None.
APPLICATION USAGE
       None.
RATIONALE
       None.
FUTURE DIRECTIONS
       None.
SEE ALSO
       The Base Definitions volume of IEEE Std 1003.1-2001, <termios.h>
COPYRIGHT
       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
       Electrical and Electronics Engineers, Inc and The Open  Group.  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.opengroup.org/unix/online.html .

IEEE/The Open Group                  2003                         TCGETSID(3P)