1TCGETSID(P)                POSIX Programmer's Manual               TCGETSID(P)
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NAME

6       tcgetsid - get the process group ID for the session leader for the con‐
7       trolling terminal
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SYNOPSIS

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

16       The tcgetsid() function shall obtain the process group ID of  the  ses‐
17       sion for which the terminal specified by fildes is the controlling ter‐
18       minal.
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RETURN VALUE

21       Upon successful completion, tcgetsid() shall return the  process  group
22       ID  associated with the terminal. Otherwise, a value of (pid_t)-1 shall
23       be returned and errno set to indicate the error.
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ERRORS

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

37       None.
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APPLICATION USAGE

40       None.
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RATIONALE

43       None.
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FUTURE DIRECTIONS

46       None.
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SEE ALSO

49       The Base Definitions volume of IEEE Std 1003.1-2001, <termios.h>
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52       Portions  of  this text are reprinted and reproduced in electronic form
53       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
54       --  Portable  Operating  System  Interface (POSIX), The Open Group Base
55       Specifications Issue 6, Copyright (C) 2001-2003  by  the  Institute  of
56       Electrical  and  Electronics  Engineers, Inc and The Open Group. In the
57       event of any discrepancy between this version and the original IEEE and
58       The  Open Group Standard, the original IEEE and The Open Group Standard
59       is the referee document. The original Standard can be  obtained  online
60       at http://www.opengroup.org/unix/online.html .
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64IEEE/The Open Group                  2003                          TCGETSID(P)
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