1TCGETSID(P) POSIX Programmer's Manual TCGETSID(P)
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6 tcgetsid - get the process group ID for the session leader for the con‐
7 trolling terminal
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10 #include <termios.h>
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12 pid_t tcgetsid(int fildes);
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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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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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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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37 None.
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40 None.
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43 None.
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46 None.
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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)