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tcgetsid(3p) — Linux manual page

TCGETSID(3P)            POSIX Programmer's ManualTCGETSID(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(intfildes);

DESCRIPTION        top

       Thetcgetsid() function shall obtain the process group ID of the       session for which the terminal specified byfildes 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 anderrno set to indicate the error.

ERRORS        top

       Thetcgetsid() function shall fail if:EBADFThefildes argument is not a valid file descriptor.ENOTTYThe 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.1‐2017,termios.h(0p)

COPYRIGHT        top

       Portions of this text are reprinted and reproduced in electronic       form from IEEE Std 1003.1-2017, Standard for Information       Technology -- Portable Operating System Interface (POSIX), The       Open Group Base Specifications Issue 7, 2018 Edition, Copyright       (C) 2018 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 athttp://www.opengroup.org/unix/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, seehttps://www.kernel.org/doc/man-pages/reporting_bugs.html .IEEE/The Open Group                2017TCGETSID(3P)

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

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