tcgetsid(3) [mojave man page]

tcgetsid(3)						   BSD Library Functions Manual 					       tcgetsid(3)

NAME

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

SYNOPSIS

     #include <termios.h>

     pid_t
     tcgetsid(int fildes);

DESCRIPTION

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

RETURN VALUES

     Upon successful completion, tcgetsid() returns the process group ID associated with the terminal.	Otherwise, a value of (pid_t)-1 is
     returned and errno is set to indicate the error.

ERRORS

     The tcgetsid() function will fail if:

     [EACCES]		The fildes argument is not associated with a controlling terminal.

     [EBADF]		The fildes argument is not a valid file descriptor.

     [ENOTTY]		The file associated with fildes is not a terminal.

SEE ALSO

     getsid(2), setpgid(2), setsid(2), tcgetpgrp(3), termios(4)

STANDARDS

     The tcgetsid() function conforms to IEEE Std 1003.1-2001 (``POSIX.1'').

BSD
								 December 20, 2003							       BSD

tcgetsid(3C)						   Standard C Library Functions 					      tcgetsid(3C)

NAME

       tcgetsid - get process group ID for session leader for controlling terminal

SYNOPSIS

       #include <termios.h>

       pid_t tcgetsid(int fildes);

DESCRIPTION

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

RETURN VALUES

       Upon  successful  completion,  tcgetsid()  returns  the	process group ID associated with the terminal.	Otherwise, a value of (pid_t)-1 is
       returned and errno is set to indicate the error.

ERRORS

       The tcgetsid() function will fail if:

       EACCES	 The fildes argument is not associated with a controlling terminal.

       EBADF	 The fildes argument is not a valid file descriptor.

       ENOTTY	 The file associated with fildes is not a terminal.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5), standards(5), termio(7I)

SunOS 5.11							    14 Aug 2002 						      tcgetsid(3C)