opensolaris man page for tcgetsid

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)