Standard C Library Functions                         tcgetsid(3C)



NAME
     tcgetsid - get process group ID for session leader for  con-
     trolling terminal

SYNOPSIS
     #include 

     pidt 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 (pidt)-1 is returned and errno is set  to  indicate  the
     error.

ERORS
     The tcgetsid() function will fail if:

     EACES    The fildes argument is not associated with a  con-
               trolling terminal.


     EBADF     The fildes argument is not a valid  file  descrip-
               tor.


     ENOTY    The file associated with fildes is not a terminal.


ATRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:

















SunOS 5.11          Last change: 14 Aug 2002                    1






Standard C Library Functions                         tcgetsid(3C)



     
           ATRIBUTE TYPE               ATRIBUTE VALUE       
    
     Interface Stability          Standard                    
    
     MT-Level                     MT-Safe                     
    


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












































SunOS 5.11          Last change: 14 Aug 2002                    2