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:

SEE ALSO

attributes(5), termio(7I)

SunOS 5.6  —  Last change: 29 Dec 1996