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tcgetsid(3c) [opensolaris man page]

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)

Check Out this Related Man Page

TCGETSID(3)						     Linux Programmer's Manual						       TCGETSID(3)

NAME
tcgetsid - get session ID SYNOPSIS
#define _XOPEN_SOURCE 500 #include <termios.h> pid_t tcgetsid(int fd); DESCRIPTION
The function tcgetsid() returns the session ID of the current session that has the terminal associated to fd as controlling terminal. This terminal must be the controlling terminal of the calling process. RETURN VALUE
When fd refers to the controlling terminal of our session, the function tcgetsid() will return the session ID of this session. Otherwise, -1 is returned, and errno is set appropriately. ERRORS
EBADF fd is not a valid file descriptor. ENOTTY The calling process does not have a controlling terminal, or it has one but it is not described by fd. VERSIONS
tcgetsid() is provided in glibc since version 2.1. CONFORMING TO
POSIX.1-2001. NOTES
This function is implemented via the TIOCGSID ioctl(2), present since Linux 2.1.71. SEE ALSO
getsid(2) COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
2008-06-14 TCGETSID(3)
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