GETLCID(2) BSD System Calls Manual GETLCID(2)NAME
getlcid -- get login context
SYNOPSIS
#include <sys/lctx.h>
pid_t
getlcid(pid_t pid);
DESCRIPTION
The login context of the process identified by pid is returned by getlcid(). If pid is zero, getlcid() returns the login context of the cur-
rent process.
Login contexts are used for tracking processes that originated from a users login session. A login context is inherited via fork() or by
explicit creation using the setlcid() call.
RETURN VALUES
If successful, getlcid() returns a non-negative integer, the Login Context ID; otherwise the value -1 is returned and the global variable
errno is set to indicate the error.
ERRORS
The getlcid() function will fail if:
[EPERM] Operation not permitted.
[ESRCH] No such process.
[ENOATTR] Attribute not found.
SEE ALSO setlcid(2)HISTORY
The getlcid manual page first appeared in FreeBSD 6.0.
AUTHORS
This manual page was written by Matthew N. Dodd <mdodd@FreeBSD.org>.
BSD May 5, 2005 BSD
Check Out this Related Man Page
GETSID(2) BSD System Calls Manual GETSID(2)NAME
getsid -- get process session
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <unistd.h>
pid_t
getsid(pid_t pid);
DESCRIPTION
The session ID of the process identified by pid is returned by getsid(). If pid is zero, getsid() returns the session ID of the current
process.
RETURN VALUES
Upon successful completion, the function getsid() returns the session ID of the specified process; otherwise, it returns a value of -1 and
sets errno to indicate an error.
ERRORS
The getsid() system call will fail if:
[ESRCH] There is no process with a process ID equal to pid.
Note that an implementation may restrict this function call to processes within the same session ID as the calling process.
SEE ALSO getpgid(2), getpgrp(2), setpgid(2), setsid(2), termios(4)HISTORY
The getsid() function call appeared in FreeBSD 3.0. The getsid() function call is derived from its usage in AT&T System V UNIX.
BSD August 19, 1997 BSD
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