setsid
Hurricane Electric Internet Services
NAME
setsid - creates a session and sets the process group ID
SYNOPSIS
#include <unistd.h>
pid_t setsid(void);
DESCRIPTION
setsid() creates a new session if the calling process is
not a process group leader. The calling process is the
leader of the new session, the process group leader if the
new process group, and has no controlling tty. The pro-
cess group ID of the calling process is set to the PID of
the calling process. The calling process will be the only
process in this new process group and in this new session.
RETURN VALUE
The process group ID of the calling process.
ERRORS
On error, -1 will be returned. The only error which can
happen is EPERM.
CONFORMING TO
POSIX
SEE ALSO
setpgid(2)
Hurricane Electric Internet Services
Copyright (C) 1998
Hurricane Electric.
All Rights Reserved.