setpgrp(2)
NAME
setpgrp − set process group ID
SYNOPSIS
#include <sys/types.h>
#include <unistd.h>
pid_t setpgrp(void);
DESCRIPTION
If the calling process is not already a session leader, setpgrp() makes it one by setting its process group ID and session ID to the value of its process ID, and releases its controlling terminal. See intro(2) for more information on process group IDs and session leaders.
RETURN VALUES
setpgrp() returns the value of the new process group ID.
SEE ALSO
intro(2), exec(2), fork(2), getpid(2), getsid(2), kill(2), signal(3C)
NOTES
setpgrp() will be phased out in favor of the setsid () function.
SunOS 5.5/SPARC — Last change: 29 Jul 1991