05-25-2009
$! will never be lesser or equal 0
when the process is finished, the variable $! with the process id remains set
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LEARN ABOUT HPUX
setpgrp3
setpgrp3(2) System Calls Manual setpgrp3(2)
NAME
setpgrp3 - create session and set process group ID; for HP-UX 9.x compatibility.
SYNOPSIS
DESCRIPTION
If the calling process is not a process group leader, creates a new session. The calling process becomes the session leader of this new
session, it becomes the process group leader of a new process group, and it has no controlling terminal. The process group ID of the call-
ing process is set equal to the process ID of the calling process. The calling process is the only process in the new process group, and
the only process in the new session.
function is provided for HP-UX compatibility in future releases. is functionally equivalent to as provided in HP-UX 9.x.
RETURN VALUE
Upon successful completion, returns the value of the process group ID of the calling process. Otherwise, it returns a value of and sets to
indicate the error.
ERRORS
No errors are defined.
WARNINGS
Obsolescent Interfaces
is to be obsoleted at a future date.
AUTHOR
was developed by HP.
SEE ALSO
exec(2), exit(2), fork(2), getpid(2), kill(2), setpgid(2), setpgrp(2), setsid(2), signal(2), termio(7).
TO BE OBSOLETED setpgrp3(2)