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KILLPG
!!!KILLPG
NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
CONFORMING TO
SEE ALSO
----
!!NAME


killpg - send signal to all members of a process group.
!!SYNOPSIS


__#include
__ ''pidgrp''__, int__ ''signal''__);
__
!!DESCRIPTION


The __killpg()__ function causes signal ''signal'' to
be sent to all the processes in the process group
''pidgrp'' or to the processes' own process group if
''pidgrp'' is equal to zero.


It is equivalent to


__kill(-__''pidgrp''__,__''signal''__);
__
!!RETURN VALUE


The value returned is -1 on error, or 0 for
success.
!!ERRORS


Errors are returned in ''errno'' and can be one of the
following:


__EINVAL__


for an invalid signal,


__ESRCH__


for a process group which does not exist, and


__EPERM__


if the userid of the calling process is not equal to that of
the process the signal is sent to, and the userid is not
that of the superuser.
!!CONFORMING TO


???
!!SEE ALSO


kill(2), signal(2),
signal(7)
----

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Last edited on Tuesday, June 4, 2002 12:24:26 am by "perry"

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