KILLPG(3) Linux Programmer's Manual KILLPG(3)
NAME
killpg(2,3) - send(2,n) signal(2,7) to all members of a process group
SYNOPSIS
#include <signal.h>
int killpg(2,3)(pid_t pgrp, int signal(2,7));
DESCRIPTION
The killpg(2,3)() function causes signal(2,7) signal(2,7) to be sent to all the pro-
cesses in(1,8) the process group pgrp or to the processes' own process group
if(3,n) pgrp is equal to zero.
If pgrp is greater than 1, it is equivalent to
kill(1,2,1 builtins)(-pgrp,signal(2,7));
RETURN VALUE
The value returned is -1 on error(8,n), or 0 for success.
ERRORS
Errors are returned in(1,8) errno and can be one of the following:
EINVAL for an invalid signal(2,7),
EPERM if(3,n) the userid of the calling process is not equal to that of the
process the signal(2,7) is sent to, and the userid is not that of the
superuser.
ESRCH for a process group which does not exist, and
CONFORMING TO
POSIX
SEE ALSO
kill(1,2,1 builtins)(2), signal(2,7)(2), signal(2,7)(7)
GNU 1993-04-04 KILLPG(3)