NAME

       killpg — send signal to a process group

LIBRARY

       Standard C Library (libc, -lc)

SYNOPSIS

       #include <sys/types.h>
       #include <signal.h>

       int
       killpg(pid_t pgrp, int sig);

DESCRIPTION

       The  killpg()  function  sends  the signal sig to the process group pgrp.  See sigaction(2) for a list of
       signals.  If pgrp is 0, killpg() sends the signal to the sending process's process group.

       The sending process must be able to kill() at least one process in the receiving process group.

RETURN VALUES

       The killpg() function returns the value 0 if successful; otherwise the  value  -1  is  returned  and  the
       global variable errno is set to indicate the error.

ERRORS

       The killpg() function will fail and no signal will be sent if:

       [EINVAL]           The sig argument is not a valid signal number.

       [ESRCH]            No process can be found in the process group specified by pgrp.

       [EPERM]            kill() returns EPERM for all processes in the process group.

SEE ALSO

       getpgrp(2), kill(2), sigaction(2)

HISTORY

       The killpg() function appeared in 4.0BSD.

Debian                                           March 15, 2012                                        KILLPG(2)