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KILLPG (3) | C library functions | Unix Manual Pages | :man

NAME

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

CONTENTS

Synopsis
Description
Errors

SYNOPSIS



#include <signal.h>



"int killpg(pid_t "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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