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Man Pages


Manual Reference Pages  -  KILLPG (2)

NAME

killpg - send signal to a process group

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
History

LIBRARY


.Lb libc

SYNOPSIS


.In sys/types.h
.In 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


.Rv -std killpg

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 BSD 4.0 .
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