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Diffstat (limited to 'man3/killpg.3')
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diff --git a/man3/killpg.3 b/man3/killpg.3 new file mode 100644 index 000000000..0a477c022 --- /dev/null +++ b/man3/killpg.3 @@ -0,0 +1,73 @@ +.\" (c) 1993 by Thomas Koenig (ig25@rz.uni-karlsruhe.de) +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of this +.\" manual under the conditions for verbatim copying, provided that the +.\" entire resulting derived work is distributed under the terms of a +.\" permission notice identical to this one. +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date. The author(s) assume no +.\" responsibility for errors or omissions, or for damages resulting from +.\" the use of the information contained herein. The author(s) may not +.\" have taken the same level of care in the production of this manual, +.\" which is licensed free of charge, as they might when working +.\" professionally. +.\" +.\" Formatted or processed versions of this manual, if unaccompanied by +.\" the source, must acknowledge the copyright and authors of this work. +.\" License. +.\" Modified Sat Jul 24 19:04:55 1993 by Rik Faith (faith@cs.unc.edu) +.TH KILLPG 3 1993-04-04 "GNU" "Linux Programmer's Manual" +.SH NAME +killpg \- send signal to all members of a process group +.SH SYNOPSIS +.nf +.B #include <signal.h> +.sp +.BI "int killpg(pid_t " pgrp ", int " signal ); +.fi +.SH DESCRIPTION +The +.B killpg() +function causes signal +.I signal +to be sent to all the processes in the process group +.I pgrp +or to the processes' own process group if +.I pgrp +is equal to zero. +.PP +If +.I pgrp +is greater than 1, it is equivalent to +.nf +.sp +.BI kill(- pgrp , signal ); +.fi +.SH "RETURN VALUE" +The value returned is \-1 on error, or 0 for success. +.SH ERRORS +Errors are returned in +.I errno +and can be one of the following: +.TP +.B EINVAL +for an invalid signal, +.TP +.B 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. +.TP +.B ESRCH +for a process group which does not exist, and +.SH "CONFORMING TO" +POSIX +.SH "SEE ALSO" +.BR kill (2), +.BR signal (2), +.BR signal (7) |