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Annotation of 43BSDTahoe/man/man2/killpg.2, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)killpg.2    6.3 (Berkeley) 5/14/86
                      6: .\"
                      7: .TH KILLPG 2 "May 14, 1986"
                      8: .UC 4
                      9: .SH NAME
                     10: killpg \- send signal to a process group
                     11: .SH SYNOPSIS
                     12: .ft B
                     13: killpg(pgrp, sig)
                     14: .br
                     15: int pgrp, sig;
                     16: .ft R
                     17: .SH DESCRIPTION
                     18: .I Killpg
                     19: sends the signal
                     20: .I sig
                     21: to the process group
                     22: .IR pgrp .
                     23: See
                     24: .IR sigvec (2)
                     25: for a list of signals.
                     26: .PP
                     27: The sending process and members of the process group must
                     28: have the same effective user ID, or
                     29: the sender must be the super-user.
                     30: As a single special case the continue signal SIGCONT may be sent
                     31: to any process that is a descendant of the current process.
                     32: .SH "RETURN VALUE
                     33: Upon successful completion, a value of 0 is returned.  Otherwise,
                     34: a value of \-1 is returned and the global variable \fIerrno\fP
                     35: is set to indicate the error.
                     36: .SH "ERRORS
                     37: \fIKillpg\fP will fail and no signal will be sent if any of the
                     38: following occur:
                     39: .TP 15
                     40: [EINVAL]
                     41: \fISig\fP is not a valid signal number.
                     42: .TP 15
                     43: [ESRCH]
                     44: No process can be found in the process group specified by \fIpgrp\fP.
                     45: .TP 15
                     46: [ESRCH]
                     47: The process group was given as 0
                     48: but the sending process does not have a process group.
                     49: .TP 15
                     50: [EPERM]
                     51: The sending process is not the super-user and one or more
                     52: of the target processes has an effective user ID different from that
                     53: of the sending process.
                     54: .SH "SEE ALSO"
                     55: kill(2), getpgrp(2), sigvec(2)

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