1KILLPG(3)                  Linux Programmer's Manual                 KILLPG(3)
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NAME

6       killpg - send signal to all members of a process group
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SYNOPSIS

9       #include <signal.h>
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11       int killpg(pid_t pgrp, int signal);
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DESCRIPTION

14       The  killpg()  function causes signal signal to be sent to all the pro‐
15       cesses in the process group pgrp or to the processes' own process group
16       if pgrp is equal to zero.
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18       If pgrp is greater than 1, it is equivalent to
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20       kill(-pgrp,signal);
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RETURN VALUE

23       The value returned is -1 on error, or 0 for success.
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ERRORS

26       Errors are returned in errno and can be one of the following:
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28       EINVAL for an invalid signal,
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30       EPERM  if the userid of the calling process is not equal to that of the
31              process the signal is sent to, and the userid is not that of the
32              superuser.
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34       ESRCH  for a process group which does not exist, and
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CONFORMING TO

37       SUSv2, POSIX.1-2001
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SEE ALSO

40       kill(2), signal(2), sigqueue(2), signal(7)
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44GNU                               1993-04-04                         KILLPG(3)
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