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RedHat 9 (Linux i386) - man page for killpg (redhat section 3)

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

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

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)

GNU					    1993-04-04					KILLPG(3)


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