procset man page on DigitalUNIX

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procset(4)							    procset(4)

NAME
       procset.h - Send a signal to one or more processes

SYNOPSIS
       typedef struct procset {
	       idop_t  *p_op;
	       idtype_t p_lidtype;
	       id_t	p_lid;
	       idtype_t p_ridtype;
	       id_t	p_rid; } procset_t;

DESCRIPTION
       The  contents  of the <procset.h> structure define a set of target pro‐
       cesses based on logical operations performed on the two sets of	poten‐
       tial  target  processes indicated by the two pairs of id + type parame‐
       ters, which designate "left" and "right" groups of processes.  The log‐
       ical  operations supported are the union, intersection, difference, and
       exclusive OR of the left and right groups.

       The p_lid and p_lidtype members define one set of potential target pro‐
       cesses,	the  "left"  set.   The p_rid and p_ridtype members define the
       "right" set of  potential  target  processes.   These  parameters  work
       together to select the target process or processes.

       The  value  of  p_op is used to combine these two groups into the final
       group of actual target processes: Specifies that the  target  group  of
       processes  consist  of the remaining processes in the left set that are
       not common to the right set.  Specifies that the target group  consists
       of  those  processes  that are in both sets.  Specifies that the target
       group consists of those processes that are in either set,  or  in  both
       sets.  Specifies that the target group consists of those processes that
       are in either set, but not in both sets.

RELATED INFORMATION
       Functions: priocntlset(2), sigsend(2).

       Files: signal.h(4).  delim off

								    procset(4)
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