setpgrp man page on NeXTSTEP

setpgrp man page on NeXTSTEP

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SETPGRP(2)							    SETPGRP(2)

NAME
       setpgrp - set process group

SYNOPSIS
       setpgrp(pid, pgrp)
       int pid, pgrp;

DESCRIPTION
       Setpgrp	sets  the  process  group  of the specified process pid to the
       specified pgrp.	If pid is zero, then the call applies to  the  current
       process.

       If  the	invoker	 is not the super-user, then the affected process must
       have the same effective user-id as the invoker or be  a	descendant  of
       the invoking process.

RETURN VALUE
       Setpgrp	returns	 when  the  operation  was successful.	If the request
       failed, -1 is returned and the  global  variable	 errno	indicates  the
       reason.

ERRORS
       Setpgrp	will  fail and the process group will not be altered if one of
       the following occur:

       [ESRCH]	      The requested process does not exist.

       [EPERM]	      The effective  user  ID  of  the	requested  process  is
		      different from that of the caller and the process is not
		      a descendent of the calling process.

SEE ALSO
       getpgrp(2)

4th Berkeley Distribution	  May 9, 1985			    SETPGRP(2)

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