setgroups man page on HP-UX

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setgroups(2)							  setgroups(2)

       setgroups - set group access list

       sets the group access list of the current user process according to the
       array gidset.  The parameter ngroups indicates the number of entries in
       the array and must be no more than

       Only  a	user  with  the	 privilege can set new groups by adding to the
       group access list of the current user  process;	any  user  can	delete
       groups from it.

   Security Restrictions
       Some or all of the actions associated with this system call require the
       privilege.  Processes owned by the superuser have this privilege.  Pro‐
       cesses  owned by other users may have this privilege, depending on sys‐
       tem configuration.  See privileges(5) for more information about privi‐
       leged access on systems that support fine-grained privileges.

       Upon successful completion, returns 0; otherwise it returns −1 and sets
       to indicate the error.

       fails if any of the following conditions are encountered:

	      The caller     is	 not  a	 user  with  the  privilege  and   has
			     attempted to set new groups.

	      The address specified for
			     gidset is outside the process address space.  The
			     reliable detection of this error  is  implementa‐
			     tion dependent.

	      ngroups	     is greater than or not positive.

	      An entry in    gidset is not a valid group ID.

       was developed by the University of California, Berkeley.

       getgroups(2), initgroups(3C), privileges(5).


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