Set the effective group ID of the calling process
to integer. Not available on all platforms.
/*
* call-seq:
* Process::Sys.setegid(integer) => nil
*
* Set the effective group ID of the calling process to
* _integer_. Not available on all platforms.
*
*/
static VALUE
p_sys_setegid(obj, id)
VALUE obj, id;
{
#if defined HAVE_SETEGID
check_gid_switch();
if (setegid(NUM2INT(id)) != 0) rb_sys_fail(0);
#else
rb_notimplement();
#endif
return Qnil;
}