libs/src/xlog/filelog.h

   1 /*
   2  * (c) Copyright 1992, 1993 by Panagiotis Tsirigotis
   3  * All rights reserved.  The file named COPYRIGHT specifies the terms
   4  * and conditions for redistribution.
   5  */
   6
   7
   8 /*
   9  * $Id: filelog.h,v 1.2 2003/03/09 19:29:21 steveg Exp $
  10  */
  11
  12 #ifndef __FILELOG_H
  13 #define __FILELOG_H
  14
  15 #include "impl.h"
  16
  17 /*
  18  * The file can be either open or closed.
  19  * When the file is closed, the state is always FL_CLOSED.
  20  * When the file is open, the state is:
  21  *              FL_OPEN:                        if everything is ok
  22  *              FL_SIZE:                        if the hard limit was exceeded
  23  *              FL_ERROR:               if an error occured
  24  */
  25 typedef enum { FL_CLOSED = 0, FL_OPEN, FL_SIZE, FL_ERROR } filelog_state_e ;
  26
  27 struct filelog_s
  28 {
  29         int                                     fl_fd ;
  30         filelog_state_e fl_state ;
  31         int                                     fl_error ;                              /* error code when in FL_ERROR          */
  32         bool_int                                fl_size_control ;               /* enabled or not                                                       */
  33         bool_int                                fl_issued_warning ;     /* when the soft limit was exceeded     */
  34         unsigned                        fl_size ;            /* current size                    */
  35         unsigned                                fl_soft_limit ;
  36         unsigned                                fl_hard_limit ;
  37 } ;
  38
  39 #define FILELOG_ENABLE_SIZE_CONTROL( flp )      (flp)->fl_size_control = TRUE
  40 #define FILELOG_DISABLE_SIZE_CONTROL( flp )     (flp)->fl_size_control = FALSE
  41 #define FILELOG_SIZE_CONTROL( flp )             ( (flp)->fl_size_control )
  42
  43 #define FILELOG( xp )                   ((struct filelog_s *)xp->xl_data)
  44
  45 #endif
  46