src/lwp/timer.h

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 /*******************************************************************\
  11 *                                                                   *
  12 *       Information Technology Center                               *
  13 *       Carnegie-Mellon University                                  *
  14 *                                                                   *
  15 *                                                                   *
  16 \*******************************************************************/
  17
  18 struct TM_Elem {
  19     struct TM_Elem *Next;       /* filled by package */
  20     struct TM_Elem *Prev;       /* filled by package */
  21     struct timeval TotalTime;   /* filled in by caller -- modified by package */
  22     struct timeval TimeLeft;    /* filled by package */
  23     char *BackPointer;          /* filled by caller, not interpreted by package */
  24 };
  25
  26 void openafs_insque(struct TM_Elem *elementp, struct TM_Elem *quep);
  27 void openafs_remque(struct TM_Elem *elementp);
  28 extern int TM_eql(struct timeval *t1, struct timeval *t2);
  29
  30 #ifndef _TIMER_IMPL_
  31 #define Tm_Insert(list, elem) openafs_insque(list, elem)
  32 #define TM_Remove(list, elem) openafs_remque(elem)
  33 extern int TM_Rescan(struct TM_Elem *tlist);
  34 void TM_Insert(struct TM_Elem *tlistPtr, struct TM_Elem *elem);
  35 extern struct TM_Elem *TM_GetExpired(struct TM_Elem *tlist);
  36 extern struct TM_Elem *TM_GetEarliest(struct TM_Elem *tlist);
  37 #endif
  38
  39 extern int TM_Init(struct TM_Elem **list);
  40 extern int TM_Final(struct TM_Elem **list);
  41
  42 #define FOR_ALL_ELTS(var, list, body)\
  43         {\
  44             struct TM_Elem *_LIST_, *var, *_NEXT_;\
  45             _LIST_ = (list);\
  46             for (var = _LIST_ -> Next; var != _LIST_; var = _NEXT_) {\
  47                 _NEXT_ = var -> Next;\
  48                 body\
  49             }\
  50         }