lwp-take-insque-internal-20021028
[openafs.git] / 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();
34 void TM_Insert();
35 extern struct TM_Elem *TM_GetExpired();
36 extern struct TM_Elem *TM_GetEarliest();
37 #endif
38
39 extern int TM_Final();
40
41 #define FOR_ALL_ELTS(var, list, body)\
42         {\
43             register struct TM_Elem *_LIST_, *var, *_NEXT_;\
44             _LIST_ = (list);\
45             for (var = _LIST_ -> Next; var != _LIST_; var = _NEXT_) {\
46                 _NEXT_ = var -> Next;\
47                 body\
48             }\
49         }