source: libcfa/src/concurrency/alarm.hfa

Last change on this file was e84ab3d, checked in by Thierry Delisle <tdelisle@…>, 5 months ago

Step 1 of changing $thread to thread$

  • Property mode set to 100644
File size: 2.3 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// alarm.hfa --
8//
9// Author           : Thierry Delisle
10// Created On       : Fri Jun 2 11:31:25 2017
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Mon Mar 26 16:25:41 2018
13// Update Count     : 11
14//
15
16#pragma once
17
18#include <stdbool.h>
19#include <stdint.h>
20
21#include <assert.h>
22
23#include "time.hfa"
24
25#include "containers/list.hfa"
26
27struct thread$;
28struct processor;
29
30//=============================================================================================
31// Clock logic
32//=============================================================================================
33
34Time __kernel_get_time();
35void __kernel_set_timer( Duration alarm );
36
37//=============================================================================================
38// Alarm logic
39//=============================================================================================
40
41enum alarm_type{ Kernel = 0, User = 1, Callback = 2 };
42
43struct alarm_node_t;
44
45typedef void (*Alarm_Callback)(alarm_node_t & );
46
47struct alarm_node_t {
48        Duration initial;       // time when alarm goes off
49        Duration period;        // if > 0 => period of alarm
50
51        inline dlink(alarm_node_t);
52
53        union {
54                thread$ * thrd;                 // thrd who created event
55                processor * proc;                       // proc who created event
56                Alarm_Callback callback;        // callback to handle event
57        };
58
59        Time timeval;           // actual time at which the alarm goes off
60        enum alarm_type type;   // true if this is not a user defined alarm
61        bool set                :1;     // whether or not the alarm has be registered
62};
63P9_EMBEDDED( alarm_node_t, dlink(alarm_node_t) )
64
65void ?{}( alarm_node_t & this, thread$ * thrd, Duration alarm, Duration period );
66void ?{}( alarm_node_t & this, processor * proc, Duration alarm, Duration period );
67void ?{}( alarm_node_t & this, Alarm_Callback callback, Duration alarm, Duration period );
68void ^?{}( alarm_node_t & this );
69
70typedef dlist(alarm_node_t) alarm_list_t;
71
72void insert( alarm_list_t * this, alarm_node_t * n );
73alarm_node_t * pop( alarm_list_t * this );
74
75void register_self  ( alarm_node_t * this );
76void unregister_self( alarm_node_t * this );
77
78// Local Variables: //
79// mode: c //
80// tab-width: 6 //
81// End: //
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