blob: f54c058d7643d99006e45624191aa4cd82f4d826 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 2015 EZchip Semiconductor Ltd.
* Copyright (c) 2015-2018 Linaro Limited
*/
#ifndef _ODP_INT_TIMER_WHEEL_H_
#define _ODP_INT_TIMER_WHEEL_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
typedef uint64_t _odp_timer_wheel_t;
#define _ODP_INT_TIMER_WHEEL_INVALID 0
_odp_timer_wheel_t _odp_timer_wheel_create(uint32_t max_concurrent_timers,
void *tm_system);
void _odp_timer_wheel_start(_odp_timer_wheel_t timer_wheel,
uint64_t current_time);
/* _odp_int_timer_wheel_curr_time_update should be called before the first
* call to _odp_int_timer_wheel_insert, _odp_int_timer_wheel_next, etc..
* It returns > 0 if there are timers expired.
*/
uint32_t _odp_timer_wheel_curr_time_update(_odp_timer_wheel_t timer_wheel,
uint64_t current_time);
/* Maximum wakeup_time is 100 seconds in the future (though a wakeup time
* greater than a dozen seconds or so is of questionable value), and in
* addition the wakeup_time MUST represent a time in the future. Note that
* the user_ptr cannot be NULL and must be aligned to an 4-byte boundary
* (i.e. the bottom 2 bits of this ptr must be 0). AGAIN THIS MUST BE
* STRESSED - user_ptr is not an arbitrary 64-bit pointer, BUT MUST be
* non-zero and have its bottom two bits being 0!
*/
int _odp_timer_wheel_insert(_odp_timer_wheel_t timer_wheel,
uint64_t wakeup_time,
uint64_t user_context);
/* Returns the exact same user_ptr value as was passed to
* _odp_int_timer_wheel_insert().
*/
uint64_t _odp_timer_wheel_next_expired(_odp_timer_wheel_t timer_wheel);
/* Returns the number of timers that have been inserted but not yet passed
* back to the user. This number includes the number of timers that have
* internally expired and are in the expired list, but have not yet been
* retrieved via an odp_timer_wheel_next_expired call.
*/
uint32_t _odp_timer_wheel_count(_odp_timer_wheel_t timer_wheel);
void _odp_timer_wheel_stats_print(_odp_timer_wheel_t timer_wheel);
void _odp_timer_wheel_destroy(_odp_timer_wheel_t timer_wheel);
#ifdef __cplusplus
}
#endif
#endif
|
