Rev 2106 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2001-2004 Jakub Jermar |
1 | jermar | 3 | * All rights reserved. |
4 | * |
||
5 | * Redistribution and use in source and binary forms, with or without |
||
6 | * modification, are permitted provided that the following conditions |
||
7 | * are met: |
||
8 | * |
||
9 | * - Redistributions of source code must retain the above copyright |
||
10 | * notice, this list of conditions and the following disclaimer. |
||
11 | * - Redistributions in binary form must reproduce the above copyright |
||
12 | * notice, this list of conditions and the following disclaimer in the |
||
13 | * documentation and/or other materials provided with the distribution. |
||
14 | * - The name of the author may not be used to endorse or promote products |
||
15 | * derived from this software without specific prior written permission. |
||
16 | * |
||
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
27 | */ |
||
28 | |||
1731 | jermar | 29 | /** @addtogroup time |
1702 | cejka | 30 | * @{ |
31 | */ |
||
32 | /** @file |
||
33 | */ |
||
34 | |||
1881 | jermar | 35 | #ifndef KERN_TIMEOUT_H_ |
36 | #define KERN_TIMEOUT_H_ |
||
1 | jermar | 37 | |
38 | #include <arch/types.h> |
||
2103 | decky | 39 | #include <adt/list.h> |
40 | #include <cpu.h> |
||
1 | jermar | 41 | |
2103 | decky | 42 | typedef void (* timeout_handler_t)(void *arg); |
43 | |||
44 | typedef struct { |
||
45 | SPINLOCK_DECLARE(lock); |
||
46 | |||
2106 | jermar | 47 | /** Link to the list of active timeouts on THE->cpu */ |
48 | link_t link; |
||
49 | /** Timeout will be activated in this amount of clock() ticks. */ |
||
50 | uint64_t ticks; |
||
51 | /** Function that will be called on timeout activation. */ |
||
52 | timeout_handler_t handler; |
||
53 | /** Argument to be passed to handler() function. */ |
||
54 | void *arg; |
||
55 | /** On which processor is this timeout registered. */ |
||
56 | cpu_t *cpu; |
||
2103 | decky | 57 | } timeout_t; |
58 | |||
2089 | decky | 59 | #define us2ticks(us) ((uint64_t) (((uint32_t) (us) / (1000000 / HZ)))) |
1 | jermar | 60 | |
61 | extern void timeout_init(void); |
||
62 | extern void timeout_initialize(timeout_t *t); |
||
63 | extern void timeout_reinitialize(timeout_t *t); |
||
2106 | jermar | 64 | extern void timeout_register(timeout_t *t, uint64_t usec, timeout_handler_t f, |
65 | void *arg); |
||
411 | jermar | 66 | extern bool timeout_unregister(timeout_t *t); |
1 | jermar | 67 | |
68 | #endif |
||
1702 | cejka | 69 | |
1731 | jermar | 70 | /** @} |
1702 | cejka | 71 | */ |