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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Monkey HTTP Server (Duda I/O)
* -----------------------------
* Copyright 2017 Eduardo Silva <eduardo@monkey.io>
* Copyright 2014, Zeying Xie <swpdtz at gmail dot com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MK_THREAD_CHANNEL_H
#define MK_THREAD_CHANNEL_H
#include <errno.h>
#include "mk_list.h"
#define MK_THREAD_CHANNEL_OK 0
#define MK_THREAD_CHANNEL_BROKEN -EPIPE
struct mk_thread_channel {
int size;
int used;
struct mk_list bufs;
int sender;
int receiver;
int ended;
int done;
struct mk_list _head;
};
/*
* @METHOD_NAME: chan_get_sender
* @METHOD_DESC: get sender of the given channel.
* @METHOD_PROTO: int chan_get_sender(mk_thread_channel_t *chan)
* @METHOD_PARAM: chan the target channel.
* @METHOD_RETURN: the dthread id of sender of the channel.
*/
static inline int mk_thread_channel_get_sender(struct mk_thread_channel *chan)
{
return chan->sender;
}
/*
* @METHOD_NAME: chan_set_sender
* @METHOD_DESC: set sender of the given channel.
* @METHOD_PROTO: void chan_set_sender(mk_thread_channel_t *chan, int sender)
* @METHOD_PARAM: chan the target channel.
* @METHOD_PARAM: sender the dthread id of target sender.
* @METHOD_RETURN: this method do not return any value.
*/
static inline void mk_thread_channel_set_sender(struct mk_thread_channel *chan,
int sender)
{
chan->sender = sender;
}
/*
* @METHOD_NAME: chan_get_receiver
* @METHOD_DESC: get receiver of the given channel.
* @METHOD_PROTO: int chan_get_receiver(mk_thread_channel_t *chan)
* @METHOD_PARAM: chan the target channel.
* @METHOD_RETURN: the dthread id of receiver of the channel.
*/
static inline int mk_thread_channel_get_receiver(struct mk_thread_channel *chan)
{
return chan->receiver;
}
void mk_thread_add_channel(int id, struct mk_thread_channel *chan);
/*
* @METHOD_NAME: chan_set_receiver
* @METHOD_DESC: set receiver of the given channel.
* @METHOD_PROTO: void chan_set_receiver(mk_thread_channel_t *chan, int receiver)
* @METHOD_PARAM: chan the target channel.
* @METHOD_PARAM: receiver the dthread id of target receiver.
* @METHOD_RETURN: this method do not return any value.
*/
static inline void mk_thread_channel_set_receiver(struct mk_thread_channel *chan,
int receiver)
{
chan->receiver = receiver;
mk_thread_add_channel(receiver, chan);
}
/*
* @METHOD_NAME: chan_done
* @METHOD_DESC: whether the channel is no longer necessary(this will be the case
* that a channel is empty and the sender won't send any more).
* @METHOD_PROTO: int chan_done(mk_thread_channel_t *chan)
* @METHOD_PARAM: chan the target channel.
* @METHOD_RETURN: returns 1 if the channel is no longer necessary, otherwise 0.
*/
static inline int mk_thread_channel_done(struct mk_thread_channel *chan)
{
return chan->done;
}
/*
* @METHOD_NAME: chan_end
* @METHOD_DESC: it is used by the sender to tell the channel no more data will be
* sent.
* @METHOD_PROTO: void chan_end(mk_thread_channel_t *chan)
* @METHOD_PARAM: chan the target channel.
* @METHOD_RETURN: this method do not return any value.
*/
static inline void mk_thread_channel_end(struct mk_thread_channel *chan)
{
chan->ended = 1;
}
struct mk_thread_channel *mk_thread_channel_create(int size);
void mk_thread_channel_free(struct mk_thread_channel *chan);
int mk_thread_channel_send(struct mk_thread_channel *chan, void *data);
void *mk_thread_channel_recv(struct mk_thread_channel *chan);
#endif
|
