summaryrefslogtreecommitdiff
path: root/extras/dispatch/src/posix/threading.c
blob: 8edce86cdc7e57c13d7be8490e7517f248fee0a0 (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
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
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

#include <qpid/dispatch/threading.h>
#include <qpid/dispatch/ctools.h>
#include <stdio.h>
#include <pthread.h>

struct sys_mutex_t {
    pthread_mutex_t mutex;
    int             acquired;
};

sys_mutex_t *sys_mutex(void)
{
    sys_mutex_t *mutex = NEW(sys_mutex_t);
    pthread_mutex_init(&(mutex->mutex), 0);
    mutex->acquired = 0;
    return mutex;
}


void sys_mutex_free(sys_mutex_t *mutex)
{
    assert(!mutex->acquired);
    pthread_mutex_destroy(&(mutex->mutex));
    free(mutex);
}


void sys_mutex_lock(sys_mutex_t *mutex)
{
    pthread_mutex_lock(&(mutex->mutex));
    assert(!mutex->acquired);
    mutex->acquired++;
}


void sys_mutex_unlock(sys_mutex_t *mutex)
{
    mutex->acquired--;
    assert(!mutex->acquired);
    pthread_mutex_unlock(&(mutex->mutex));
}


struct sys_cond_t {
    pthread_cond_t cond;
};


sys_cond_t *sys_cond(void)
{
    sys_cond_t *cond = NEW(sys_cond_t);
    pthread_cond_init(&(cond->cond), 0);
    return cond;
}


void sys_cond_free(sys_cond_t *cond)
{
    pthread_cond_destroy(&(cond->cond));
    free(cond);
}


void sys_cond_wait(sys_cond_t *cond, sys_mutex_t *held_mutex)
{
    assert(held_mutex->acquired);
    held_mutex->acquired--;
    pthread_cond_wait(&(cond->cond), &(held_mutex->mutex));
    held_mutex->acquired++;
}


void sys_cond_signal(sys_cond_t *cond)
{
    pthread_cond_signal(&(cond->cond));
}


void sys_cond_signal_all(sys_cond_t *cond)
{
    pthread_cond_broadcast(&(cond->cond));
}


struct sys_thread_t {
    pthread_t thread;
}; 

sys_thread_t *sys_thread(void *(*run_function) (void *), void *arg)
{
    sys_thread_t *thread = NEW(sys_thread_t);
    pthread_create(&(thread->thread), 0, run_function, arg);
    return thread;
}


void sys_thread_free(sys_thread_t *thread)
{
    free(thread);
}


void sys_thread_join(sys_thread_t *thread)
{
    pthread_join(thread->thread, 0);
}