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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2012, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "uhub.h"
#ifdef POSIX_THREAD_SUPPORT
struct pthread_data
{
pthread_t handle;
};
void uhub_mutex_init(uhub_mutex_t* mutex)
{
pthread_mutex_init(mutex, NULL);
}
void uhub_mutex_destroy(uhub_mutex_t* mutex)
{
pthread_mutex_destroy(mutex);
}
void uhub_mutex_lock(uhub_mutex_t* mutex)
{
pthread_mutex_lock(mutex);
}
void uhub_mutex_unlock(uhub_mutex_t* mutex)
{
pthread_mutex_unlock(mutex);
}
int uhub_mutex_trylock(uhub_mutex_t* mutex)
{
int ret = pthread_mutex_trylock(mutex);
return (ret == 0);
}
uhub_thread_t* uhub_thread_create(uhub_thread_start start, void* arg)
{
struct pthread_data* thread = (struct pthread_data*) hub_malloc_zero(sizeof(struct pthread_data));
int ret = pthread_create(&thread->handle, NULL, start, arg);
if (ret != 0)
{
hub_free(thread);
thread = NULL;
}
return thread;
}
void uhub_thread_cancel(uhub_thread_t* thread)
{
pthread_cancel(thread->handle);
}
void* uhub_thread_join(uhub_thread_t* thread)
{
void* ret = NULL;
pthread_join(thread->handle, &ret);
hub_free(thread);
return ret;
}
#endif /* POSIX_THREAD_SUPPORT */
#ifdef WINTHREAD_SUPPORT
struct winthread_data
{
uhub_thread_t* handle;
uhub_thread_start start;
void* arg;
};
static DWORD WINAPI uhub_winthread_start(void* ptr)
{
struct winthread_data* data = (struct winthread_data*) ptr;
DWORD ret = (DWORD) data->start(data->arg);
return ret;
}
void uhub_mutex_init(uhub_mutex_t* mutex)
{
InitializeCriticalSection(mutex);
}
void uhub_mutex_destroy(uhub_mutex_t* mutex)
{
DeleteCriticalSection(mutex);
}
void uhub_mutex_lock(uhub_mutex_t* mutex)
{
EnterCriticalSection(mutex);
}
void uhub_mutex_unlock(uhub_mutex_t* mutex)
{
LeaveCriticalSection(mutex);
}
int uhub_mutex_trylock(uhub_mutex_t* mutex)
{
return TryEnterCriticalSection(mutex);
}
uhub_thread_t* uhub_thread_create(uhub_thread_start start, void* arg)
{
struct winthread_data* thread = (struct winthread_data*) hub_malloc_zero(sizeof(struct winthread_data));
thread->start = start;
thread->arg = arg;
thread->handle = CreateThread(NULL, 0, uhub_winthread_start, thread, 0, 0);
return thread;
}
void uhub_thread_cancel(uhub_thread_t* thread)
{
TerminateThread(thread->handle, 0);
}
void* uhub_thread_join(uhub_thread_t* thread)
{
void* ret = NULL;
DWORD exitCode;
WaitForSingleObject(thread->handle, INFINITE);
GetExitCodeThread(thread->handle, &exitCode);
ret = &exitCode;
CloseHandle(thread->handle);
hub_free(thread);
return ret;
}
#endif /* WINTHREAD_SUPPORT */
|