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
|
/*************************************************************************/
/* thread_posix.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "thread_posix.h"
#if defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)
#include "os/memory.h"
Thread::ID ThreadPosix::get_ID() const {
return id;
}
Thread* ThreadPosix::create_thread_posix() {
return memnew( ThreadPosix );
}
void *ThreadPosix::thread_callback(void *userdata) {
ThreadPosix *t=reinterpret_cast<ThreadPosix*>(userdata);
t->id=(ID)pthread_self();
t->callback(t->user);
return NULL;
}
Thread* ThreadPosix::create_func_posix(ThreadCreateCallback p_callback,void *p_user,const Settings&) {
ThreadPosix *tr= memnew(ThreadPosix);
tr->callback=p_callback;
tr->user=p_user;
pthread_attr_init(&tr->pthread_attr);
pthread_attr_setdetachstate(&tr->pthread_attr, PTHREAD_CREATE_JOINABLE);
pthread_attr_setstacksize(&tr->pthread_attr, 256 * 1024);
pthread_create(&tr->pthread, &tr->pthread_attr, thread_callback, tr);
return tr;
}
Thread::ID ThreadPosix::get_thread_ID_func_posix() {
return (ID)pthread_self();
}
void ThreadPosix::wait_to_finish_func_posix(Thread* p_thread) {
ThreadPosix *tp=static_cast<ThreadPosix*>(p_thread);
ERR_FAIL_COND(!tp);
ERR_FAIL_COND(tp->pthread==0);
pthread_join(tp->pthread,NULL);
tp->pthread=0;
}
Error ThreadPosix::set_name(const String& p_name) {
ERR_FAIL_COND_V(pthread == 0, ERR_UNCONFIGURED);
#ifdef PTHREAD_NO_RENAME
return ERR_UNAVAILABLE;
#else
#ifdef PTHREAD_RENAME_SELF
// check if thread is the same as caller
int caller = Thread::get_caller_ID();
int self = get_ID();
if (caller != self) {
ERR_EXPLAIN("On this platform, thread can only be renamed with calls from the threads to be renamed.");
ERR_FAIL_V(ERR_UNAVAILABLE);
return ERR_UNAVAILABLE;
};
int err = pthread_setname_np(p_name.utf8().get_data());
#else
int err = pthread_setname_np(pthread, p_name.utf8().get_data());
#endif
return err == 0 ? OK : ERR_INVALID_PARAMETER;
#endif // PTHREAD_NO_RENAME
};
void ThreadPosix::make_default() {
create_func=create_func_posix;
get_thread_ID_func=get_thread_ID_func_posix;
wait_to_finish_func=wait_to_finish_func_posix;
}
ThreadPosix::ThreadPosix() {
pthread=0;
}
ThreadPosix::~ThreadPosix() {
}
#endif
|