author | rehn |
Tue, 20 Nov 2018 09:35:15 +0100 | |
changeset 52618 | 4ed308e0e89b |
parent 51179 | 516acf6956a2 |
child 52877 | 9e041366c764 |
permissions | -rw-r--r-- |
49800 | 1 |
/* |
2 |
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. |
|
8 |
* |
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
13 |
* accompanied this code). |
|
14 |
* |
|
15 |
* You should have received a copy of the GNU General Public License version |
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 |
* |
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
20 |
* or visit www.oracle.com if you need additional information or have any |
|
21 |
* questions. |
|
22 |
*/ |
|
23 |
||
51179
516acf6956a2
8207359: Make SymbolTable increment_refcount disallow zero
coleenp
parents:
50966
diff
changeset
|
24 |
#ifndef GTEST_THREADHELPER_INLINE_HPP |
516acf6956a2
8207359: Make SymbolTable increment_refcount disallow zero
coleenp
parents:
50966
diff
changeset
|
25 |
#define GTEST_THREADHELPER_INLINE_HPP |
49800 | 26 |
|
27 |
#include "runtime/mutex.hpp" |
|
28 |
#include "runtime/semaphore.hpp" |
|
29 |
#include "runtime/thread.hpp" |
|
30 |
#include "runtime/vmThread.hpp" |
|
31 |
#include "runtime/vm_operations.hpp" |
|
32 |
#include "unittest.hpp" |
|
33 |
||
34 |
class VM_StopSafepoint : public VM_Operation { |
|
35 |
public: |
|
52618 | 36 |
Semaphore* _running; |
49800 | 37 |
Semaphore* _test_complete; |
52618 | 38 |
VM_StopSafepoint(Semaphore* running, Semaphore* wait_for) : |
39 |
_running(running), _test_complete(wait_for) {} |
|
50966
f939a67fea30
8198720: Obsolete PrintSafepointStatistics, PrintSafepointStatisticsTimeout and PrintSafepointStatisticsCount options
coleenp
parents:
49800
diff
changeset
|
40 |
VMOp_Type type() const { return VMOp_None; } |
49800 | 41 |
Mode evaluation_mode() const { return _no_safepoint; } |
42 |
bool is_cheap_allocated() const { return false; } |
|
52618 | 43 |
void doit() { _running->signal(); _test_complete->wait(); } |
49800 | 44 |
}; |
45 |
||
46 |
// This class and thread keep the non-safepoint op running while we do our testing. |
|
47 |
class VMThreadBlocker : public JavaThread { |
|
48 |
public: |
|
52618 | 49 |
Semaphore _ready; |
50 |
Semaphore _unblock; |
|
51 |
VMThreadBlocker() {} |
|
49800 | 52 |
virtual ~VMThreadBlocker() {} |
53 |
void run() { |
|
54 |
this->set_thread_state(_thread_in_vm); |
|
55 |
{ |
|
56 |
MutexLocker ml(Threads_lock); |
|
57 |
Threads::add(this); |
|
58 |
} |
|
52618 | 59 |
VM_StopSafepoint ss(&_ready, &_unblock); |
49800 | 60 |
VMThread::execute(&ss); |
61 |
Threads::remove(this); |
|
62 |
this->smr_delete(); |
|
63 |
} |
|
64 |
void doit() { |
|
65 |
if (os::create_thread(this, os::os_thread)) { |
|
66 |
os::start_thread(this); |
|
67 |
} else { |
|
68 |
ASSERT_TRUE(false); |
|
69 |
} |
|
70 |
} |
|
52618 | 71 |
void ready() { |
72 |
_ready.wait(); |
|
73 |
} |
|
74 |
void release() { |
|
75 |
_unblock.signal(); |
|
76 |
} |
|
49800 | 77 |
}; |
78 |
||
79 |
// For testing in a real JavaThread. |
|
80 |
class JavaTestThread : public JavaThread { |
|
81 |
public: |
|
82 |
Semaphore* _post; |
|
83 |
JavaTestThread(Semaphore* post) |
|
84 |
: _post(post) { |
|
85 |
} |
|
86 |
virtual ~JavaTestThread() {} |
|
87 |
||
88 |
void prerun() { |
|
89 |
this->set_thread_state(_thread_in_vm); |
|
90 |
{ |
|
91 |
MutexLocker ml(Threads_lock); |
|
92 |
Threads::add(this); |
|
93 |
} |
|
94 |
{ |
|
95 |
MutexLockerEx ml(SR_lock(), Mutex::_no_safepoint_check_flag); |
|
96 |
} |
|
97 |
} |
|
98 |
||
99 |
virtual void main_run() = 0; |
|
100 |
||
101 |
void run() { |
|
102 |
prerun(); |
|
103 |
main_run(); |
|
104 |
postrun(); |
|
105 |
} |
|
106 |
||
107 |
void postrun() { |
|
108 |
Threads::remove(this); |
|
109 |
_post->signal(); |
|
110 |
this->smr_delete(); |
|
111 |
} |
|
112 |
||
113 |
void doit() { |
|
114 |
if (os::create_thread(this, os::os_thread)) { |
|
115 |
os::start_thread(this); |
|
116 |
} else { |
|
117 |
ASSERT_TRUE(false); |
|
118 |
} |
|
119 |
} |
|
120 |
}; |
|
121 |
||
122 |
template <typename FUNC> |
|
123 |
class SingleTestThread : public JavaTestThread { |
|
124 |
public: |
|
125 |
FUNC& _f; |
|
126 |
SingleTestThread(Semaphore* post, FUNC& f) |
|
127 |
: JavaTestThread(post), _f(f) { |
|
128 |
} |
|
129 |
||
130 |
virtual ~SingleTestThread(){} |
|
131 |
||
132 |
virtual void main_run() { |
|
133 |
_f(this); |
|
134 |
} |
|
135 |
}; |
|
136 |
||
137 |
template <typename TESTFUNC> |
|
138 |
static void nomt_test_doer(TESTFUNC &f) { |
|
52618 | 139 |
Semaphore post; |
140 |
||
141 |
VMThreadBlocker* blocker = new VMThreadBlocker(); |
|
49800 | 142 |
blocker->doit(); |
52618 | 143 |
blocker->ready(); |
144 |
||
49800 | 145 |
SingleTestThread<TESTFUNC>* stt = new SingleTestThread<TESTFUNC>(&post, f); |
146 |
stt->doit(); |
|
147 |
post.wait(); |
|
52618 | 148 |
|
149 |
blocker->release(); |
|
49800 | 150 |
} |
151 |
||
152 |
template <typename RUNNER> |
|
153 |
static void mt_test_doer() { |
|
52618 | 154 |
Semaphore post; |
155 |
||
156 |
VMThreadBlocker* blocker = new VMThreadBlocker(); |
|
49800 | 157 |
blocker->doit(); |
52618 | 158 |
blocker->ready(); |
159 |
||
49800 | 160 |
RUNNER* runner = new RUNNER(&post); |
161 |
runner->doit(); |
|
162 |
post.wait(); |
|
52618 | 163 |
|
164 |
blocker->release(); |
|
49800 | 165 |
} |
166 |
||
167 |
#endif // include guard |