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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "platform/globals.h" | 5 #include "platform/globals.h" // NOLINT |
6 #if defined(TARGET_OS_ANDROID) | 6 #if defined(TARGET_OS_ANDROID) |
7 | 7 |
8 #include "vm/thread.h" | 8 #include "vm/os_thread.h" |
9 | 9 |
10 #include <errno.h> // NOLINT | 10 #include <errno.h> // NOLINT |
11 #include <sys/time.h> // NOLINT | 11 #include <sys/time.h> // NOLINT |
12 | 12 |
13 #include "platform/assert.h" | 13 #include "platform/assert.h" |
14 #include "vm/isolate.h" | 14 #include "vm/isolate.h" |
15 | 15 |
16 namespace dart { | 16 namespace dart { |
17 | 17 |
18 #define VALIDATE_PTHREAD_RESULT(result) \ | 18 #define VALIDATE_PTHREAD_RESULT(result) \ |
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50 ts->tv_nsec = (tv.tv_usec + remaining_micros) * kNanosecondsPerMicrosecond; | 50 ts->tv_nsec = (tv.tv_usec + remaining_micros) * kNanosecondsPerMicrosecond; |
51 if (ts->tv_nsec >= kNanosecondsPerSecond) { | 51 if (ts->tv_nsec >= kNanosecondsPerSecond) { |
52 ts->tv_sec += 1; | 52 ts->tv_sec += 1; |
53 ts->tv_nsec -= kNanosecondsPerSecond; | 53 ts->tv_nsec -= kNanosecondsPerSecond; |
54 } | 54 } |
55 } | 55 } |
56 | 56 |
57 | 57 |
58 class ThreadStartData { | 58 class ThreadStartData { |
59 public: | 59 public: |
60 ThreadStartData(Thread::ThreadStartFunction function, | 60 ThreadStartData(OSThread::ThreadStartFunction function, |
61 uword parameter) | 61 uword parameter) |
62 : function_(function), parameter_(parameter) {} | 62 : function_(function), parameter_(parameter) {} |
63 | 63 |
64 Thread::ThreadStartFunction function() const { return function_; } | 64 OSThread::ThreadStartFunction function() const { return function_; } |
65 uword parameter() const { return parameter_; } | 65 uword parameter() const { return parameter_; } |
66 | 66 |
67 private: | 67 private: |
68 Thread::ThreadStartFunction function_; | 68 OSThread::ThreadStartFunction function_; |
69 uword parameter_; | 69 uword parameter_; |
70 | 70 |
71 DISALLOW_COPY_AND_ASSIGN(ThreadStartData); | 71 DISALLOW_COPY_AND_ASSIGN(ThreadStartData); |
72 }; | 72 }; |
73 | 73 |
74 | 74 |
75 // Dispatch to the thread start function provided by the caller. This trampoline | 75 // Dispatch to the thread start function provided by the caller. This trampoline |
76 // is used to ensure that the thread is properly destroyed if the thread just | 76 // is used to ensure that the thread is properly destroyed if the thread just |
77 // exits. | 77 // exits. |
78 static void* ThreadStart(void* data_ptr) { | 78 static void* ThreadStart(void* data_ptr) { |
79 ThreadStartData* data = reinterpret_cast<ThreadStartData*>(data_ptr); | 79 ThreadStartData* data = reinterpret_cast<ThreadStartData*>(data_ptr); |
80 | 80 |
81 Thread::ThreadStartFunction function = data->function(); | 81 OSThread::ThreadStartFunction function = data->function(); |
82 uword parameter = data->parameter(); | 82 uword parameter = data->parameter(); |
83 delete data; | 83 delete data; |
84 | 84 |
85 // Call the supplied thread start function handing it its parameters. | 85 // Call the supplied thread start function handing it its parameters. |
86 function(parameter); | 86 function(parameter); |
87 | 87 |
88 return NULL; | 88 return NULL; |
89 } | 89 } |
90 | 90 |
91 | 91 |
92 int Thread::Start(ThreadStartFunction function, uword parameter) { | 92 int OSThread::Start(ThreadStartFunction function, uword parameter) { |
93 pthread_attr_t attr; | 93 pthread_attr_t attr; |
94 int result = pthread_attr_init(&attr); | 94 int result = pthread_attr_init(&attr); |
95 RETURN_ON_PTHREAD_FAILURE(result); | 95 RETURN_ON_PTHREAD_FAILURE(result); |
96 | 96 |
97 result = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | 97 result = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
98 RETURN_ON_PTHREAD_FAILURE(result); | 98 RETURN_ON_PTHREAD_FAILURE(result); |
99 | 99 |
100 result = pthread_attr_setstacksize(&attr, Thread::GetMaxStackSize()); | 100 result = pthread_attr_setstacksize(&attr, OSThread::GetMaxStackSize()); |
101 RETURN_ON_PTHREAD_FAILURE(result); | 101 RETURN_ON_PTHREAD_FAILURE(result); |
102 | 102 |
103 ThreadStartData* data = new ThreadStartData(function, parameter); | 103 ThreadStartData* data = new ThreadStartData(function, parameter); |
104 | 104 |
105 pthread_t tid; | 105 pthread_t tid; |
106 result = pthread_create(&tid, &attr, ThreadStart, data); | 106 result = pthread_create(&tid, &attr, ThreadStart, data); |
107 RETURN_ON_PTHREAD_FAILURE(result); | 107 RETURN_ON_PTHREAD_FAILURE(result); |
108 | 108 |
109 result = pthread_attr_destroy(&attr); | 109 result = pthread_attr_destroy(&attr); |
110 RETURN_ON_PTHREAD_FAILURE(result); | 110 RETURN_ON_PTHREAD_FAILURE(result); |
111 | 111 |
112 return 0; | 112 return 0; |
113 } | 113 } |
114 | 114 |
115 | 115 |
116 ThreadLocalKey Thread::kUnsetThreadLocalKey = static_cast<pthread_key_t>(-1); | 116 ThreadLocalKey OSThread::kUnsetThreadLocalKey = |
117 ThreadId Thread::kInvalidThreadId = static_cast<ThreadId>(0); | 117 static_cast<pthread_key_t>(-1); |
| 118 ThreadId OSThread::kInvalidThreadId = static_cast<ThreadId>(0); |
118 | 119 |
119 ThreadLocalKey Thread::CreateThreadLocal() { | 120 ThreadLocalKey OSThread::CreateThreadLocal() { |
120 pthread_key_t key = kUnsetThreadLocalKey; | 121 pthread_key_t key = kUnsetThreadLocalKey; |
121 int result = pthread_key_create(&key, NULL); | 122 int result = pthread_key_create(&key, NULL); |
122 VALIDATE_PTHREAD_RESULT(result); | 123 VALIDATE_PTHREAD_RESULT(result); |
123 ASSERT(key != kUnsetThreadLocalKey); | 124 ASSERT(key != kUnsetThreadLocalKey); |
124 return key; | 125 return key; |
125 } | 126 } |
126 | 127 |
127 | 128 |
128 void Thread::DeleteThreadLocal(ThreadLocalKey key) { | 129 void OSThread::DeleteThreadLocal(ThreadLocalKey key) { |
129 ASSERT(key != kUnsetThreadLocalKey); | 130 ASSERT(key != kUnsetThreadLocalKey); |
130 int result = pthread_key_delete(key); | 131 int result = pthread_key_delete(key); |
131 VALIDATE_PTHREAD_RESULT(result); | 132 VALIDATE_PTHREAD_RESULT(result); |
132 } | 133 } |
133 | 134 |
134 | 135 |
135 void Thread::SetThreadLocal(ThreadLocalKey key, uword value) { | 136 void OSThread::SetThreadLocal(ThreadLocalKey key, uword value) { |
136 ASSERT(key != kUnsetThreadLocalKey); | 137 ASSERT(key != kUnsetThreadLocalKey); |
137 int result = pthread_setspecific(key, reinterpret_cast<void*>(value)); | 138 int result = pthread_setspecific(key, reinterpret_cast<void*>(value)); |
138 VALIDATE_PTHREAD_RESULT(result); | 139 VALIDATE_PTHREAD_RESULT(result); |
139 } | 140 } |
140 | 141 |
141 | 142 |
142 intptr_t Thread::GetMaxStackSize() { | 143 intptr_t OSThread::GetMaxStackSize() { |
143 const int kStackSize = (128 * kWordSize * KB); | 144 const int kStackSize = (128 * kWordSize * KB); |
144 return kStackSize; | 145 return kStackSize; |
145 } | 146 } |
146 | 147 |
147 | 148 |
148 ThreadId Thread::GetCurrentThreadId() { | 149 ThreadId OSThread::GetCurrentThreadId() { |
149 return gettid(); | 150 return gettid(); |
150 } | 151 } |
151 | 152 |
152 | 153 |
153 bool Thread::Join(ThreadId id) { | 154 bool OSThread::Join(ThreadId id) { |
154 return false; | 155 return false; |
155 } | 156 } |
156 | 157 |
157 | 158 |
158 intptr_t Thread::ThreadIdToIntPtr(ThreadId id) { | 159 intptr_t OSThread::ThreadIdToIntPtr(ThreadId id) { |
159 ASSERT(sizeof(id) == sizeof(intptr_t)); | 160 ASSERT(sizeof(id) == sizeof(intptr_t)); |
160 return static_cast<intptr_t>(id); | 161 return static_cast<intptr_t>(id); |
161 } | 162 } |
162 | 163 |
163 | 164 |
164 bool Thread::Compare(ThreadId a, ThreadId b) { | 165 bool OSThread::Compare(ThreadId a, ThreadId b) { |
165 return a == b; | 166 return a == b; |
166 } | 167 } |
167 | 168 |
168 | 169 |
169 void Thread::GetThreadCpuUsage(ThreadId thread_id, int64_t* cpu_usage) { | 170 void OSThread::GetThreadCpuUsage(ThreadId thread_id, int64_t* cpu_usage) { |
170 ASSERT(thread_id == GetCurrentThreadId()); | 171 ASSERT(thread_id == GetCurrentThreadId()); |
171 ASSERT(cpu_usage != NULL); | 172 ASSERT(cpu_usage != NULL); |
172 struct timespec ts; | 173 struct timespec ts; |
173 int r = clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts); | 174 int r = clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts); |
174 ASSERT(r == 0); | 175 ASSERT(r == 0); |
175 *cpu_usage = (ts.tv_sec * kNanosecondsPerSecond + ts.tv_nsec) / | 176 *cpu_usage = (ts.tv_sec * kNanosecondsPerSecond + ts.tv_nsec) / |
176 kNanosecondsPerMicrosecond; | 177 kNanosecondsPerMicrosecond; |
177 } | 178 } |
178 | 179 |
179 | 180 |
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338 | 339 |
339 void Monitor::NotifyAll() { | 340 void Monitor::NotifyAll() { |
340 // TODO(iposva): Do we need to track lock owners? | 341 // TODO(iposva): Do we need to track lock owners? |
341 int result = pthread_cond_broadcast(data_.cond()); | 342 int result = pthread_cond_broadcast(data_.cond()); |
342 VALIDATE_PTHREAD_RESULT(result); | 343 VALIDATE_PTHREAD_RESULT(result); |
343 } | 344 } |
344 | 345 |
345 } // namespace dart | 346 } // namespace dart |
346 | 347 |
347 #endif // defined(TARGET_OS_ANDROID) | 348 #endif // defined(TARGET_OS_ANDROID) |
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