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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 #ifndef VM_OS_THREAD_H_ | 5 #ifndef VM_OS_THREAD_H_ |
6 #define VM_OS_THREAD_H_ | 6 #define VM_OS_THREAD_H_ |
7 | 7 |
8 #include "platform/globals.h" | 8 #include "platform/globals.h" |
9 #include "vm/allocation.h" | 9 #include "vm/allocation.h" |
10 #include "vm/globals.h" | 10 #include "vm/globals.h" |
11 | 11 |
12 // Declare the OS-specific types ahead of defining the generic classes. | 12 // Declare the OS-specific types ahead of defining the generic classes. |
13 #if defined(TARGET_OS_ANDROID) | 13 #if defined(TARGET_OS_ANDROID) |
14 #include "vm/os_thread_android.h" | 14 #include "vm/os_thread_android.h" |
| 15 #elif defined(TARGET_OS_FUCHSIA) |
| 16 #include "vm/os_thread_fuchsia.h" |
15 #elif defined(TARGET_OS_LINUX) | 17 #elif defined(TARGET_OS_LINUX) |
16 #include "vm/os_thread_linux.h" | 18 #include "vm/os_thread_linux.h" |
17 #elif defined(TARGET_OS_MACOS) | 19 #elif defined(TARGET_OS_MACOS) |
18 #include "vm/os_thread_macos.h" | 20 #include "vm/os_thread_macos.h" |
19 #elif defined(TARGET_OS_WINDOWS) | 21 #elif defined(TARGET_OS_WINDOWS) |
20 #include "vm/os_thread_win.h" | 22 #include "vm/os_thread_win.h" |
21 #else | 23 #else |
22 #error Unknown target os. | 24 #error Unknown target os. |
23 #endif | 25 #endif |
24 | 26 |
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54 // this factory style method 'CreateOSThread' to create OSThread structures. | 56 // this factory style method 'CreateOSThread' to create OSThread structures. |
55 // The method can return a NULL if the Dart VM is in shutdown mode. | 57 // The method can return a NULL if the Dart VM is in shutdown mode. |
56 static OSThread* CreateOSThread(); | 58 static OSThread* CreateOSThread(); |
57 ~OSThread(); | 59 ~OSThread(); |
58 | 60 |
59 ThreadId id() const { | 61 ThreadId id() const { |
60 ASSERT(id_ != OSThread::kInvalidThreadId); | 62 ASSERT(id_ != OSThread::kInvalidThreadId); |
61 return id_; | 63 return id_; |
62 } | 64 } |
63 | 65 |
| 66 #ifndef PRODUCT |
64 ThreadId trace_id() const { | 67 ThreadId trace_id() const { |
65 ASSERT(trace_id_ != OSThread::kInvalidThreadId); | 68 ASSERT(trace_id_ != OSThread::kInvalidThreadId); |
66 return trace_id_; | 69 return trace_id_; |
67 } | 70 } |
| 71 #endif |
68 | 72 |
69 const char* name() const { | 73 const char* name() const { |
70 return name_; | 74 return name_; |
71 } | 75 } |
72 | 76 |
73 void SetName(const char* name); | 77 void SetName(const char* name); |
74 | 78 |
75 void set_name(const char* name) { | 79 void set_name(const char* name) { |
76 ASSERT(OSThread::Current() == this); | 80 ASSERT(OSThread::Current() == this); |
77 ASSERT(name_ == NULL); | 81 ASSERT(name_ == NULL); |
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196 // accessing the VM thread structure from an OSThread object | 200 // accessing the VM thread structure from an OSThread object |
197 // in the windows thread interrupter which is used for profiling. | 201 // in the windows thread interrupter which is used for profiling. |
198 // We could eliminate this requirement if the windows thread interrupter | 202 // We could eliminate this requirement if the windows thread interrupter |
199 // is implemented differently. | 203 // is implemented differently. |
200 Thread* thread() const { return thread_; } | 204 Thread* thread() const { return thread_; } |
201 void set_thread(Thread* value) { | 205 void set_thread(Thread* value) { |
202 thread_ = value; | 206 thread_ = value; |
203 } | 207 } |
204 | 208 |
205 static void Cleanup(); | 209 static void Cleanup(); |
| 210 #ifndef PRODUCT |
206 static ThreadId GetCurrentThreadTraceId(); | 211 static ThreadId GetCurrentThreadTraceId(); |
| 212 #endif // PRODUCT |
207 static OSThread* GetOSThreadFromThread(Thread* thread); | 213 static OSThread* GetOSThreadFromThread(Thread* thread); |
208 static void AddThreadToListLocked(OSThread* thread); | 214 static void AddThreadToListLocked(OSThread* thread); |
209 static void RemoveThreadFromList(OSThread* thread); | 215 static void RemoveThreadFromList(OSThread* thread); |
210 static OSThread* CreateAndSetUnknownThread(); | 216 static OSThread* CreateAndSetUnknownThread(); |
211 | 217 |
212 static ThreadLocalKey thread_key_; | 218 static ThreadLocalKey thread_key_; |
213 | 219 |
214 const ThreadId id_; | 220 const ThreadId id_; |
215 #if defined(DEBUG) | 221 #if defined(DEBUG) |
216 // In DEBUG mode we use this field to ensure that GetCurrentThreadJoinId is | 222 // In DEBUG mode we use this field to ensure that GetCurrentThreadJoinId is |
217 // only called once per OSThread. | 223 // only called once per OSThread. |
218 ThreadJoinId join_id_; | 224 ThreadJoinId join_id_; |
219 #endif | 225 #endif |
| 226 #ifndef PRODUCT |
220 const ThreadId trace_id_; // Used to interface with tracing tools. | 227 const ThreadId trace_id_; // Used to interface with tracing tools. |
| 228 #endif |
221 char* name_; // A name for this thread. | 229 char* name_; // A name for this thread. |
222 | 230 |
223 Mutex* timeline_block_lock_; | 231 Mutex* timeline_block_lock_; |
224 TimelineEventBlock* timeline_block_; | 232 TimelineEventBlock* timeline_block_; |
225 | 233 |
226 // All |Thread|s are registered in the thread list. | 234 // All |Thread|s are registered in the thread list. |
227 OSThread* thread_list_next_; | 235 OSThread* thread_list_next_; |
228 | 236 |
229 uintptr_t thread_interrupt_disabled_; | 237 uintptr_t thread_interrupt_disabled_; |
230 Log* log_; | 238 Log* log_; |
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346 friend class SafepointMonitorLocker; | 354 friend class SafepointMonitorLocker; |
347 friend void Dart_TestMonitor(); | 355 friend void Dart_TestMonitor(); |
348 DISALLOW_COPY_AND_ASSIGN(Monitor); | 356 DISALLOW_COPY_AND_ASSIGN(Monitor); |
349 }; | 357 }; |
350 | 358 |
351 | 359 |
352 } // namespace dart | 360 } // namespace dart |
353 | 361 |
354 | 362 |
355 #endif // VM_OS_THREAD_H_ | 363 #endif // VM_OS_THREAD_H_ |
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