Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/prims/jvmtiImpl.hpp
src/share/vm/prims/jvmtiImpl.hpp
- changeset 2233
- fa83ab460c54
- parent 1907
- c18cbe5936b8
- child 2314
- f95d63e2154a
equal
deleted
inserted
replaced
| 2229:75ab0162aa84 | 2233:fa83ab460c54 |
|---|---|
| 24 | 24 |
| 25 // | 25 // |
| 26 // Forward Declarations | 26 // Forward Declarations |
| 27 // | 27 // |
| 28 | 28 |
| 29 class JvmtiRawMonitor; | |
| 30 class JvmtiBreakpoint; | 29 class JvmtiBreakpoint; |
| 31 class JvmtiBreakpoints; | 30 class JvmtiBreakpoints; |
| 32 | 31 |
| 33 | 32 |
| 34 /////////////////////////////////////////////////////////////// | 33 /////////////////////////////////////////////////////////////// |
| 325 if ((*bps) == bcp) return true; | 324 if ((*bps) == bcp) return true; |
| 326 } | 325 } |
| 327 return false; | 326 return false; |
| 328 } | 327 } |
| 329 | 328 |
| 330 | |
| 331 /////////////////////////////////////////////////////////////// | |
| 332 // | |
| 333 // class JvmtiRawMonitor | |
| 334 // | |
| 335 // Used by JVMTI methods: All RawMonitor methods (CreateRawMonitor, EnterRawMonitor, etc.) | |
| 336 // | |
| 337 // Wrapper for ObjectMonitor class that saves the Monitor's name | |
| 338 // | |
| 339 | |
| 340 class JvmtiRawMonitor : public ObjectMonitor { | |
| 341 private: | |
| 342 int _magic; | |
| 343 char * _name; | |
| 344 // JVMTI_RM_MAGIC is set in contructor and unset in destructor. | |
| 345 enum { JVMTI_RM_MAGIC = (int)(('T' << 24) | ('I' << 16) | ('R' << 8) | 'M') }; | |
| 346 | |
| 347 public: | |
| 348 JvmtiRawMonitor(const char *name); | |
| 349 ~JvmtiRawMonitor(); | |
| 350 int magic() { return _magic; } | |
| 351 const char *get_name() { return _name; } | |
| 352 bool is_valid(); | |
| 353 }; | |
| 354 | |
| 355 // Onload pending raw monitors | |
| 356 // Class is used to cache onload or onstart monitor enter | |
| 357 // which will transition into real monitor when | |
| 358 // VM is fully initialized. | |
| 359 class JvmtiPendingMonitors : public AllStatic { | |
| 360 | |
| 361 private: | |
| 362 static GrowableArray<JvmtiRawMonitor*> *_monitors; // Cache raw monitor enter | |
| 363 | |
| 364 inline static GrowableArray<JvmtiRawMonitor*>* monitors() { return _monitors; } | |
| 365 | |
| 366 static void dispose() { | |
| 367 delete monitors(); | |
| 368 } | |
| 369 | |
| 370 public: | |
| 371 static void enter(JvmtiRawMonitor *monitor) { | |
| 372 monitors()->append(monitor); | |
| 373 } | |
| 374 | |
| 375 static int count() { | |
| 376 return monitors()->length(); | |
| 377 } | |
| 378 | |
| 379 static void destroy(JvmtiRawMonitor *monitor) { | |
| 380 while (monitors()->contains(monitor)) { | |
| 381 monitors()->remove(monitor); | |
| 382 } | |
| 383 } | |
| 384 | |
| 385 // Return false if monitor is not found in the list. | |
| 386 static bool exit(JvmtiRawMonitor *monitor) { | |
| 387 if (monitors()->contains(monitor)) { | |
| 388 monitors()->remove(monitor); | |
| 389 return true; | |
| 390 } else { | |
| 391 return false; | |
| 392 } | |
| 393 } | |
| 394 | |
| 395 static void transition_raw_monitors(); | |
| 396 }; | |
| 397 | |
| 398 | |
| 399 | |
| 400 /////////////////////////////////////////////////////////////// | 329 /////////////////////////////////////////////////////////////// |
| 401 // The get/set local operations must only be done by the VM thread | 330 // The get/set local operations must only be done by the VM thread |
| 402 // because the interpreter version needs to access oop maps, which can | 331 // because the interpreter version needs to access oop maps, which can |
| 403 // only safely be done by the VM thread | 332 // only safely be done by the VM thread |
| 404 // | 333 // |
