275 static bool supports_getisax() { return _getisax != NULL; }
276 static uint_t getisax(uint32_t* array, uint_t n);
277
278 static void set_meminfo(meminfo_func_t func) { _meminfo = func; }
279 static int meminfo (const uint64_t inaddr[], int addr_count,
280 const uint_t info_req[], int info_count,
281 uint64_t outdata[], uint_t validity[]) {
282 return _meminfo != NULL ? _meminfo(inaddr, addr_count, info_req, info_count,
283 outdata, validity) : -1;
284 }
285
286 static sigset_t* unblocked_signals();
287 static sigset_t* vm_signals();
288 static sigset_t* allowdebug_blocked_signals();
289
290 // %%% Following should be promoted to os.hpp:
291 // Trace number of created threads
292 static jint _os_thread_limit;
293 static volatile jint _os_thread_count;
294
295 // Minimum stack size a thread can be created with (allowing
296 // the VM to completely create the thread and enter user code)
297
298 static size_t min_stack_allowed;
299
300 // Stack overflow handling
301
302 static int max_register_window_saves_before_flushing();
303
304 // Stack repair handling
305
306 // none present
307
308 };
309
310 class PlatformEvent : public CHeapObj<mtInternal> {
311 private:
312 double CachePad[4]; // increase odds that _mutex is sole occupant of cache line
313 volatile int _Event;
314 int _nParked;
315 int _pipev[2];
316 mutex_t _mutex[1];
317 cond_t _cond[1];
318 double PostPad[2];
319
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275 static bool supports_getisax() { return _getisax != NULL; }
276 static uint_t getisax(uint32_t* array, uint_t n);
277
278 static void set_meminfo(meminfo_func_t func) { _meminfo = func; }
279 static int meminfo (const uint64_t inaddr[], int addr_count,
280 const uint_t info_req[], int info_count,
281 uint64_t outdata[], uint_t validity[]) {
282 return _meminfo != NULL ? _meminfo(inaddr, addr_count, info_req, info_count,
283 outdata, validity) : -1;
284 }
285
286 static sigset_t* unblocked_signals();
287 static sigset_t* vm_signals();
288 static sigset_t* allowdebug_blocked_signals();
289
290 // %%% Following should be promoted to os.hpp:
291 // Trace number of created threads
292 static jint _os_thread_limit;
293 static volatile jint _os_thread_count;
294
295
296 // Stack overflow handling
297
298 static int max_register_window_saves_before_flushing();
299
300 // Stack repair handling
301
302 // none present
303
304 };
305
306 class PlatformEvent : public CHeapObj<mtInternal> {
307 private:
308 double CachePad[4]; // increase odds that _mutex is sole occupant of cache line
309 volatile int _Event;
310 int _nParked;
311 int _pipev[2];
312 mutex_t _mutex[1];
313 cond_t _cond[1];
314 double PostPad[2];
315
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