src/share/vm/runtime/thread.cpp
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src/share/vm/runtime/thread.cpp

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1282 
1283     // Calculate how long it'll be until the next PeriodicTask work
1284     // should be done, and sleep that amount of time.
1285     int time_waited = sleep();
1286 
1287     if (is_error_reported()) {
1288       // A fatal error has happened, the error handler(VMError::report_and_die)
1289       // should abort JVM after creating an error log file. However in some
1290       // rare cases, the error handler itself might deadlock. Here we try to
1291       // kill JVM if the fatal error handler fails to abort in 2 minutes.
1292       //
1293       // This code is in WatcherThread because WatcherThread wakes up
1294       // periodically so the fatal error handler doesn't need to do anything;
1295       // also because the WatcherThread is less likely to crash than other
1296       // threads.
1297 
1298       for (;;) {
1299         if (!ShowMessageBoxOnError
1300             && (OnError == NULL || OnError[0] == '\0')
1301             && Arguments::abort_hook() == NULL) {
1302           os::sleep(this, ErrorLogTimeout * 60 * 1000, false);
1303           fdStream err(defaultStream::output_fd());
1304           err.print_raw_cr("# [ timer expired, abort... ]");
1305           // skip atexit/vm_exit/vm_abort hooks
1306           os::die();
1307         }
1308 
1309         // Wake up 5 seconds later, the fatal handler may reset OnError or
1310         // ShowMessageBoxOnError when it is ready to abort.
1311         os::sleep(this, 5 * 1000, false);
1312       }
1313     }
1314 
1315     if (_should_terminate) {
1316       // check for termination before posting the next tick
1317       break;
1318     }
1319 
1320     PeriodicTask::real_time_tick(time_waited);
1321   }
1322 




1282 
1283     // Calculate how long it'll be until the next PeriodicTask work
1284     // should be done, and sleep that amount of time.
1285     int time_waited = sleep();
1286 
1287     if (is_error_reported()) {
1288       // A fatal error has happened, the error handler(VMError::report_and_die)
1289       // should abort JVM after creating an error log file. However in some
1290       // rare cases, the error handler itself might deadlock. Here we try to
1291       // kill JVM if the fatal error handler fails to abort in 2 minutes.
1292       //
1293       // This code is in WatcherThread because WatcherThread wakes up
1294       // periodically so the fatal error handler doesn't need to do anything;
1295       // also because the WatcherThread is less likely to crash than other
1296       // threads.
1297 
1298       for (;;) {
1299         if (!ShowMessageBoxOnError
1300             && (OnError == NULL || OnError[0] == '\0')
1301             && Arguments::abort_hook() == NULL) {
1302           os::sleep(this, ErrorLogTimeout * 1000, false); // in seconds
1303           fdStream err(defaultStream::output_fd());
1304           err.print_raw_cr("# [ timer expired, abort... ]");
1305           // skip atexit/vm_exit/vm_abort hooks
1306           os::die();
1307         }
1308 
1309         // Wake up 5 seconds later, the fatal handler may reset OnError or
1310         // ShowMessageBoxOnError when it is ready to abort.
1311         os::sleep(this, 5 * 1000, false);
1312       }
1313     }
1314 
1315     if (_should_terminate) {
1316       // check for termination before posting the next tick
1317       break;
1318     }
1319 
1320     PeriodicTask::real_time_tick(time_waited);
1321   }
1322 


src/share/vm/runtime/thread.cpp
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