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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1370 options.stress_deopt = false; | 1370 options.stress_deopt = false; |
1371 } else if (strcmp(argv[i], "--shell") == 0) { | 1371 } else if (strcmp(argv[i], "--shell") == 0) { |
1372 options.interactive_shell = true; | 1372 options.interactive_shell = true; |
1373 argv[i] = NULL; | 1373 argv[i] = NULL; |
1374 } else if (strcmp(argv[i], "--test") == 0) { | 1374 } else if (strcmp(argv[i], "--test") == 0) { |
1375 options.test_shell = true; | 1375 options.test_shell = true; |
1376 argv[i] = NULL; | 1376 argv[i] = NULL; |
1377 } else if (strcmp(argv[i], "--send-idle-notification") == 0) { | 1377 } else if (strcmp(argv[i], "--send-idle-notification") == 0) { |
1378 options.send_idle_notification = true; | 1378 options.send_idle_notification = true; |
1379 argv[i] = NULL; | 1379 argv[i] = NULL; |
1380 } else if (strcmp(argv[i], "--preemption") == 0) { | |
1381 #ifdef V8_SHARED | |
1382 printf("D8 with shared library does not support multi-threading\n"); | |
1383 return false; | |
1384 #else | |
1385 options.use_preemption = true; | |
1386 argv[i] = NULL; | |
1387 #endif // V8_SHARED | |
1388 } else if (strcmp(argv[i], "--nopreemption") == 0) { | |
1389 #ifdef V8_SHARED | |
1390 printf("D8 with shared library does not support multi-threading\n"); | |
1391 return false; | |
1392 #else | |
1393 options.use_preemption = false; | |
1394 argv[i] = NULL; | |
1395 #endif // V8_SHARED | |
1396 } else if (strcmp(argv[i], "--preemption-interval") == 0) { | |
1397 #ifdef V8_SHARED | |
1398 printf("D8 with shared library does not support multi-threading\n"); | |
1399 return false; | |
1400 #else | |
1401 if (++i < argc) { | |
1402 argv[i-1] = NULL; | |
1403 char* end = NULL; | |
1404 options.preemption_interval = strtol(argv[i], &end, 10); // NOLINT | |
1405 if (options.preemption_interval <= 0 | |
1406 || *end != '\0' | |
1407 || errno == ERANGE) { | |
1408 printf("Invalid value for --preemption-interval '%s'\n", argv[i]); | |
1409 return false; | |
1410 } | |
1411 argv[i] = NULL; | |
1412 } else { | |
1413 printf("Missing value for --preemption-interval\n"); | |
1414 return false; | |
1415 } | |
1416 #endif // V8_SHARED | |
1417 } else if (strcmp(argv[i], "-f") == 0) { | 1380 } else if (strcmp(argv[i], "-f") == 0) { |
1418 // Ignore any -f flags for compatibility with other stand-alone | 1381 // Ignore any -f flags for compatibility with other stand-alone |
1419 // JavaScript engines. | 1382 // JavaScript engines. |
1420 continue; | 1383 continue; |
1421 } else if (strcmp(argv[i], "--isolate") == 0) { | 1384 } else if (strcmp(argv[i], "--isolate") == 0) { |
1422 #ifdef V8_SHARED | 1385 #ifdef V8_SHARED |
1423 printf("D8 with shared library does not support multi-threading\n"); | 1386 printf("D8 with shared library does not support multi-threading\n"); |
1424 return false; | 1387 return false; |
1425 #endif // V8_SHARED | 1388 #endif // V8_SHARED |
1426 options.num_isolates++; | 1389 options.num_isolates++; |
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1545 options.isolate_sources[0].Execute(isolate); | 1508 options.isolate_sources[0].Execute(isolate); |
1546 } | 1509 } |
1547 } | 1510 } |
1548 if (!options.last_run) { | 1511 if (!options.last_run) { |
1549 if (options.send_idle_notification) { | 1512 if (options.send_idle_notification) { |
1550 const int kLongIdlePauseInMs = 1000; | 1513 const int kLongIdlePauseInMs = 1000; |
1551 V8::ContextDisposedNotification(); | 1514 V8::ContextDisposedNotification(); |
1552 V8::IdleNotification(kLongIdlePauseInMs); | 1515 V8::IdleNotification(kLongIdlePauseInMs); |
1553 } | 1516 } |
1554 } | 1517 } |
1555 | |
1556 #ifndef V8_SHARED | |
1557 // Start preemption if threads have been created and preemption is enabled. | |
1558 if (threads.length() > 0 | |
1559 && options.use_preemption) { | |
1560 Locker::StartPreemption(isolate, options.preemption_interval); | |
1561 } | |
1562 #endif // V8_SHARED | |
1563 } | 1518 } |
1564 | 1519 |
1565 #ifndef V8_SHARED | 1520 #ifndef V8_SHARED |
1566 for (int i = 1; i < options.num_isolates; ++i) { | 1521 for (int i = 1; i < options.num_isolates; ++i) { |
1567 options.isolate_sources[i].WaitForThread(); | 1522 options.isolate_sources[i].WaitForThread(); |
1568 } | 1523 } |
1569 | 1524 |
1570 for (int i = 0; i < threads.length(); i++) { | 1525 for (int i = 0; i < threads.length(); i++) { |
1571 i::Thread* thread = threads[i]; | 1526 i::Thread* thread = threads[i]; |
1572 thread->Join(); | 1527 thread->Join(); |
1573 delete thread; | 1528 delete thread; |
1574 } | 1529 } |
1575 | |
1576 if (threads.length() > 0 && options.use_preemption) { | |
1577 Locker lock(isolate); | |
1578 Locker::StopPreemption(isolate); | |
1579 } | |
1580 #endif // V8_SHARED | 1530 #endif // V8_SHARED |
1581 return 0; | 1531 return 0; |
1582 } | 1532 } |
1583 | 1533 |
1584 | 1534 |
1585 #ifdef V8_SHARED | 1535 #ifdef V8_SHARED |
1586 static void SetStandaloneFlagsViaCommandLine() { | 1536 static void SetStandaloneFlagsViaCommandLine() { |
1587 int fake_argc = 2; | 1537 int fake_argc = 2; |
1588 char **fake_argv = new char*[2]; | 1538 char **fake_argv = new char*[2]; |
1589 fake_argv[0] = NULL; | 1539 fake_argv[0] = NULL; |
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1764 } | 1714 } |
1765 | 1715 |
1766 } // namespace v8 | 1716 } // namespace v8 |
1767 | 1717 |
1768 | 1718 |
1769 #ifndef GOOGLE3 | 1719 #ifndef GOOGLE3 |
1770 int main(int argc, char* argv[]) { | 1720 int main(int argc, char* argv[]) { |
1771 return v8::Shell::Main(argc, argv); | 1721 return v8::Shell::Main(argc, argv); |
1772 } | 1722 } |
1773 #endif | 1723 #endif |
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