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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 504 // Finally, compute the actual time. Why is this so hard. | 504 // Finally, compute the actual time. Why is this so hard. |
| 505 DWORD elapsed = ticks_now - init_ticks; | 505 DWORD elapsed = ticks_now - init_ticks; |
| 506 this->time_.t_ = init_time.t_ + (static_cast<int64_t>(elapsed) * 10000); | 506 this->time_.t_ = init_time.t_ + (static_cast<int64_t>(elapsed) * 10000); |
| 507 } | 507 } |
| 508 | 508 |
| 509 | 509 |
| 510 // Return the local timezone offset in milliseconds east of UTC. This | 510 // Return the local timezone offset in milliseconds east of UTC. This |
| 511 // takes into account whether daylight saving is in effect at the time. | 511 // takes into account whether daylight saving is in effect at the time. |
| 512 // Only times in the 32-bit Unix range may be passed to this function. | 512 // Only times in the 32-bit Unix range may be passed to this function. |
| 513 // Also, adding the time-zone offset to the input must not overflow. | 513 // Also, adding the time-zone offset to the input must not overflow. |
| 514 // The function EquivalentTime() in date-delay.js guarantees this. | 514 // The function EquivalentTime() in date.js guarantees this. |
| 515 int64_t Time::LocalOffset() { | 515 int64_t Time::LocalOffset() { |
| 516 // Initialize timezone information, if needed. | 516 // Initialize timezone information, if needed. |
| 517 TzSet(); | 517 TzSet(); |
| 518 | 518 |
| 519 Time rounded_to_second(*this); | 519 Time rounded_to_second(*this); |
| 520 rounded_to_second.t() = rounded_to_second.t() / 1000 / kTimeScaler * | 520 rounded_to_second.t() = rounded_to_second.t() / 1000 / kTimeScaler * |
| 521 1000 * kTimeScaler; | 521 1000 * kTimeScaler; |
| 522 // Convert to local time using POSIX localtime function. | 522 // Convert to local time using POSIX localtime function. |
| 523 // Windows XP Service Pack 3 made SystemTimeToTzSpecificLocalTime() | 523 // Windows XP Service Pack 3 made SystemTimeToTzSpecificLocalTime() |
| 524 // very slow. Other browsers use localtime(). | 524 // very slow. Other browsers use localtime(). |
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| 1900 | 1900 |
| 1901 // Release the thread handles | 1901 // Release the thread handles |
| 1902 CloseHandle(data_->sampler_thread_); | 1902 CloseHandle(data_->sampler_thread_); |
| 1903 CloseHandle(data_->profiled_thread_); | 1903 CloseHandle(data_->profiled_thread_); |
| 1904 } | 1904 } |
| 1905 | 1905 |
| 1906 | 1906 |
| 1907 #endif // ENABLE_LOGGING_AND_PROFILING | 1907 #endif // ENABLE_LOGGING_AND_PROFILING |
| 1908 | 1908 |
| 1909 } } // namespace v8::internal | 1909 } } // namespace v8::internal |
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