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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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576 buffer[kBufferSize - 1] = '\0'; | 576 buffer[kBufferSize - 1] = '\0'; |
577 char* period_pos = strchr(buffer, '.'); | 577 char* period_pos = strchr(buffer, '.'); |
578 *period_pos = '\0'; | 578 *period_pos = '\0'; |
579 int kernel_version_major = | 579 int kernel_version_major = |
580 static_cast<int>(strtol(buffer, NULL, 10)); // NOLINT | 580 static_cast<int>(strtol(buffer, NULL, 10)); // NOLINT |
581 // The constants below are taken from pthreads.s from the XNU kernel | 581 // The constants below are taken from pthreads.s from the XNU kernel |
582 // sources archive at www.opensource.apple.com. | 582 // sources archive at www.opensource.apple.com. |
583 if (kernel_version_major < 11) { | 583 if (kernel_version_major < 11) { |
584 // 8.x.x (Tiger), 9.x.x (Leopard), 10.x.x (Snow Leopard) have the | 584 // 8.x.x (Tiger), 9.x.x (Leopard), 10.x.x (Snow Leopard) have the |
585 // same offsets. | 585 // same offsets. |
586 #if defined(V8_HOST_ARCH_IA32) | 586 #if V8_HOST_ARCH_IA32 |
587 kMacTlsBaseOffset = 0x48; | 587 kMacTlsBaseOffset = 0x48; |
588 #else | 588 #else |
589 kMacTlsBaseOffset = 0x60; | 589 kMacTlsBaseOffset = 0x60; |
590 #endif | 590 #endif |
591 } else { | 591 } else { |
592 // 11.x.x (Lion) changed the offset. | 592 // 11.x.x (Lion) changed the offset. |
593 kMacTlsBaseOffset = 0; | 593 kMacTlsBaseOffset = 0; |
594 } | 594 } |
595 | 595 |
596 Release_Store(&tls_base_offset_initialized, 1); | 596 Release_Store(&tls_base_offset_initialized, 1); |
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744 limit_mutex = CreateMutex(); | 744 limit_mutex = CreateMutex(); |
745 } | 745 } |
746 | 746 |
747 | 747 |
748 void OS::TearDown() { | 748 void OS::TearDown() { |
749 delete limit_mutex; | 749 delete limit_mutex; |
750 } | 750 } |
751 | 751 |
752 | 752 |
753 } } // namespace v8::internal | 753 } } // namespace v8::internal |
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